id sid tid token lemma pos american_scientific_journal-4591 1 1 56 56 NUM american_scientific_journal-4591 1 2 american american ADJ american_scientific_journal-4591 1 3 scientific scientific ADJ american_scientific_journal-4591 1 4 research research NOUN american_scientific_journal-4591 1 5 journal journal NOUN american_scientific_journal-4591 1 6 for for ADP american_scientific_journal-4591 1 7 engineering engineering NOUN american_scientific_journal-4591 1 8 , , PUNCT american_scientific_journal-4591 1 9 technology technology NOUN american_scientific_journal-4591 1 10 , , PUNCT american_scientific_journal-4591 1 11 and and CCONJ american_scientific_journal-4591 1 12 sciences science NOUN american_scientific_journal-4591 1 13 ( ( PUNCT american_scientific_journal-4591 1 14 asrjets asrjet NOUN american_scientific_journal-4591 1 15 ) ) PUNCT american_scientific_journal-4591 1 16 issn issn PROPN american_scientific_journal-4591 1 17 ( ( PUNCT american_scientific_journal-4591 1 18 print print NOUN american_scientific_journal-4591 1 19 ) ) PUNCT american_scientific_journal-4591 1 20 2313 2313 NUM american_scientific_journal-4591 1 21 - - SYM american_scientific_journal-4591 1 22 4410 4410 NUM american_scientific_journal-4591 1 23 , , PUNCT american_scientific_journal-4591 1 24 issn issn PROPN american_scientific_journal-4591 1 25 ( ( PUNCT american_scientific_journal-4591 1 26 online online ADJ american_scientific_journal-4591 1 27 ) ) PUNCT american_scientific_journal-4591 1 28 2313 2313 NUM american_scientific_journal-4591 1 29 - - SYM american_scientific_journal-4591 1 30 4402 4402 NUM american_scientific_journal-4591 1 31 Β© Β© PROPN american_scientific_journal-4591 1 32 global global ADJ american_scientific_journal-4591 1 33 society society NOUN american_scientific_journal-4591 1 34 of of ADP american_scientific_journal-4591 1 35 scientific scientific ADJ american_scientific_journal-4591 1 36 research research NOUN american_scientific_journal-4591 1 37 and and CCONJ american_scientific_journal-4591 1 38 researchers researcher NOUN american_scientific_journal-4591 1 39 http://asrjetsjournal.org/ http://asrjetsjournal.org/ PRON american_scientific_journal-4591 1 40 high high ADJ american_scientific_journal-4591 1 41 gain gain VERB american_scientific_journal-4591 1 42 uwb uwb NOUN american_scientific_journal-4591 1 43 antenna antenna NOUN american_scientific_journal-4591 1 44 element element NOUN american_scientific_journal-4591 1 45 design design NOUN american_scientific_journal-4591 1 46 for for ADP american_scientific_journal-4591 1 47 cognitive cognitive ADJ american_scientific_journal-4591 1 48 radio radio NOUN american_scientific_journal-4591 1 49 systems system NOUN american_scientific_journal-4591 1 50 using use VERB american_scientific_journal-4591 1 51 low low ADJ american_scientific_journal-4591 1 52 cost cost NOUN american_scientific_journal-4591 1 53 fr4 fr4 NOUN american_scientific_journal-4591 1 54 substrate substrate NOUN american_scientific_journal-4591 1 55 ahmed ahmed PROPN american_scientific_journal-4591 1 56 a. a. PROPN american_scientific_journal-4591 1 57 kabeela kabeela PROPN american_scientific_journal-4591 1 58 , , PUNCT american_scientific_journal-4591 1 59 amr amr PROPN american_scientific_journal-4591 1 60 h. h. PROPN american_scientific_journal-4591 1 61 husseinb husseinb PROPN american_scientific_journal-4591 1 62 * * PROPN american_scientific_journal-4591 1 63 , , PUNCT american_scientific_journal-4591 1 64 ashraf ashraf PROPN american_scientific_journal-4591 1 65 a. a. PROPN american_scientific_journal-4591 1 66 m. m. PROPN american_scientific_journal-4591 1 67 khalafc khalafc PROPN american_scientific_journal-4591 1 68 , , PUNCT american_scientific_journal-4591 1 69 hesham hesham PROPN american_scientific_journal-4591 1 70 f. f. PROPN american_scientific_journal-4591 1 71 a. a. PROPN american_scientific_journal-4591 1 72 hamedd hamedd PROPN american_scientific_journal-4591 1 73 aelectronics aelectronic NOUN american_scientific_journal-4591 1 74 and and CCONJ american_scientific_journal-4591 1 75 electrical electrical ADJ american_scientific_journal-4591 1 76 communications communication NOUN american_scientific_journal-4591 1 77 dept dept NOUN american_scientific_journal-4591 1 78 . . PROPN american_scientific_journal-4591 1 79 , , PUNCT american_scientific_journal-4591 1 80 high high PROPN american_scientific_journal-4591 1 81 institute institute PROPN american_scientific_journal-4591 1 82 of of ADP american_scientific_journal-4591 1 83 engineering engineering NOUN american_scientific_journal-4591 1 84 and and CCONJ american_scientific_journal-4591 1 85 technology technology NOUN american_scientific_journal-4591 1 86 , , PUNCT american_scientific_journal-4591 1 87 new new PROPN american_scientific_journal-4591 1 88 damietta damietta PROPN american_scientific_journal-4591 1 89 , , PUNCT american_scientific_journal-4591 1 90 egypt egypt PROPN american_scientific_journal-4591 1 91 belectronics belectronic NOUN american_scientific_journal-4591 1 92 and and CCONJ american_scientific_journal-4591 1 93 electrical electrical ADJ american_scientific_journal-4591 1 94 communications communication NOUN american_scientific_journal-4591 1 95 engineering engineering NOUN american_scientific_journal-4591 1 96 dept dept NOUN american_scientific_journal-4591 1 97 . . PROPN american_scientific_journal-4591 1 98 , , PUNCT american_scientific_journal-4591 1 99 faculty faculty NOUN american_scientific_journal-4591 1 100 of of ADP american_scientific_journal-4591 1 101 engineering engineering PROPN american_scientific_journal-4591 1 102 , , PUNCT american_scientific_journal-4591 1 103 tanta tanta PROPN american_scientific_journal-4591 1 104 university university PROPN american_scientific_journal-4591 1 105 , , PUNCT american_scientific_journal-4591 1 106 tanta tanta PROPN american_scientific_journal-4591 1 107 3111 3111 NUM american_scientific_journal-4591 1 108 , , PUNCT american_scientific_journal-4591 1 109 egypt egypt PROPN american_scientific_journal-4591 1 110 c c PROPN american_scientific_journal-4591 1 111 , , PUNCT american_scientific_journal-4591 1 112 delectronics delectronic NOUN american_scientific_journal-4591 1 113 and and CCONJ american_scientific_journal-4591 1 114 communications communication NOUN american_scientific_journal-4591 1 115 dept dept NOUN american_scientific_journal-4591 1 116 . . PROPN american_scientific_journal-4591 1 117 , , PUNCT american_scientific_journal-4591 1 118 faculty faculty NOUN american_scientific_journal-4591 1 119 of of ADP american_scientific_journal-4591 1 120 engineering engineering NOUN american_scientific_journal-4591 1 121 , , PUNCT american_scientific_journal-4591 1 122 minia minia NOUN american_scientific_journal-4591 1 123 university university NOUN american_scientific_journal-4591 1 124 , , PUNCT american_scientific_journal-4591 1 125 minia minia NOUN american_scientific_journal-4591 1 126 , , PUNCT american_scientific_journal-4591 1 127 egypt egypt PROPN american_scientific_journal-4591 1 128 aemail aemail NOUN american_scientific_journal-4591 1 129 : : PUNCT american_scientific_journal-4591 1 130 ahmede_kabeel@hotmail.com ahmede_kabeel@hotmail.com PROPN american_scientific_journal-4591 1 131 , , PUNCT american_scientific_journal-4591 1 132 bemail bemail NOUN american_scientific_journal-4591 1 133 : : PUNCT american_scientific_journal-4591 1 134 amrvips@yahoo.com amrvips@yahoo.com X american_scientific_journal-4591 1 135 cemail cemail NOUN american_scientific_journal-4591 1 136 : : PUNCT american_scientific_journal-4591 1 137 ashkhalaf@yahoo.com ashkhalaf@yahoo.com X american_scientific_journal-4591 1 138 , , PUNCT american_scientific_journal-4591 1 139 demail demail NOUN american_scientific_journal-4591 1 140 : : PUNCT american_scientific_journal-4591 1 141 hfah66@yahoo.com hfah66@yahoo.com X american_scientific_journal-4591 1 142 abstract abstract ADJ american_scientific_journal-4591 1 143 in in ADP american_scientific_journal-4591 1 144 cognitive cognitive ADJ american_scientific_journal-4591 1 145 radio radio NOUN american_scientific_journal-4591 1 146 ( ( PUNCT american_scientific_journal-4591 1 147 cr cr NOUN american_scientific_journal-4591 1 148 ) ) PUNCT american_scientific_journal-4591 1 149 and and CCONJ american_scientific_journal-4591 1 150 ultra ultra ADJ american_scientific_journal-4591 1 151 wideband wideband NOUN american_scientific_journal-4591 1 152 ( ( PUNCT american_scientific_journal-4591 1 153 uwb uwb PROPN american_scientific_journal-4591 1 154 ) ) PUNCT american_scientific_journal-4591 1 155 communication communication NOUN american_scientific_journal-4591 1 156 systems system NOUN american_scientific_journal-4591 1 157 , , PUNCT american_scientific_journal-4591 1 158 one one NUM american_scientific_journal-4591 1 159 of of ADP american_scientific_journal-4591 1 160 the the DET american_scientific_journal-4591 1 161 keys key NOUN american_scientific_journal-4591 1 162 issues issue NOUN american_scientific_journal-4591 1 163 is be AUX american_scientific_journal-4591 1 164 designing design VERB american_scientific_journal-4591 1 165 a a DET american_scientific_journal-4591 1 166 compact compact ADJ american_scientific_journal-4591 1 167 antenna antenna NOUN american_scientific_journal-4591 1 168 while while SCONJ american_scientific_journal-4591 1 169 providing provide VERB american_scientific_journal-4591 1 170 wideband wideband NOUN american_scientific_journal-4591 1 171 characteristic characteristic ADJ american_scientific_journal-4591 1 172 over over ADP american_scientific_journal-4591 1 173 the the DET american_scientific_journal-4591 1 174 entire entire ADJ american_scientific_journal-4591 1 175 operating operating NOUN american_scientific_journal-4591 1 176 band band NOUN american_scientific_journal-4591 1 177 . . PUNCT american_scientific_journal-4591 2 1 in in ADP american_scientific_journal-4591 2 2 these these DET american_scientific_journal-4591 2 3 systems system NOUN american_scientific_journal-4591 2 4 , , PUNCT american_scientific_journal-4591 2 5 printed print VERB american_scientific_journal-4591 2 6 wide wide ADJ american_scientific_journal-4591 2 7 slot slot NOUN american_scientific_journal-4591 2 8 antennas antenna NOUN american_scientific_journal-4591 2 9 have have AUX american_scientific_journal-4591 2 10 received receive VERB american_scientific_journal-4591 2 11 much much ADJ american_scientific_journal-4591 2 12 attention attention NOUN american_scientific_journal-4591 2 13 owing owe VERB american_scientific_journal-4591 2 14 to to ADP american_scientific_journal-4591 2 15 their their PRON american_scientific_journal-4591 2 16 wideband wideband NOUN american_scientific_journal-4591 2 17 matching matching NOUN american_scientific_journal-4591 2 18 characteristics characteristic NOUN american_scientific_journal-4591 2 19 and and CCONJ american_scientific_journal-4591 2 20 omnidirectional omnidirectional ADJ american_scientific_journal-4591 2 21 radiation radiation NOUN american_scientific_journal-4591 2 22 patterns pattern NOUN american_scientific_journal-4591 2 23 . . PUNCT american_scientific_journal-4591 3 1 in in ADP american_scientific_journal-4591 3 2 addition addition NOUN american_scientific_journal-4591 3 3 they they PRON american_scientific_journal-4591 3 4 present present VERB american_scientific_journal-4591 3 5 really really ADV american_scientific_journal-4591 3 6 appealing appeal VERB american_scientific_journal-4591 3 7 physical physical ADJ american_scientific_journal-4591 3 8 features feature NOUN american_scientific_journal-4591 3 9 , , PUNCT american_scientific_journal-4591 3 10 such such ADJ american_scientific_journal-4591 3 11 as as ADP american_scientific_journal-4591 3 12 simple simple ADJ american_scientific_journal-4591 3 13 structure structure NOUN american_scientific_journal-4591 3 14 , , PUNCT american_scientific_journal-4591 3 15 small small ADJ american_scientific_journal-4591 3 16 size size NOUN american_scientific_journal-4591 3 17 and and CCONJ american_scientific_journal-4591 3 18 low low ADJ american_scientific_journal-4591 3 19 cost cost NOUN american_scientific_journal-4591 3 20 . . PUNCT american_scientific_journal-4591 4 1 in in ADP american_scientific_journal-4591 4 2 this this DET american_scientific_journal-4591 4 3 paper paper NOUN american_scientific_journal-4591 4 4 , , PUNCT american_scientific_journal-4591 4 5 a a DET american_scientific_journal-4591 4 6 small small ADJ american_scientific_journal-4591 4 7 antenna antenna NOUN american_scientific_journal-4591 4 8 with with ADP american_scientific_journal-4591 4 9 circular circular ADJ american_scientific_journal-4591 4 10 radiating radiating NOUN american_scientific_journal-4591 4 11 patch patch NOUN american_scientific_journal-4591 4 12 and and CCONJ american_scientific_journal-4591 4 13 defected defect VERB american_scientific_journal-4591 4 14 ground ground NOUN american_scientific_journal-4591 4 15 structure structure NOUN american_scientific_journal-4591 4 16 for for ADP american_scientific_journal-4591 4 17 uwb uwb NOUN american_scientific_journal-4591 4 18 applications application NOUN american_scientific_journal-4591 4 19 is be AUX american_scientific_journal-4591 4 20 proposed propose VERB american_scientific_journal-4591 4 21 . . PUNCT american_scientific_journal-4591 5 1 the the DET american_scientific_journal-4591 5 2 proposed propose VERB american_scientific_journal-4591 5 3 antenna antenna NOUN american_scientific_journal-4591 5 4 provides provide VERB american_scientific_journal-4591 5 5 a a DET american_scientific_journal-4591 5 6 wideband wideband NOUN american_scientific_journal-4591 5 7 frequency frequency NOUN american_scientific_journal-4591 5 8 range range NOUN american_scientific_journal-4591 5 9 from from ADP american_scientific_journal-4591 5 10 1.17 1.17 NUM american_scientific_journal-4591 5 11 ghz ghz NOUN american_scientific_journal-4591 5 12 to to ADP american_scientific_journal-4591 5 13 more more ADJ american_scientific_journal-4591 5 14 than than ADP american_scientific_journal-4591 5 15 12 12 NUM american_scientific_journal-4591 5 16 ghz ghz NOUN american_scientific_journal-4591 5 17 . . PUNCT american_scientific_journal-4591 6 1 but but CCONJ american_scientific_journal-4591 6 2 , , PUNCT american_scientific_journal-4591 6 3 its its PRON american_scientific_journal-4591 6 4 maximum maximum ADJ american_scientific_journal-4591 6 5 allowable allowable ADJ american_scientific_journal-4591 6 6 gain gain NOUN american_scientific_journal-4591 6 7 is be AUX american_scientific_journal-4591 6 8 low low ADJ american_scientific_journal-4591 6 9 and and CCONJ american_scientific_journal-4591 6 10 equals equal VERB american_scientific_journal-4591 6 11 2.78 2.78 NUM american_scientific_journal-4591 6 12 𝑑𝑑𝑑𝑑𝑑𝑑. 𝑑𝑑𝑑𝑑𝑑𝑑. NOUN american_scientific_journal-4591 6 13 in in ADP american_scientific_journal-4591 6 14 order order NOUN american_scientific_journal-4591 6 15 to to PART american_scientific_journal-4591 6 16 increase increase VERB american_scientific_journal-4591 6 17 the the DET american_scientific_journal-4591 6 18 antenna antenna NOUN american_scientific_journal-4591 6 19 gain gain NOUN american_scientific_journal-4591 6 20 while while SCONJ american_scientific_journal-4591 6 21 maintaining maintain VERB american_scientific_journal-4591 6 22 the the DET american_scientific_journal-4591 6 23 same same ADJ american_scientific_journal-4591 6 24 impedance impedance NOUN american_scientific_journal-4591 6 25 matching matching NOUN american_scientific_journal-4591 6 26 characteristics characteristic NOUN american_scientific_journal-4591 6 27 , , PUNCT american_scientific_journal-4591 6 28 a a DET american_scientific_journal-4591 6 29 plane plane NOUN american_scientific_journal-4591 6 30 reflector reflector NOUN american_scientific_journal-4591 6 31 is be AUX american_scientific_journal-4591 6 32 placed place VERB american_scientific_journal-4591 6 33 beneath beneath ADP american_scientific_journal-4591 6 34 the the DET american_scientific_journal-4591 6 35 antenna antenna NOUN american_scientific_journal-4591 6 36 at at ADP american_scientific_journal-4591 6 37 a a DET american_scientific_journal-4591 6 38 specific specific ADJ american_scientific_journal-4591 6 39 distance distance NOUN american_scientific_journal-4591 6 40 𝑑𝑑. 𝑑𝑑. NOUN american_scientific_journal-4591 6 41 the the DET american_scientific_journal-4591 6 42 plane plane NOUN american_scientific_journal-4591 6 43 reflector reflector NOUN american_scientific_journal-4591 6 44 reflects reflect VERB american_scientific_journal-4591 6 45 the the DET american_scientific_journal-4591 6 46 backward backward ADJ american_scientific_journal-4591 6 47 radiated radiate VERB american_scientific_journal-4591 6 48 power power NOUN american_scientific_journal-4591 6 49 again again ADV american_scientific_journal-4591 6 50 towards towards ADP american_scientific_journal-4591 6 51 the the DET american_scientific_journal-4591 6 52 antenna antenna NOUN american_scientific_journal-4591 6 53 to to PART american_scientific_journal-4591 6 54 be be AUX american_scientific_journal-4591 6 55 constructively constructively ADV american_scientific_journal-4591 6 56 added add VERB american_scientific_journal-4591 6 57 to to ADP american_scientific_journal-4591 6 58 the the DET american_scientific_journal-4591 6 59 forward forward ADV american_scientific_journal-4591 6 60 radiated radiate VERB american_scientific_journal-4591 6 61 power power NOUN american_scientific_journal-4591 6 62 . . PUNCT american_scientific_journal-4591 7 1 in in ADP american_scientific_journal-4591 7 2 this this DET american_scientific_journal-4591 7 3 case case NOUN american_scientific_journal-4591 7 4 , , PUNCT american_scientific_journal-4591 7 5 the the DET american_scientific_journal-4591 7 6 modified modify VERB american_scientific_journal-4591 7 7 antenna antenna NOUN american_scientific_journal-4591 7 8 radiated radiate VERB american_scientific_journal-4591 7 9 power power NOUN american_scientific_journal-4591 7 10 is be AUX american_scientific_journal-4591 7 11 significantly significantly ADV american_scientific_journal-4591 7 12 increased increase VERB american_scientific_journal-4591 7 13 and and CCONJ american_scientific_journal-4591 7 14 the the DET american_scientific_journal-4591 7 15 maximum maximum ADJ american_scientific_journal-4591 7 16 allowable allowable ADJ american_scientific_journal-4591 7 17 antenna antenna NOUN american_scientific_journal-4591 7 18 gain gain NOUN american_scientific_journal-4591 7 19 is be AUX american_scientific_journal-4591 7 20 also also ADV american_scientific_journal-4591 7 21 increased increase VERB american_scientific_journal-4591 7 22 up up ADP american_scientific_journal-4591 7 23 to to ADP american_scientific_journal-4591 7 24 7.67 7.67 NUM american_scientific_journal-4591 7 25 𝑑𝑑𝑑𝑑𝑑𝑑 𝑑𝑑𝑑𝑑𝑑𝑑 NOUN american_scientific_journal-4591 7 26 which which PRON american_scientific_journal-4591 7 27 is be AUX american_scientific_journal-4591 7 28 2.75 2.75 NUM american_scientific_journal-4591 7 29 times time NOUN american_scientific_journal-4591 7 30 greater great ADJ american_scientific_journal-4591 7 31 than than ADP american_scientific_journal-4591 7 32 the the DET american_scientific_journal-4591 7 33 gain gain NOUN american_scientific_journal-4591 7 34 of of ADP american_scientific_journal-4591 7 35 the the DET american_scientific_journal-4591 7 36 antenna antenna NOUN american_scientific_journal-4591 7 37 without without ADP american_scientific_journal-4591 7 38 reflector reflector NOUN american_scientific_journal-4591 7 39 . . PUNCT american_scientific_journal-4591 8 1 in in ADP american_scientific_journal-4591 8 2 addition addition NOUN american_scientific_journal-4591 8 3 , , PUNCT american_scientific_journal-4591 8 4 the the DET american_scientific_journal-4591 8 5 modified modify VERB american_scientific_journal-4591 8 6 antenna antenna NOUN american_scientific_journal-4591 8 7 exhibits exhibit VERB american_scientific_journal-4591 8 8 51 51 NUM american_scientific_journal-4591 8 9 % % NOUN american_scientific_journal-4591 8 10 to to PART american_scientific_journal-4591 8 11 95 95 NUM american_scientific_journal-4591 8 12 % % NOUN american_scientific_journal-4591 8 13 radiation radiation NOUN american_scientific_journal-4591 8 14 efficiency efficiency NOUN american_scientific_journal-4591 8 15 over over ADP american_scientific_journal-4591 8 16 the the DET american_scientific_journal-4591 8 17 operating operate VERB american_scientific_journal-4591 8 18 frequency frequency NOUN american_scientific_journal-4591 8 19 range range NOUN american_scientific_journal-4591 8 20 . . PUNCT american_scientific_journal-4591 9 1 good good ADJ american_scientific_journal-4591 9 2 return return NOUN american_scientific_journal-4591 9 3 loss loss NOUN american_scientific_journal-4591 9 4 and and CCONJ american_scientific_journal-4591 9 5 radiation radiation NOUN american_scientific_journal-4591 9 6 pattern pattern NOUN american_scientific_journal-4591 9 7 characteristics characteristic NOUN american_scientific_journal-4591 9 8 are be AUX american_scientific_journal-4591 9 9 obtained obtain VERB american_scientific_journal-4591 9 10 in in ADP american_scientific_journal-4591 9 11 the the DET american_scientific_journal-4591 9 12 frequency frequency NOUN american_scientific_journal-4591 9 13 band band NOUN american_scientific_journal-4591 9 14 of of ADP american_scientific_journal-4591 9 15 interest interest NOUN american_scientific_journal-4591 9 16 . . PUNCT american_scientific_journal-4591 10 1 the the DET american_scientific_journal-4591 10 2 antenna antenna NOUN american_scientific_journal-4591 10 3 is be AUX american_scientific_journal-4591 10 4 designed design VERB american_scientific_journal-4591 10 5 using use VERB american_scientific_journal-4591 10 6 the the DET american_scientific_journal-4591 10 7 cst cst PROPN american_scientific_journal-4591 10 8 microwave microwave PROPN american_scientific_journal-4591 10 9 studio studio PROPN american_scientific_journal-4591 10 10 software software NOUN american_scientific_journal-4591 10 11 using use VERB american_scientific_journal-4591 10 12 low low ADJ american_scientific_journal-4591 10 13 cost cost NOUN american_scientific_journal-4591 10 14 fr4 fr4 NOUN american_scientific_journal-4591 10 15 ( ( PUNCT american_scientific_journal-4591 10 16 lossy lossy ADJ american_scientific_journal-4591 10 17 ) ) PUNCT american_scientific_journal-4591 10 18 substrate substrate NOUN american_scientific_journal-4591 10 19 with with ADP american_scientific_journal-4591 10 20 πœ€πœ€π‘Ÿπ‘Ÿ πœ€πœ€π‘Ÿπ‘Ÿ NOUN american_scientific_journal-4591 10 21 = = SYM american_scientific_journal-4591 10 22 4.3 4.3 NUM american_scientific_journal-4591 10 23 and and CCONJ american_scientific_journal-4591 10 24 β„Ž β„Ž X american_scientific_journal-4591 10 25 = = SYM american_scientific_journal-4591 10 26 1.6 1.6 NUM american_scientific_journal-4591 10 27 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 10 28 . . PUNCT american_scientific_journal-4591 11 1 simulated simulated ADJ american_scientific_journal-4591 11 2 and and CCONJ american_scientific_journal-4591 11 3 experimental experimental ADJ american_scientific_journal-4591 11 4 results result NOUN american_scientific_journal-4591 11 5 are be AUX american_scientific_journal-4591 11 6 presented present VERB american_scientific_journal-4591 11 7 to to PART american_scientific_journal-4591 11 8 demonstrate demonstrate VERB american_scientific_journal-4591 11 9 the the DET american_scientific_journal-4591 11 10 effective effective ADJ american_scientific_journal-4591 11 11 performance performance NOUN american_scientific_journal-4591 11 12 of of ADP american_scientific_journal-4591 11 13 the the DET american_scientific_journal-4591 11 14 proposed propose VERB american_scientific_journal-4591 11 15 antenna antenna NOUN american_scientific_journal-4591 11 16 . . PUNCT american_scientific_journal-4591 12 1 ----------------------------------------------------------------------- ----------------------------------------------------------------------- PUNCT american_scientific_journal-4591 13 1 * * PUNCT american_scientific_journal-4591 13 2 corresponding correspond VERB american_scientific_journal-4591 13 3 author author NOUN american_scientific_journal-4591 13 4 . . PUNCT american_scientific_journal-4591 14 1 http://asrjetsjournal.org/ http://asrjetsjournal.org/ PROPN american_scientific_journal-4591 14 2 mailto:email:%20nouraa.magdy@gmail.com mailto:email:%20nouraa.magdy@gmail.com NOUN american_scientific_journal-4591 14 3 american american PROPN american_scientific_journal-4591 14 4 scientific scientific ADJ american_scientific_journal-4591 14 5 research research PROPN american_scientific_journal-4591 14 6 journal journal NOUN american_scientific_journal-4591 14 7 for for ADP american_scientific_journal-4591 14 8 engineering engineering NOUN american_scientific_journal-4591 14 9 , , PUNCT american_scientific_journal-4591 14 10 technology technology NOUN american_scientific_journal-4591 14 11 , , PUNCT american_scientific_journal-4591 14 12 and and CCONJ american_scientific_journal-4591 14 13 sciences science NOUN american_scientific_journal-4591 14 14 ( ( PUNCT american_scientific_journal-4591 14 15 asrjets asrjet NOUN american_scientific_journal-4591 14 16 ) ) PUNCT american_scientific_journal-4591 14 17 ( ( PUNCT american_scientific_journal-4591 14 18 2019 2019 NUM american_scientific_journal-4591 14 19 ) ) PUNCT american_scientific_journal-4591 14 20 volume volume NOUN american_scientific_journal-4591 14 21 51 51 NUM american_scientific_journal-4591 14 22 , , PUNCT american_scientific_journal-4591 14 23 no no DET american_scientific_journal-4591 14 24 1 1 NUM american_scientific_journal-4591 14 25 , , PUNCT american_scientific_journal-4591 14 26 pp pp ADV american_scientific_journal-4591 14 27 56 56 NUM american_scientific_journal-4591 14 28 - - SYM american_scientific_journal-4591 14 29 65 65 NUM american_scientific_journal-4591 14 30 57 57 NUM american_scientific_journal-4591 14 31 keywords keyword NOUN american_scientific_journal-4591 14 32 : : PUNCT american_scientific_journal-4591 14 33 microstrip microstrip NOUN american_scientific_journal-4591 14 34 antenna antenna NOUN american_scientific_journal-4591 14 35 ; ; PUNCT american_scientific_journal-4591 14 36 ultra ultra ADJ american_scientific_journal-4591 14 37 wide wide ADJ american_scientific_journal-4591 14 38 band band NOUN american_scientific_journal-4591 14 39 antenna antenna NOUN american_scientific_journal-4591 14 40 ( ( PUNCT american_scientific_journal-4591 14 41 uwba uwba NOUN american_scientific_journal-4591 14 42 ) ) PUNCT american_scientific_journal-4591 14 43 ; ; PUNCT american_scientific_journal-4591 14 44 cognitive cognitive ADJ american_scientific_journal-4591 14 45 radio radio NOUN american_scientific_journal-4591 14 46 ( ( PUNCT american_scientific_journal-4591 14 47 cr cr NOUN american_scientific_journal-4591 14 48 ) ) PUNCT american_scientific_journal-4591 14 49 . . PUNCT american_scientific_journal-4591 15 1 1 1 X american_scientific_journal-4591 15 2 . . X american_scientific_journal-4591 15 3 introduction introduction NOUN american_scientific_journal-4591 15 4 recently recently ADV american_scientific_journal-4591 15 5 , , PUNCT american_scientific_journal-4591 15 6 the the DET american_scientific_journal-4591 15 7 ultra ultra ADJ american_scientific_journal-4591 15 8 wide wide ADJ american_scientific_journal-4591 15 9 band band NOUN american_scientific_journal-4591 15 10 ( ( PUNCT american_scientific_journal-4591 15 11 uwb uwb NOUN american_scientific_journal-4591 15 12 ) ) PUNCT american_scientific_journal-4591 15 13 wireless wireless ADJ american_scientific_journal-4591 15 14 technology technology NOUN american_scientific_journal-4591 15 15 is be AUX american_scientific_journal-4591 15 16 one one NUM american_scientific_journal-4591 15 17 of of ADP american_scientific_journal-4591 15 18 the the DET american_scientific_journal-4591 15 19 most most ADV american_scientific_journal-4591 15 20 effective effective ADJ american_scientific_journal-4591 15 21 and and CCONJ american_scientific_journal-4591 15 22 flexible flexible ADJ american_scientific_journal-4591 15 23 solutions solution NOUN american_scientific_journal-4591 15 24 for for ADP american_scientific_journal-4591 15 25 future future ADJ american_scientific_journal-4591 15 26 communications communication NOUN american_scientific_journal-4591 15 27 issues issue NOUN american_scientific_journal-4591 15 28 , , PUNCT american_scientific_journal-4591 15 29 because because SCONJ american_scientific_journal-4591 15 30 it it PRON american_scientific_journal-4591 15 31 provides provide VERB american_scientific_journal-4591 15 32 high high ADJ american_scientific_journal-4591 15 33 data datum NOUN american_scientific_journal-4591 15 34 rate rate NOUN american_scientific_journal-4591 15 35 and and CCONJ american_scientific_journal-4591 15 36 excellent excellent ADJ american_scientific_journal-4591 15 37 immunity immunity NOUN american_scientific_journal-4591 15 38 to to ADP american_scientific_journal-4591 15 39 multi multi ADJ american_scientific_journal-4591 15 40 - - ADJ american_scientific_journal-4591 15 41 path path ADJ american_scientific_journal-4591 15 42 interferences interference NOUN american_scientific_journal-4591 15 43 . . PUNCT american_scientific_journal-4591 16 1 the the DET american_scientific_journal-4591 16 2 federal federal ADJ american_scientific_journal-4591 16 3 communication communication PROPN american_scientific_journal-4591 16 4 commission commission PROPN american_scientific_journal-4591 16 5 ( ( PUNCT american_scientific_journal-4591 16 6 ffc ffc PROPN american_scientific_journal-4591 16 7 ) ) PUNCT american_scientific_journal-4591 16 8 has have AUX american_scientific_journal-4591 16 9 arranged arrange VERB american_scientific_journal-4591 16 10 the the DET american_scientific_journal-4591 16 11 use use NOUN american_scientific_journal-4591 16 12 of of ADP american_scientific_journal-4591 16 13 3.1 3.1 NUM american_scientific_journal-4591 16 14 𝐺𝐺𝐺𝐺𝐺𝐺 𝐺𝐺𝐺𝐺𝐺𝐺 PROPN american_scientific_journal-4591 16 15 to to ADP american_scientific_journal-4591 16 16 10.6 10.6 NUM american_scientific_journal-4591 16 17 𝐺𝐺𝐺𝐺𝐺𝐺 𝐺𝐺𝐺𝐺𝐺𝐺 PROPN american_scientific_journal-4591 16 18 frequency frequency NOUN american_scientific_journal-4591 16 19 band band NOUN american_scientific_journal-4591 16 20 for for ADP american_scientific_journal-4591 16 21 ultra ultra ADJ american_scientific_journal-4591 16 22 wide wide ADJ american_scientific_journal-4591 16 23 band band NOUN american_scientific_journal-4591 16 24 communications communication NOUN american_scientific_journal-4591 16 25 [ [ X american_scientific_journal-4591 16 26 1 1 NUM american_scientific_journal-4591 16 27 ] ] PUNCT american_scientific_journal-4591 16 28 . . PUNCT american_scientific_journal-4591 17 1 the the DET american_scientific_journal-4591 17 2 uwb uwb PROPN american_scientific_journal-4591 17 3 antennas antenna NOUN american_scientific_journal-4591 17 4 are be AUX american_scientific_journal-4591 17 5 widely widely ADV american_scientific_journal-4591 17 6 used use VERB american_scientific_journal-4591 17 7 in in ADP american_scientific_journal-4591 17 8 several several ADJ american_scientific_journal-4591 17 9 application application NOUN american_scientific_journal-4591 17 10 such such ADJ american_scientific_journal-4591 17 11 as as ADP american_scientific_journal-4591 17 12 high high ADJ american_scientific_journal-4591 17 13 data datum NOUN american_scientific_journal-4591 17 14 rate rate NOUN american_scientific_journal-4591 17 15 personal personal ADJ american_scientific_journal-4591 17 16 area area NOUN american_scientific_journal-4591 17 17 network network NOUN american_scientific_journal-4591 17 18 , , PUNCT american_scientific_journal-4591 17 19 cognitive cognitive ADJ american_scientific_journal-4591 17 20 radio radio NOUN american_scientific_journal-4591 17 21 systems system NOUN american_scientific_journal-4591 17 22 , , PUNCT american_scientific_journal-4591 17 23 medical medical ADJ american_scientific_journal-4591 17 24 and and CCONJ american_scientific_journal-4591 17 25 radar radar NOUN american_scientific_journal-4591 17 26 imaging imaging NOUN american_scientific_journal-4591 17 27 . . PUNCT american_scientific_journal-4591 18 1 hence hence ADV american_scientific_journal-4591 18 2 , , PUNCT american_scientific_journal-4591 18 3 the the DET american_scientific_journal-4591 18 4 most most ADV american_scientific_journal-4591 18 5 common common ADJ american_scientific_journal-4591 18 6 problems problem NOUN american_scientific_journal-4591 18 7 that that PRON american_scientific_journal-4591 18 8 obstructs obstruct VERB american_scientific_journal-4591 18 9 while while SCONJ american_scientific_journal-4591 18 10 designing design VERB american_scientific_journal-4591 18 11 uwb uwb NOUN american_scientific_journal-4591 18 12 antennas antenna NOUN american_scientific_journal-4591 18 13 is be AUX american_scientific_journal-4591 18 14 to to PART american_scientific_journal-4591 18 15 achieve achieve VERB american_scientific_journal-4591 18 16 good good ADJ american_scientific_journal-4591 18 17 gainbandwidth gainbandwidth NOUN american_scientific_journal-4591 18 18 characteristic characteristic ADJ american_scientific_journal-4591 18 19 with with ADP american_scientific_journal-4591 18 20 reduced reduced ADJ american_scientific_journal-4591 18 21 size size NOUN american_scientific_journal-4591 18 22 and and CCONJ american_scientific_journal-4591 18 23 cost cost NOUN american_scientific_journal-4591 18 24 . . PUNCT american_scientific_journal-4591 19 1 several several ADJ american_scientific_journal-4591 19 2 broadband broadband NOUN american_scientific_journal-4591 19 3 antenna antenna NOUN american_scientific_journal-4591 19 4 designs design NOUN american_scientific_journal-4591 19 5 have have AUX american_scientific_journal-4591 19 6 been be AUX american_scientific_journal-4591 19 7 recently recently ADV american_scientific_journal-4591 19 8 developed develop VERB american_scientific_journal-4591 19 9 [ [ PUNCT american_scientific_journal-4591 19 10 2 2 NUM american_scientific_journal-4591 19 11 - - SYM american_scientific_journal-4591 19 12 5 5 NUM american_scientific_journal-4591 19 13 ] ] PUNCT american_scientific_journal-4591 19 14 . . PUNCT american_scientific_journal-4591 20 1 a a DET american_scientific_journal-4591 20 2 new new ADJ american_scientific_journal-4591 20 3 design design NOUN american_scientific_journal-4591 20 4 for for ADP american_scientific_journal-4591 20 5 uwb uwb NOUN american_scientific_journal-4591 20 6 antenna antenna NOUN american_scientific_journal-4591 20 7 with with ADP american_scientific_journal-4591 20 8 a a DET american_scientific_journal-4591 20 9 promising promising ADJ american_scientific_journal-4591 20 10 result result NOUN american_scientific_journal-4591 20 11 has have AUX american_scientific_journal-4591 20 12 been be AUX american_scientific_journal-4591 20 13 introduced introduce VERB american_scientific_journal-4591 20 14 in in ADP american_scientific_journal-4591 20 15 [ [ X american_scientific_journal-4591 20 16 6 6 NUM american_scientific_journal-4591 20 17 ] ] PUNCT american_scientific_journal-4591 20 18 . . PUNCT american_scientific_journal-4591 21 1 it it PRON american_scientific_journal-4591 21 2 exhibits exhibit VERB american_scientific_journal-4591 21 3 a a DET american_scientific_journal-4591 21 4 gain gain NOUN american_scientific_journal-4591 21 5 with with ADP american_scientific_journal-4591 21 6 maximum maximum ADJ american_scientific_journal-4591 21 7 value value NOUN american_scientific_journal-4591 21 8 of of ADP american_scientific_journal-4591 21 9 8 8 NUM american_scientific_journal-4591 21 10 𝑑𝑑𝑑𝑑𝑑𝑑 𝑑𝑑𝑑𝑑𝑑𝑑 ADJ american_scientific_journal-4591 21 11 and and CCONJ american_scientific_journal-4591 21 12 broad broad ADJ american_scientific_journal-4591 21 13 band band NOUN american_scientific_journal-4591 21 14 with with ADP american_scientific_journal-4591 21 15 percentage percentage NOUN american_scientific_journal-4591 21 16 bandwidth bandwidth NOUN american_scientific_journal-4591 21 17 of of ADP american_scientific_journal-4591 21 18 154 154 NUM american_scientific_journal-4591 21 19 % % NOUN american_scientific_journal-4591 21 20 . . PUNCT american_scientific_journal-4591 22 1 the the DET american_scientific_journal-4591 22 2 paper paper NOUN american_scientific_journal-4591 22 3 introduced introduce VERB american_scientific_journal-4591 22 4 a a DET american_scientific_journal-4591 22 5 simple simple ADJ american_scientific_journal-4591 22 6 monopole monopole ADJ american_scientific_journal-4591 22 7 antenna antenna NOUN american_scientific_journal-4591 22 8 with with ADP american_scientific_journal-4591 22 9 circular circular ADJ american_scientific_journal-4591 22 10 ring ring NOUN american_scientific_journal-4591 22 11 patch patch NOUN american_scientific_journal-4591 22 12 on on ADP american_scientific_journal-4591 22 13 a a DET american_scientific_journal-4591 22 14 glass glass NOUN american_scientific_journal-4591 22 15 epoxy epoxy NOUN american_scientific_journal-4591 22 16 ( ( PUNCT american_scientific_journal-4591 22 17 fr4 fr4 NOUN american_scientific_journal-4591 22 18 ) ) PUNCT american_scientific_journal-4591 22 19 substrate substrate NOUN american_scientific_journal-4591 22 20 . . PUNCT american_scientific_journal-4591 23 1 a a DET american_scientific_journal-4591 23 2 hexagonal hexagonal ADJ american_scientific_journal-4591 23 3 shaped shape VERB american_scientific_journal-4591 23 4 ground ground NOUN american_scientific_journal-4591 23 5 plane plane NOUN american_scientific_journal-4591 23 6 is be AUX american_scientific_journal-4591 23 7 utilized utilize VERB american_scientific_journal-4591 23 8 . . PUNCT american_scientific_journal-4591 24 1 the the DET american_scientific_journal-4591 24 2 radiating radiate VERB american_scientific_journal-4591 24 3 patch patch NOUN american_scientific_journal-4591 24 4 is be AUX american_scientific_journal-4591 24 5 fed feed VERB american_scientific_journal-4591 24 6 using use VERB american_scientific_journal-4591 24 7 microstrip microstrip NOUN american_scientific_journal-4591 24 8 line line NOUN american_scientific_journal-4591 24 9 . . PUNCT american_scientific_journal-4591 25 1 this this DET american_scientific_journal-4591 25 2 monopole monopole ADJ american_scientific_journal-4591 25 3 antenna antenna NOUN american_scientific_journal-4591 25 4 can can AUX american_scientific_journal-4591 25 5 radiate radiate VERB american_scientific_journal-4591 25 6 at at ADP american_scientific_journal-4591 25 7 the the DET american_scientific_journal-4591 25 8 frequency frequency NOUN american_scientific_journal-4591 25 9 ranges range VERB american_scientific_journal-4591 25 10 1.94 1.94 NUM american_scientific_journal-4591 25 11 ghz ghz NOUN american_scientific_journal-4591 25 12 to to ADP american_scientific_journal-4591 25 13 13.84 13.84 NUM american_scientific_journal-4591 25 14 ghz ghz NOUN american_scientific_journal-4591 25 15 and and CCONJ american_scientific_journal-4591 25 16 1.82 1.82 NUM american_scientific_journal-4591 25 17 ghz ghz NOUN american_scientific_journal-4591 25 18 to to ADP american_scientific_journal-4591 25 19 12.25 12.25 NUM american_scientific_journal-4591 25 20 ghz ghz NOUN american_scientific_journal-4591 25 21 , , PUNCT american_scientific_journal-4591 25 22 respectively respectively ADV american_scientific_journal-4591 25 23 [ [ X american_scientific_journal-4591 25 24 6 6 NUM american_scientific_journal-4591 25 25 ] ] PUNCT american_scientific_journal-4591 25 26 . . PUNCT american_scientific_journal-4591 26 1 also also ADV american_scientific_journal-4591 26 2 a a DET american_scientific_journal-4591 26 3 reconfigurable reconfigurable ADJ american_scientific_journal-4591 26 4 uwb uwb NOUN american_scientific_journal-4591 26 5 antenna antenna NOUN american_scientific_journal-4591 26 6 with with ADP american_scientific_journal-4591 26 7 defected defect VERB american_scientific_journal-4591 26 8 ground ground NOUN american_scientific_journal-4591 26 9 structure structure NOUN american_scientific_journal-4591 26 10 is be AUX american_scientific_journal-4591 26 11 introduced introduce VERB american_scientific_journal-4591 26 12 in in ADP american_scientific_journal-4591 26 13 [ [ X american_scientific_journal-4591 26 14 7 7 NUM american_scientific_journal-4591 26 15 ] ] PUNCT american_scientific_journal-4591 26 16 . . PUNCT american_scientific_journal-4591 27 1 the the DET american_scientific_journal-4591 27 2 defected defect VERB american_scientific_journal-4591 27 3 ground ground NOUN american_scientific_journal-4591 27 4 structure structure NOUN american_scientific_journal-4591 27 5 technique technique NOUN american_scientific_journal-4591 27 6 increases increase VERB american_scientific_journal-4591 27 7 the the DET american_scientific_journal-4591 27 8 bandwidth bandwidth NOUN american_scientific_journal-4591 27 9 of of ADP american_scientific_journal-4591 27 10 the the DET american_scientific_journal-4591 27 11 proposed propose VERB american_scientific_journal-4591 27 12 antenna antenna NOUN american_scientific_journal-4591 27 13 structure structure NOUN american_scientific_journal-4591 27 14 . . PUNCT american_scientific_journal-4591 28 1 this this DET american_scientific_journal-4591 28 2 paper paper NOUN american_scientific_journal-4591 28 3 focused focus VERB american_scientific_journal-4591 28 4 on on ADP american_scientific_journal-4591 28 5 reconfigurability reconfigurability NOUN american_scientific_journal-4591 28 6 . . PUNCT american_scientific_journal-4591 29 1 ying ying PROPN american_scientific_journal-4591 29 2 song song PROPN american_scientific_journal-4591 29 3 li li PROPN american_scientific_journal-4591 29 4 et.al et.al PROPN american_scientific_journal-4591 29 5 , , PUNCT american_scientific_journal-4591 29 6 designed design VERB american_scientific_journal-4591 29 7 antenna antenna NOUN american_scientific_journal-4591 29 8 with with ADP american_scientific_journal-4591 29 9 ultra ultra ADJ american_scientific_journal-4591 29 10 - - ADJ american_scientific_journal-4591 29 11 wide wide ADJ american_scientific_journal-4591 29 12 band band NOUN american_scientific_journal-4591 29 13 from from ADP american_scientific_journal-4591 29 14 3.1 3.1 NUM american_scientific_journal-4591 29 15 ghz ghz NOUN american_scientific_journal-4591 29 16 to to ADP american_scientific_journal-4591 29 17 10.6 10.6 NUM american_scientific_journal-4591 29 18 ghz ghz NOUN american_scientific_journal-4591 29 19 for for ADP american_scientific_journal-4591 29 20 cognitive cognitive ADJ american_scientific_journal-4591 29 21 radio radio NOUN american_scientific_journal-4591 29 22 application application NOUN american_scientific_journal-4591 29 23 [ [ X american_scientific_journal-4591 29 24 8 8 NUM american_scientific_journal-4591 29 25 ] ] PUNCT american_scientific_journal-4591 29 26 . . PUNCT american_scientific_journal-4591 30 1 in in ADP american_scientific_journal-4591 30 2 this this DET american_scientific_journal-4591 30 3 paper paper NOUN american_scientific_journal-4591 30 4 , , PUNCT american_scientific_journal-4591 30 5 a a DET american_scientific_journal-4591 30 6 simple simple ADJ american_scientific_journal-4591 30 7 uwb uwb NOUN american_scientific_journal-4591 30 8 microstrip microstrip NOUN american_scientific_journal-4591 30 9 circular circular ADJ american_scientific_journal-4591 30 10 patch patch NOUN american_scientific_journal-4591 30 11 antenna antenna NOUN american_scientific_journal-4591 30 12 with with ADP american_scientific_journal-4591 30 13 operating operating NOUN american_scientific_journal-4591 30 14 frequency frequency NOUN american_scientific_journal-4591 30 15 range range NOUN american_scientific_journal-4591 30 16 extending extend VERB american_scientific_journal-4591 30 17 from from ADP american_scientific_journal-4591 30 18 1.17 1.17 NUM american_scientific_journal-4591 30 19 ghz ghz NOUN american_scientific_journal-4591 30 20 to to ADP american_scientific_journal-4591 30 21 more more ADJ american_scientific_journal-4591 30 22 than than ADP american_scientific_journal-4591 30 23 12 12 NUM american_scientific_journal-4591 30 24 ghz ghz NOUN american_scientific_journal-4591 30 25 is be AUX american_scientific_journal-4591 30 26 introduced introduce VERB american_scientific_journal-4591 30 27 . . PUNCT american_scientific_journal-4591 31 1 the the DET american_scientific_journal-4591 31 2 wide wide ADJ american_scientific_journal-4591 31 3 slot slot NOUN american_scientific_journal-4591 31 4 defected defect VERB american_scientific_journal-4591 31 5 ground ground NOUN american_scientific_journal-4591 31 6 structure structure NOUN american_scientific_journal-4591 31 7 allows allow VERB american_scientific_journal-4591 31 8 wideband wideband NOUN american_scientific_journal-4591 31 9 matching matching NOUN american_scientific_journal-4591 31 10 characteristics characteristic NOUN american_scientific_journal-4591 31 11 and and CCONJ american_scientific_journal-4591 31 12 omnidirectional omnidirectional ADJ american_scientific_journal-4591 31 13 radiation radiation NOUN american_scientific_journal-4591 31 14 patterns pattern NOUN american_scientific_journal-4591 31 15 . . PUNCT american_scientific_journal-4591 32 1 but but CCONJ american_scientific_journal-4591 32 2 , , PUNCT american_scientific_journal-4591 32 3 it it PRON american_scientific_journal-4591 32 4 provides provide VERB american_scientific_journal-4591 32 5 low low ADJ american_scientific_journal-4591 32 6 antenna antenna NOUN american_scientific_journal-4591 32 7 gains gain NOUN american_scientific_journal-4591 32 8 . . PUNCT american_scientific_journal-4591 33 1 in in ADP american_scientific_journal-4591 33 2 order order NOUN american_scientific_journal-4591 33 3 to to PART american_scientific_journal-4591 33 4 increase increase VERB american_scientific_journal-4591 33 5 the the DET american_scientific_journal-4591 33 6 antenna antenna NOUN american_scientific_journal-4591 33 7 gain gain NOUN american_scientific_journal-4591 33 8 while while SCONJ american_scientific_journal-4591 33 9 maintaining maintain VERB american_scientific_journal-4591 33 10 the the DET american_scientific_journal-4591 33 11 same same ADJ american_scientific_journal-4591 33 12 impedance impedance NOUN american_scientific_journal-4591 33 13 matching matching NOUN american_scientific_journal-4591 33 14 characteristics characteristic NOUN american_scientific_journal-4591 33 15 , , PUNCT american_scientific_journal-4591 33 16 a a DET american_scientific_journal-4591 33 17 plane plane NOUN american_scientific_journal-4591 33 18 reflector reflector NOUN american_scientific_journal-4591 33 19 is be AUX american_scientific_journal-4591 33 20 placed place VERB american_scientific_journal-4591 33 21 beneath beneath ADP american_scientific_journal-4591 33 22 the the DET american_scientific_journal-4591 33 23 antenna antenna NOUN american_scientific_journal-4591 33 24 at at ADP american_scientific_journal-4591 33 25 an an DET american_scientific_journal-4591 33 26 optimized optimize VERB american_scientific_journal-4591 33 27 distance distance NOUN american_scientific_journal-4591 33 28 𝑑𝑑. 𝑑𝑑. NOUN american_scientific_journal-4591 33 29 the the DET american_scientific_journal-4591 33 30 plane plane NOUN american_scientific_journal-4591 33 31 reflector reflector NOUN american_scientific_journal-4591 33 32 reflects reflect VERB american_scientific_journal-4591 33 33 the the DET american_scientific_journal-4591 33 34 backward backward ADJ american_scientific_journal-4591 33 35 radiated radiate VERB american_scientific_journal-4591 33 36 power power NOUN american_scientific_journal-4591 33 37 again again ADV american_scientific_journal-4591 33 38 towards towards ADP american_scientific_journal-4591 33 39 the the DET american_scientific_journal-4591 33 40 antenna antenna NOUN american_scientific_journal-4591 33 41 to to PART american_scientific_journal-4591 33 42 be be AUX american_scientific_journal-4591 33 43 constructively constructively ADV american_scientific_journal-4591 33 44 added add VERB american_scientific_journal-4591 33 45 to to ADP american_scientific_journal-4591 33 46 the the DET american_scientific_journal-4591 33 47 forward forward ADV american_scientific_journal-4591 33 48 radiated radiate VERB american_scientific_journal-4591 33 49 power power NOUN american_scientific_journal-4591 33 50 . . PUNCT american_scientific_journal-4591 34 1 in in ADP american_scientific_journal-4591 34 2 this this DET american_scientific_journal-4591 34 3 case case NOUN american_scientific_journal-4591 34 4 , , PUNCT american_scientific_journal-4591 34 5 the the DET american_scientific_journal-4591 34 6 modified modify VERB american_scientific_journal-4591 34 7 antenna antenna NOUN american_scientific_journal-4591 34 8 radiated radiate VERB american_scientific_journal-4591 34 9 power power NOUN american_scientific_journal-4591 34 10 is be AUX american_scientific_journal-4591 34 11 significantly significantly ADV american_scientific_journal-4591 34 12 increased increase VERB american_scientific_journal-4591 34 13 and and CCONJ american_scientific_journal-4591 34 14 the the DET american_scientific_journal-4591 34 15 antenna antenna NOUN american_scientific_journal-4591 34 16 gain gain NOUN american_scientific_journal-4591 34 17 is be AUX american_scientific_journal-4591 34 18 also also ADV american_scientific_journal-4591 34 19 increased increase VERB american_scientific_journal-4591 34 20 . . PUNCT american_scientific_journal-4591 35 1 2 2 X american_scientific_journal-4591 35 2 . . NUM american_scientific_journal-4591 35 3 proposed propose VERB american_scientific_journal-4591 35 4 uwb uwb PROPN american_scientific_journal-4591 35 5 antenna antenna NOUN american_scientific_journal-4591 35 6 design design NOUN american_scientific_journal-4591 35 7 in in ADP american_scientific_journal-4591 35 8 this this DET american_scientific_journal-4591 35 9 section section NOUN american_scientific_journal-4591 35 10 , , PUNCT american_scientific_journal-4591 35 11 a a DET american_scientific_journal-4591 35 12 small small ADJ american_scientific_journal-4591 35 13 uwb uwb NOUN american_scientific_journal-4591 35 14 antenna antenna NOUN american_scientific_journal-4591 35 15 with with ADP american_scientific_journal-4591 35 16 circular circular ADJ american_scientific_journal-4591 35 17 radiating radiating NOUN american_scientific_journal-4591 35 18 patch patch NOUN american_scientific_journal-4591 35 19 and and CCONJ american_scientific_journal-4591 35 20 defected defect VERB american_scientific_journal-4591 35 21 ground ground NOUN american_scientific_journal-4591 35 22 structure structure NOUN american_scientific_journal-4591 35 23 for for ADP american_scientific_journal-4591 35 24 cognitive cognitive ADJ american_scientific_journal-4591 35 25 radio radio NOUN american_scientific_journal-4591 35 26 spectrum spectrum NOUN american_scientific_journal-4591 35 27 sensing sense VERB american_scientific_journal-4591 35 28 applications application NOUN american_scientific_journal-4591 35 29 is be AUX american_scientific_journal-4591 35 30 proposed propose VERB american_scientific_journal-4591 35 31 . . PUNCT american_scientific_journal-4591 36 1 the the DET american_scientific_journal-4591 36 2 desired desire VERB american_scientific_journal-4591 36 3 wideband wideband NOUN american_scientific_journal-4591 36 4 matching matching NOUN american_scientific_journal-4591 36 5 characteristic characteristic NOUN american_scientific_journal-4591 36 6 is be AUX american_scientific_journal-4591 36 7 achieved achieve VERB american_scientific_journal-4591 36 8 using use VERB american_scientific_journal-4591 36 9 the the DET american_scientific_journal-4591 36 10 well well ADV american_scientific_journal-4591 36 11 - - PUNCT american_scientific_journal-4591 36 12 known know VERB american_scientific_journal-4591 36 13 defected defect VERB american_scientific_journal-4591 36 14 ground ground NOUN american_scientific_journal-4591 36 15 structure structure NOUN american_scientific_journal-4591 36 16 dgs dgs NOUN american_scientific_journal-4591 36 17 technique technique NOUN american_scientific_journal-4591 36 18 . . PUNCT american_scientific_journal-4591 37 1 but but CCONJ american_scientific_journal-4591 37 2 , , PUNCT american_scientific_journal-4591 37 3 the the DET american_scientific_journal-4591 37 4 dgs dgs NOUN american_scientific_journal-4591 37 5 provides provide VERB american_scientific_journal-4591 37 6 low low ADJ american_scientific_journal-4591 37 7 antenna antenna NOUN american_scientific_journal-4591 37 8 gains gain NOUN american_scientific_journal-4591 37 9 . . PUNCT american_scientific_journal-4591 38 1 in in ADP american_scientific_journal-4591 38 2 order order NOUN american_scientific_journal-4591 38 3 to to PART american_scientific_journal-4591 38 4 increase increase VERB american_scientific_journal-4591 38 5 the the DET american_scientific_journal-4591 38 6 antenna antenna NOUN american_scientific_journal-4591 38 7 gain gain NOUN american_scientific_journal-4591 38 8 , , PUNCT american_scientific_journal-4591 38 9 a a DET american_scientific_journal-4591 38 10 large large ADJ american_scientific_journal-4591 38 11 copper copper NOUN american_scientific_journal-4591 38 12 reflecting reflect VERB american_scientific_journal-4591 38 13 plane plane NOUN american_scientific_journal-4591 38 14 is be AUX american_scientific_journal-4591 38 15 mounted mount VERB american_scientific_journal-4591 38 16 at at ADP american_scientific_journal-4591 38 17 a a DET american_scientific_journal-4591 38 18 distance𝑑𝑑 distance𝑑𝑑 NOUN american_scientific_journal-4591 38 19 from from ADP american_scientific_journal-4591 38 20 the the DET american_scientific_journal-4591 38 21 radiating radiating NOUN american_scientific_journal-4591 38 22 patch patch NOUN american_scientific_journal-4591 38 23 . . PUNCT american_scientific_journal-4591 39 1 to to PART american_scientific_journal-4591 39 2 clarify clarify VERB american_scientific_journal-4591 39 3 the the DET american_scientific_journal-4591 39 4 basic basic ADJ american_scientific_journal-4591 39 5 idea idea NOUN american_scientific_journal-4591 39 6 behind behind ADP american_scientific_journal-4591 39 7 of of ADP american_scientific_journal-4591 39 8 the the DET american_scientific_journal-4591 39 9 proposed propose VERB american_scientific_journal-4591 39 10 antenna antenna NOUN american_scientific_journal-4591 39 11 , , PUNCT american_scientific_journal-4591 39 12 we we PRON american_scientific_journal-4591 39 13 start start VERB american_scientific_journal-4591 39 14 from from ADP american_scientific_journal-4591 39 15 a a DET american_scientific_journal-4591 39 16 simple simple ADJ american_scientific_journal-4591 39 17 circular circular ADJ american_scientific_journal-4591 39 18 radiating radiating NOUN american_scientific_journal-4591 39 19 patch patch NOUN american_scientific_journal-4591 39 20 with with ADP american_scientific_journal-4591 39 21 wide wide ADJ american_scientific_journal-4591 39 22 slot slot NOUN american_scientific_journal-4591 39 23 dgs dgs NOUN american_scientific_journal-4591 39 24 as as SCONJ american_scientific_journal-4591 39 25 shown show VERB american_scientific_journal-4591 39 26 in in ADP american_scientific_journal-4591 39 27 figure figure NOUN american_scientific_journal-4591 39 28 ( ( PUNCT american_scientific_journal-4591 39 29 1 1 NUM american_scientific_journal-4591 39 30 ) ) PUNCT american_scientific_journal-4591 39 31 . . PUNCT american_scientific_journal-4591 40 1 the the DET american_scientific_journal-4591 40 2 antenna antenna NOUN american_scientific_journal-4591 40 3 is be AUX american_scientific_journal-4591 40 4 printed print VERB american_scientific_journal-4591 40 5 on on ADP american_scientific_journal-4591 40 6 fr4 fr4 PROPN american_scientific_journal-4591 40 7 ( ( PUNCT american_scientific_journal-4591 40 8 lossy lossy ADJ american_scientific_journal-4591 40 9 ) ) PUNCT american_scientific_journal-4591 40 10 substrate substrate NOUN american_scientific_journal-4591 40 11 with with ADP american_scientific_journal-4591 40 12 relative relative ADJ american_scientific_journal-4591 40 13 permittivity permittivity NOUN american_scientific_journal-4591 40 14 πœ€πœ€π‘Ÿπ‘Ÿ πœ€πœ€π‘Ÿπ‘Ÿ NOUN american_scientific_journal-4591 40 15 = = SYM american_scientific_journal-4591 40 16 4.3 4.3 NUM american_scientific_journal-4591 40 17 , , PUNCT american_scientific_journal-4591 40 18 thickness thickness NOUN american_scientific_journal-4591 40 19 β„Ž β„Ž NOUN american_scientific_journal-4591 40 20 = = SYM american_scientific_journal-4591 40 21 1.6 1.6 NUM american_scientific_journal-4591 40 22 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š ADJ american_scientific_journal-4591 40 23 , , PUNCT american_scientific_journal-4591 40 24 and and CCONJ american_scientific_journal-4591 40 25 loss loss NOUN american_scientific_journal-4591 40 26 tangent tangent NOUN american_scientific_journal-4591 40 27 of of ADP american_scientific_journal-4591 40 28 𝛿𝛿 𝛿𝛿 NOUN american_scientific_journal-4591 40 29 = = NOUN american_scientific_journal-4591 40 30 0.025 0.025 NUM american_scientific_journal-4591 40 31 . . PUNCT american_scientific_journal-4591 41 1 l l NOUN american_scientific_journal-4591 41 2 , , PUNCT american_scientific_journal-4591 41 3 w w PROPN american_scientific_journal-4591 41 4 , , PUNCT american_scientific_journal-4591 41 5 f f X american_scientific_journal-4591 41 6 , , PUNCT american_scientific_journal-4591 41 7 r r NOUN american_scientific_journal-4591 41 8 , , PUNCT american_scientific_journal-4591 41 9 d d NOUN american_scientific_journal-4591 41 10 , , PUNCT american_scientific_journal-4591 41 11 and and CCONJ american_scientific_journal-4591 41 12 π‘Žπ‘Ž π‘Žπ‘Ž NOUN american_scientific_journal-4591 41 13 are be AUX american_scientific_journal-4591 41 14 the the DET american_scientific_journal-4591 41 15 antenna antenna NOUN american_scientific_journal-4591 41 16 dimensions dimension NOUN american_scientific_journal-4591 41 17 whose whose DET american_scientific_journal-4591 41 18 values value NOUN american_scientific_journal-4591 41 19 are be AUX american_scientific_journal-4591 41 20 reported report VERB american_scientific_journal-4591 41 21 in in ADP american_scientific_journal-4591 41 22 table table NOUN american_scientific_journal-4591 41 23 1 1 NUM american_scientific_journal-4591 41 24 . . PUNCT american_scientific_journal-4591 42 1 the the DET american_scientific_journal-4591 42 2 simulated simulated ADJ american_scientific_journal-4591 42 3 scattering scattering NOUN american_scientific_journal-4591 42 4 parameter parameter NOUN american_scientific_journal-4591 42 5 |𝑆𝑆11| |𝑆𝑆11| NOUN american_scientific_journal-4591 42 6 of of ADP american_scientific_journal-4591 42 7 the the DET american_scientific_journal-4591 42 8 antenna antenna NOUN american_scientific_journal-4591 42 9 is be AUX american_scientific_journal-4591 42 10 depicted depict VERB american_scientific_journal-4591 42 11 in in ADP american_scientific_journal-4591 42 12 figure figure NOUN american_scientific_journal-4591 42 13 ( ( PUNCT american_scientific_journal-4591 42 14 2 2 NUM american_scientific_journal-4591 42 15 ) ) PUNCT american_scientific_journal-4591 42 16 . . PUNCT american_scientific_journal-4591 43 1 it it PRON american_scientific_journal-4591 43 2 provides provide VERB american_scientific_journal-4591 43 3 an an DET american_scientific_journal-4591 43 4 ultra ultra ADJ american_scientific_journal-4591 43 5 - - ADJ american_scientific_journal-4591 43 6 wideband wideband ADJ american_scientific_journal-4591 43 7 impedance impedance NOUN american_scientific_journal-4591 43 8 bandwidth bandwidth NOUN american_scientific_journal-4591 43 9 that that PRON american_scientific_journal-4591 43 10 extends extend VERB american_scientific_journal-4591 43 11 from from ADP american_scientific_journal-4591 43 12 1.17 1.17 NUM american_scientific_journal-4591 43 13 ghz ghz NOUN american_scientific_journal-4591 43 14 to to ADP american_scientific_journal-4591 43 15 more more ADJ american_scientific_journal-4591 43 16 than than ADP american_scientific_journal-4591 43 17 12 12 NUM american_scientific_journal-4591 43 18 ghz ghz NOUN american_scientific_journal-4591 43 19 where where SCONJ american_scientific_journal-4591 43 20 |𝑆𝑆11| |𝑆𝑆11| NOUN american_scientific_journal-4591 43 21 is be AUX american_scientific_journal-4591 43 22 below below ADP american_scientific_journal-4591 43 23 βˆ’10𝑑𝑑𝑑𝑑. βˆ’10𝑑𝑑𝑑𝑑. NUM american_scientific_journal-4591 43 24 different different ADJ american_scientific_journal-4591 43 25 radiation radiation NOUN american_scientific_journal-4591 43 26 patterns pattern NOUN american_scientific_journal-4591 43 27 of of ADP american_scientific_journal-4591 43 28 the the DET american_scientific_journal-4591 43 29 proposed propose VERB american_scientific_journal-4591 43 30 antenna antenna NOUN american_scientific_journal-4591 43 31 without without ADP american_scientific_journal-4591 43 32 reflecting reflect VERB american_scientific_journal-4591 43 33 plane plane NOUN american_scientific_journal-4591 43 34 at at ADP american_scientific_journal-4591 43 35 various various ADJ american_scientific_journal-4591 43 36 frequencies frequency NOUN american_scientific_journal-4591 43 37 are be AUX american_scientific_journal-4591 43 38 depicted depict VERB american_scientific_journal-4591 43 39 in in ADP american_scientific_journal-4591 43 40 table table NOUN american_scientific_journal-4591 43 41 2 2 NUM american_scientific_journal-4591 43 42 . . PUNCT american_scientific_journal-4591 44 1 the the DET american_scientific_journal-4591 44 2 radiation radiation NOUN american_scientific_journal-4591 44 3 efficiency efficiency NOUN american_scientific_journal-4591 44 4 and and CCONJ american_scientific_journal-4591 44 5 total total ADJ american_scientific_journal-4591 44 6 efficiency efficiency NOUN american_scientific_journal-4591 44 7 of of ADP american_scientific_journal-4591 44 8 the the DET american_scientific_journal-4591 44 9 antenna antenna NOUN american_scientific_journal-4591 44 10 are be AUX american_scientific_journal-4591 44 11 calculated calculate VERB american_scientific_journal-4591 44 12 over over ADP american_scientific_journal-4591 44 13 the the DET american_scientific_journal-4591 44 14 operating operate VERB american_scientific_journal-4591 44 15 frequency frequency NOUN american_scientific_journal-4591 44 16 range range NOUN american_scientific_journal-4591 44 17 as as SCONJ american_scientific_journal-4591 44 18 shown show VERB american_scientific_journal-4591 44 19 in in ADP american_scientific_journal-4591 44 20 figure figure NOUN american_scientific_journal-4591 44 21 ( ( PUNCT american_scientific_journal-4591 44 22 3 3 NUM american_scientific_journal-4591 44 23 ) ) PUNCT american_scientific_journal-4591 44 24 . . PUNCT american_scientific_journal-4591 45 1 also also ADV american_scientific_journal-4591 45 2 the the DET american_scientific_journal-4591 45 3 american american ADJ american_scientific_journal-4591 45 4 scientific scientific ADJ american_scientific_journal-4591 45 5 research research PROPN american_scientific_journal-4591 45 6 journal journal NOUN american_scientific_journal-4591 45 7 for for ADP american_scientific_journal-4591 45 8 engineering engineering NOUN american_scientific_journal-4591 45 9 , , PUNCT american_scientific_journal-4591 45 10 technology technology NOUN american_scientific_journal-4591 45 11 , , PUNCT american_scientific_journal-4591 45 12 and and CCONJ american_scientific_journal-4591 45 13 sciences science NOUN american_scientific_journal-4591 45 14 ( ( PUNCT american_scientific_journal-4591 45 15 asrjets asrjet NOUN american_scientific_journal-4591 45 16 ) ) PUNCT american_scientific_journal-4591 45 17 ( ( PUNCT american_scientific_journal-4591 45 18 2019 2019 NUM american_scientific_journal-4591 45 19 ) ) PUNCT american_scientific_journal-4591 45 20 volume volume NOUN american_scientific_journal-4591 45 21 51 51 NUM american_scientific_journal-4591 45 22 , , PUNCT american_scientific_journal-4591 45 23 no no DET american_scientific_journal-4591 45 24 1 1 NUM american_scientific_journal-4591 45 25 , , PUNCT american_scientific_journal-4591 45 26 pp pp ADV american_scientific_journal-4591 45 27 56 56 NUM american_scientific_journal-4591 45 28 - - SYM american_scientific_journal-4591 45 29 65 65 NUM american_scientific_journal-4591 45 30 58 58 NUM american_scientific_journal-4591 45 31 antenna antenna NOUN american_scientific_journal-4591 45 32 gains gain NOUN american_scientific_journal-4591 45 33 are be AUX american_scientific_journal-4591 45 34 calculated calculate VERB american_scientific_journal-4591 45 35 over over ADP american_scientific_journal-4591 45 36 the the DET american_scientific_journal-4591 45 37 entire entire ADJ american_scientific_journal-4591 45 38 bandwidth bandwidth NOUN american_scientific_journal-4591 45 39 as as SCONJ american_scientific_journal-4591 45 40 shown show VERB american_scientific_journal-4591 45 41 in in ADP american_scientific_journal-4591 45 42 figure figure NOUN american_scientific_journal-4591 45 43 ( ( PUNCT american_scientific_journal-4591 45 44 4 4 NUM american_scientific_journal-4591 45 45 ) ) PUNCT american_scientific_journal-4591 45 46 . . PUNCT american_scientific_journal-4591 46 1 the the DET american_scientific_journal-4591 46 2 simulation simulation NOUN american_scientific_journal-4591 46 3 results result NOUN american_scientific_journal-4591 46 4 revealed reveal VERB american_scientific_journal-4591 46 5 that that SCONJ american_scientific_journal-4591 46 6 the the DET american_scientific_journal-4591 46 7 antenna antenna NOUN american_scientific_journal-4591 46 8 has have VERB american_scientific_journal-4591 46 9 low low ADJ american_scientific_journal-4591 46 10 gain gain NOUN american_scientific_journal-4591 46 11 . . PUNCT american_scientific_journal-4591 47 1 it it PRON american_scientific_journal-4591 47 2 has have VERB american_scientific_journal-4591 47 3 positive positive ADJ american_scientific_journal-4591 47 4 gain gain NOUN american_scientific_journal-4591 47 5 only only ADV american_scientific_journal-4591 47 6 in in ADP american_scientific_journal-4591 47 7 two two NUM american_scientific_journal-4591 47 8 narrow narrow ADJ american_scientific_journal-4591 47 9 frequency frequency NOUN american_scientific_journal-4591 47 10 ranges range NOUN american_scientific_journal-4591 47 11 denoted denote VERB american_scientific_journal-4591 47 12 as as ADP american_scientific_journal-4591 47 13 range range NOUN american_scientific_journal-4591 47 14 1 1 NUM american_scientific_journal-4591 47 15 and and CCONJ american_scientific_journal-4591 47 16 range range NOUN american_scientific_journal-4591 47 17 2 2 NUM american_scientific_journal-4591 47 18 as as SCONJ american_scientific_journal-4591 47 19 shown show VERB american_scientific_journal-4591 47 20 in in ADP american_scientific_journal-4591 47 21 figure figure NOUN american_scientific_journal-4591 47 22 ( ( PUNCT american_scientific_journal-4591 47 23 4 4 NUM american_scientific_journal-4591 47 24 ) ) PUNCT american_scientific_journal-4591 47 25 . . PUNCT american_scientific_journal-4591 48 1 range range NOUN american_scientific_journal-4591 48 2 1 1 NUM american_scientific_journal-4591 48 3 and and CCONJ american_scientific_journal-4591 48 4 range range VERB american_scientific_journal-4591 48 5 2 2 NUM american_scientific_journal-4591 48 6 extend extend NOUN american_scientific_journal-4591 48 7 from from ADP american_scientific_journal-4591 48 8 1.17𝐺𝐺𝐺𝐺𝐺𝐺 1.17𝐺𝐺𝐺𝐺𝐺𝐺 NUM american_scientific_journal-4591 48 9 to to ADP american_scientific_journal-4591 48 10 3.6𝐺𝐺𝐺𝐺𝐺𝐺 3.6𝐺𝐺𝐺𝐺𝐺𝐺 NUM american_scientific_journal-4591 48 11 and and CCONJ american_scientific_journal-4591 48 12 from from ADP american_scientific_journal-4591 48 13 9.84𝐺𝐺𝐺𝐺𝐺𝐺 9.84𝐺𝐺𝐺𝐺𝐺𝐺 NUM american_scientific_journal-4591 48 14 to to ADP american_scientific_journal-4591 48 15 12 12 NUM american_scientific_journal-4591 48 16 𝐺𝐺𝐺𝐺𝐺𝐺 𝐺𝐺𝐺𝐺𝐺𝐺 PROPN american_scientific_journal-4591 48 17 respectively respectively ADV american_scientific_journal-4591 48 18 . . PUNCT american_scientific_journal-4591 49 1 the the DET american_scientific_journal-4591 49 2 maximum maximum ADJ american_scientific_journal-4591 49 3 achievable achievable ADJ american_scientific_journal-4591 49 4 antenna antenna NOUN american_scientific_journal-4591 49 5 gain gain NOUN american_scientific_journal-4591 49 6 is be AUX american_scientific_journal-4591 49 7 2.78 2.78 NUM american_scientific_journal-4591 49 8 𝑑𝑑𝑑𝑑𝑑𝑑 𝑑𝑑𝑑𝑑𝑑𝑑 NOUN american_scientific_journal-4591 49 9 at at ADP american_scientific_journal-4591 49 10 𝑓𝑓 𝑓𝑓 NOUN american_scientific_journal-4591 49 11 = = SYM american_scientific_journal-4591 49 12 2.1𝐺𝐺𝐺𝐺𝐺𝐺. 2.1𝐺𝐺𝐺𝐺𝐺𝐺. NUM american_scientific_journal-4591 49 13 figure figure NOUN american_scientific_journal-4591 49 14 1 1 NUM american_scientific_journal-4591 49 15 : : PUNCT american_scientific_journal-4591 49 16 configuration configuration NOUN american_scientific_journal-4591 49 17 of of ADP american_scientific_journal-4591 49 18 the the DET american_scientific_journal-4591 49 19 proposed propose VERB american_scientific_journal-4591 49 20 uwb uwb NOUN american_scientific_journal-4591 49 21 antenna antenna NOUN american_scientific_journal-4591 49 22 designed design VERB american_scientific_journal-4591 49 23 using use VERB american_scientific_journal-4591 49 24 the the DET american_scientific_journal-4591 49 25 cst cst PROPN american_scientific_journal-4591 49 26 microwave microwave PROPN american_scientific_journal-4591 49 27 studio studio PROPN american_scientific_journal-4591 49 28 software software NOUN american_scientific_journal-4591 49 29 . . PUNCT american_scientific_journal-4591 50 1 table table NOUN american_scientific_journal-4591 50 2 1 1 NUM american_scientific_journal-4591 50 3 : : PUNCT american_scientific_journal-4591 50 4 antenna antenna NOUN american_scientific_journal-4591 50 5 dimensions dimension NOUN american_scientific_journal-4591 51 1 𝐿𝐿 𝐿𝐿 PROPN american_scientific_journal-4591 51 2 π‘Šπ‘Š π‘Šπ‘Š PROPN american_scientific_journal-4591 51 3 𝐹𝐹 𝐹𝐹 PROPN american_scientific_journal-4591 51 4 𝑅𝑅 𝑅𝑅 PROPN american_scientific_journal-4591 51 5 𝐷𝐷 𝐷𝐷 PROPN american_scientific_journal-4591 51 6 π‘Žπ‘Ž π‘Žπ‘Ž VERB american_scientific_journal-4591 51 7 dimension dimension NOUN american_scientific_journal-4591 51 8 in in ADP american_scientific_journal-4591 51 9 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 51 10 84 84 NUM american_scientific_journal-4591 51 11 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 51 12 86 86 NUM american_scientific_journal-4591 51 13 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 51 14 27.849 27.849 NUM american_scientific_journal-4591 51 15 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 51 16 24 24 NUM american_scientific_journal-4591 51 17 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 51 18 27 27 NUM american_scientific_journal-4591 51 19 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 51 20 3.08 3.08 NUM american_scientific_journal-4591 51 21 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š ADJ american_scientific_journal-4591 51 22 figure figure NOUN american_scientific_journal-4591 51 23 2 2 NUM american_scientific_journal-4591 51 24 : : PUNCT american_scientific_journal-4591 51 25 simulated simulated ADJ american_scientific_journal-4591 51 26 scattering scattering NOUN american_scientific_journal-4591 51 27 parameter parameter NOUN american_scientific_journal-4591 51 28 |𝑆𝑆11|of |𝑆𝑆11|of ADP american_scientific_journal-4591 51 29 the the DET american_scientific_journal-4591 51 30 traditional traditional ADJ american_scientific_journal-4591 51 31 uwb uwb NOUN american_scientific_journal-4591 51 32 antenna antenna NOUN american_scientific_journal-4591 51 33 element element NOUN american_scientific_journal-4591 51 34 . . PUNCT american_scientific_journal-4591 52 1 figure figure NOUN american_scientific_journal-4591 52 2 3 3 NUM american_scientific_journal-4591 52 3 : : PUNCT american_scientific_journal-4591 52 4 the the DET american_scientific_journal-4591 52 5 simulated simulate VERB american_scientific_journal-4591 52 6 radiation radiation NOUN american_scientific_journal-4591 52 7 efficiency efficiency NOUN american_scientific_journal-4591 52 8 of of ADP american_scientific_journal-4591 52 9 the the DET american_scientific_journal-4591 52 10 proposed propose VERB american_scientific_journal-4591 52 11 antenna antenna NOUN american_scientific_journal-4591 52 12 element element NOUN american_scientific_journal-4591 52 13 . . PUNCT american_scientific_journal-4591 53 1 american american ADJ american_scientific_journal-4591 53 2 scientific scientific ADJ american_scientific_journal-4591 53 3 research research PROPN american_scientific_journal-4591 53 4 journal journal NOUN american_scientific_journal-4591 53 5 for for ADP american_scientific_journal-4591 53 6 engineering engineering NOUN american_scientific_journal-4591 53 7 , , PUNCT american_scientific_journal-4591 53 8 technology technology NOUN american_scientific_journal-4591 53 9 , , PUNCT american_scientific_journal-4591 53 10 and and CCONJ american_scientific_journal-4591 53 11 sciences science NOUN american_scientific_journal-4591 53 12 ( ( PUNCT american_scientific_journal-4591 53 13 asrjets asrjet NOUN american_scientific_journal-4591 53 14 ) ) PUNCT american_scientific_journal-4591 53 15 ( ( PUNCT american_scientific_journal-4591 53 16 2019 2019 NUM american_scientific_journal-4591 53 17 ) ) PUNCT american_scientific_journal-4591 53 18 volume volume NOUN american_scientific_journal-4591 53 19 51 51 NUM american_scientific_journal-4591 53 20 , , PUNCT american_scientific_journal-4591 53 21 no no DET american_scientific_journal-4591 53 22 1 1 NUM american_scientific_journal-4591 53 23 , , PUNCT american_scientific_journal-4591 53 24 pp pp ADV american_scientific_journal-4591 53 25 56 56 NUM american_scientific_journal-4591 53 26 - - SYM american_scientific_journal-4591 53 27 65 65 NUM american_scientific_journal-4591 53 28 59 59 NUM american_scientific_journal-4591 53 29 figure figure NOUN american_scientific_journal-4591 53 30 4 4 NUM american_scientific_journal-4591 53 31 : : PUNCT american_scientific_journal-4591 53 32 the the DET american_scientific_journal-4591 53 33 calculated calculate VERB american_scientific_journal-4591 53 34 antenna antenna NOUN american_scientific_journal-4591 53 35 gains gain NOUN american_scientific_journal-4591 53 36 of of ADP american_scientific_journal-4591 53 37 the the DET american_scientific_journal-4591 53 38 proposed propose VERB american_scientific_journal-4591 53 39 antenna antenna NOUN american_scientific_journal-4591 53 40 without without ADP american_scientific_journal-4591 53 41 reflecting reflect VERB american_scientific_journal-4591 53 42 plane plane NOUN american_scientific_journal-4591 53 43 . . PUNCT american_scientific_journal-4591 54 1 3 3 X american_scientific_journal-4591 54 2 . . X american_scientific_journal-4591 54 3 modified modify VERB american_scientific_journal-4591 54 4 ultra ultra ADJ american_scientific_journal-4591 54 5 wide wide ADJ american_scientific_journal-4591 54 6 band band NOUN american_scientific_journal-4591 54 7 circular circular ADJ american_scientific_journal-4591 54 8 patch patch NOUN american_scientific_journal-4591 54 9 antenna antenna NOUN american_scientific_journal-4591 54 10 element element NOUN american_scientific_journal-4591 54 11 design design NOUN american_scientific_journal-4591 54 12 to to PART american_scientific_journal-4591 54 13 overcome overcome VERB american_scientific_journal-4591 54 14 the the DET american_scientific_journal-4591 54 15 gain gain NOUN american_scientific_journal-4591 54 16 problem problem NOUN american_scientific_journal-4591 54 17 of of ADP american_scientific_journal-4591 54 18 the the DET american_scientific_journal-4591 54 19 previous previous ADJ american_scientific_journal-4591 54 20 antenna antenna NOUN american_scientific_journal-4591 54 21 a a DET american_scientific_journal-4591 54 22 reflecting reflect VERB american_scientific_journal-4591 54 23 plane plane NOUN american_scientific_journal-4591 54 24 made make VERB american_scientific_journal-4591 54 25 from from ADP american_scientific_journal-4591 54 26 copper copper NOUN american_scientific_journal-4591 54 27 is be AUX american_scientific_journal-4591 54 28 placed place VERB american_scientific_journal-4591 54 29 at at ADP american_scientific_journal-4591 54 30 a a DET american_scientific_journal-4591 54 31 specific specific ADJ american_scientific_journal-4591 54 32 distance distance NOUN american_scientific_journal-4591 54 33 from from ADP american_scientific_journal-4591 54 34 the the DET american_scientific_journal-4591 54 35 antenna antenna NOUN american_scientific_journal-4591 54 36 as as SCONJ american_scientific_journal-4591 54 37 shown show VERB american_scientific_journal-4591 54 38 in in ADP american_scientific_journal-4591 54 39 figure figure NOUN american_scientific_journal-4591 54 40 ( ( PUNCT american_scientific_journal-4591 54 41 5 5 NUM american_scientific_journal-4591 54 42 ) ) PUNCT american_scientific_journal-4591 54 43 . . PUNCT american_scientific_journal-4591 55 1 the the DET american_scientific_journal-4591 55 2 reflecting reflect VERB american_scientific_journal-4591 55 3 plane plane NOUN american_scientific_journal-4591 55 4 reflects reflect VERB american_scientific_journal-4591 55 5 the the DET american_scientific_journal-4591 55 6 backward backward ADJ american_scientific_journal-4591 55 7 power power NOUN american_scientific_journal-4591 55 8 towards towards ADP american_scientific_journal-4591 55 9 the the DET american_scientific_journal-4591 55 10 antenna antenna NOUN american_scientific_journal-4591 55 11 to to PART american_scientific_journal-4591 55 12 be be AUX american_scientific_journal-4591 55 13 constructively constructively ADV american_scientific_journal-4591 55 14 added add VERB american_scientific_journal-4591 55 15 to to ADP american_scientific_journal-4591 55 16 the the DET american_scientific_journal-4591 55 17 forward forward ADV american_scientific_journal-4591 55 18 radiated radiate VERB american_scientific_journal-4591 55 19 power power NOUN american_scientific_journal-4591 55 20 . . PUNCT american_scientific_journal-4591 56 1 in in ADP american_scientific_journal-4591 56 2 this this DET american_scientific_journal-4591 56 3 case case NOUN american_scientific_journal-4591 56 4 , , PUNCT american_scientific_journal-4591 56 5 the the DET american_scientific_journal-4591 56 6 antenna antenna NOUN american_scientific_journal-4591 56 7 radiated radiate VERB american_scientific_journal-4591 56 8 power power NOUN american_scientific_journal-4591 56 9 is be AUX american_scientific_journal-4591 56 10 concentrated concentrate VERB american_scientific_journal-4591 56 11 in in ADP american_scientific_journal-4591 56 12 the the DET american_scientific_journal-4591 56 13 forward forward ADJ american_scientific_journal-4591 56 14 direction direction NOUN american_scientific_journal-4591 56 15 and and CCONJ american_scientific_journal-4591 56 16 the the DET american_scientific_journal-4591 56 17 antenna antenna NOUN american_scientific_journal-4591 56 18 gain gain NOUN american_scientific_journal-4591 56 19 is be AUX american_scientific_journal-4591 56 20 also also ADV american_scientific_journal-4591 56 21 increased increase VERB american_scientific_journal-4591 56 22 . . PUNCT american_scientific_journal-4591 57 1 the the DET american_scientific_journal-4591 57 2 reflector reflector NOUN american_scientific_journal-4591 57 3 is be AUX american_scientific_journal-4591 57 4 made make VERB american_scientific_journal-4591 57 5 from from ADP american_scientific_journal-4591 57 6 ( ( PUNCT american_scientific_journal-4591 57 7 172 172 NUM american_scientific_journal-4591 57 8 Γ— Γ— NOUN american_scientific_journal-4591 57 9 172)π‘šπ‘šπ‘šπ‘š2 172)π‘šπ‘šπ‘šπ‘š2 NUM american_scientific_journal-4591 57 10 fr4 fr4 PROPN american_scientific_journal-4591 57 11 ( ( PUNCT american_scientific_journal-4591 57 12 lossy lossy ADJ american_scientific_journal-4591 57 13 ) ) PUNCT american_scientific_journal-4591 57 14 substrate substrate NOUN american_scientific_journal-4591 57 15 with with ADP american_scientific_journal-4591 57 16 relative relative ADJ american_scientific_journal-4591 57 17 permittivity permittivity NOUN american_scientific_journal-4591 57 18 πœ€πœ€π‘Ÿπ‘Ÿ πœ€πœ€π‘Ÿπ‘Ÿ NOUN american_scientific_journal-4591 57 19 = = SYM american_scientific_journal-4591 57 20 4.3 4.3 NUM american_scientific_journal-4591 57 21 , , PUNCT american_scientific_journal-4591 57 22 thickness thickness NOUN american_scientific_journal-4591 57 23 β„Ž β„Ž NOUN american_scientific_journal-4591 57 24 = = SYM american_scientific_journal-4591 57 25 1.6 1.6 NUM american_scientific_journal-4591 57 26 π‘šπ‘šπ‘šπ‘š π‘šπ‘šπ‘šπ‘š ADJ american_scientific_journal-4591 57 27 , , PUNCT american_scientific_journal-4591 57 28 and and CCONJ american_scientific_journal-4591 57 29 loss loss NOUN american_scientific_journal-4591 57 30 tangent tangent NOUN american_scientific_journal-4591 57 31 of of ADP american_scientific_journal-4591 57 32 𝛿𝛿 𝛿𝛿 NOUN american_scientific_journal-4591 57 33 = = PROPN american_scientific_journal-4591 57 34 0.025 0.025 NUM american_scientific_journal-4591 57 35 coated coat VERB american_scientific_journal-4591 57 36 with with ADP american_scientific_journal-4591 57 37 thin thin ADJ american_scientific_journal-4591 57 38 copper copper NOUN american_scientific_journal-4591 57 39 layers layer NOUN american_scientific_journal-4591 57 40 . . PUNCT american_scientific_journal-4591 58 1 using use VERB american_scientific_journal-4591 58 2 cst cst PROPN american_scientific_journal-4591 58 3 microwave microwave PROPN american_scientific_journal-4591 58 4 studio studio PROPN american_scientific_journal-4591 58 5 , , PUNCT american_scientific_journal-4591 58 6 the the DET american_scientific_journal-4591 58 7 optimized optimize VERB american_scientific_journal-4591 58 8 distance distance NOUN american_scientific_journal-4591 58 9 at at ADP american_scientific_journal-4591 58 10 which which PRON american_scientific_journal-4591 58 11 the the DET american_scientific_journal-4591 58 12 reflecting reflect VERB american_scientific_journal-4591 58 13 plane plane NOUN american_scientific_journal-4591 58 14 is be AUX american_scientific_journal-4591 58 15 placed place VERB american_scientific_journal-4591 58 16 is be AUX american_scientific_journal-4591 58 17 𝑑𝑑 𝑑𝑑 VERB american_scientific_journal-4591 58 18 = = SYM american_scientific_journal-4591 58 19 50π‘šπ‘šπ‘šπ‘š 50π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 58 20 from from ADP american_scientific_journal-4591 58 21 the the DET american_scientific_journal-4591 58 22 antenna antenna NOUN american_scientific_journal-4591 58 23 element element NOUN american_scientific_journal-4591 58 24 . . PUNCT american_scientific_journal-4591 59 1 the the DET american_scientific_journal-4591 59 2 simulated simulate VERB american_scientific_journal-4591 59 3 scattering scattering NOUN american_scientific_journal-4591 59 4 parameter parameter NOUN american_scientific_journal-4591 59 5 |𝑆𝑆11| |𝑆𝑆11| NOUN american_scientific_journal-4591 59 6 of of ADP american_scientific_journal-4591 59 7 the the DET american_scientific_journal-4591 59 8 modified modify VERB american_scientific_journal-4591 59 9 antenna antenna NOUN american_scientific_journal-4591 59 10 is be AUX american_scientific_journal-4591 59 11 shown show VERB american_scientific_journal-4591 59 12 in in ADP american_scientific_journal-4591 59 13 figure figure NOUN american_scientific_journal-4591 59 14 ( ( PUNCT american_scientific_journal-4591 59 15 6 6 NUM american_scientific_journal-4591 59 16 ) ) PUNCT american_scientific_journal-4591 59 17 . . PUNCT american_scientific_journal-4591 60 1 it it PRON american_scientific_journal-4591 60 2 provides provide VERB american_scientific_journal-4591 60 3 an an DET american_scientific_journal-4591 60 4 ultra ultra ADJ american_scientific_journal-4591 60 5 - - ADJ american_scientific_journal-4591 60 6 wideband wideband ADJ american_scientific_journal-4591 60 7 impedance impedance NOUN american_scientific_journal-4591 60 8 bandwidth bandwidth NOUN american_scientific_journal-4591 60 9 that that PRON american_scientific_journal-4591 60 10 extends extend VERB american_scientific_journal-4591 60 11 from from ADP american_scientific_journal-4591 60 12 1.17 1.17 NUM american_scientific_journal-4591 60 13 ghz ghz NOUN american_scientific_journal-4591 60 14 to to ADP american_scientific_journal-4591 60 15 more more ADJ american_scientific_journal-4591 60 16 than than ADP american_scientific_journal-4591 60 17 12 12 NUM american_scientific_journal-4591 60 18 ghz ghz NOUN american_scientific_journal-4591 60 19 where where SCONJ american_scientific_journal-4591 60 20 |𝑆𝑆11| |𝑆𝑆11| NOUN american_scientific_journal-4591 60 21 is be AUX american_scientific_journal-4591 60 22 below below ADP american_scientific_journal-4591 60 23 βˆ’10𝑑𝑑𝑑𝑑. βˆ’10𝑑𝑑𝑑𝑑. PROPN american_scientific_journal-4591 60 24 in in ADP american_scientific_journal-4591 60 25 addition addition NOUN american_scientific_journal-4591 60 26 , , PUNCT american_scientific_journal-4591 60 27 the the DET american_scientific_journal-4591 60 28 modified modify VERB american_scientific_journal-4591 60 29 antenna antenna NOUN american_scientific_journal-4591 60 30 exhibits exhibit VERB american_scientific_journal-4591 60 31 51 51 NUM american_scientific_journal-4591 60 32 % % NOUN american_scientific_journal-4591 60 33 to to PART american_scientific_journal-4591 60 34 95 95 NUM american_scientific_journal-4591 60 35 % % NOUN american_scientific_journal-4591 60 36 radiation radiation NOUN american_scientific_journal-4591 60 37 efficiency efficiency NOUN american_scientific_journal-4591 60 38 over over ADP american_scientific_journal-4591 60 39 the the DET american_scientific_journal-4591 60 40 operating operate VERB american_scientific_journal-4591 60 41 frequency frequency NOUN american_scientific_journal-4591 60 42 range range NOUN american_scientific_journal-4591 60 43 as as SCONJ american_scientific_journal-4591 60 44 shown show VERB american_scientific_journal-4591 60 45 in in ADP american_scientific_journal-4591 60 46 figure figure NOUN american_scientific_journal-4591 60 47 ( ( PUNCT american_scientific_journal-4591 60 48 7 7 NUM american_scientific_journal-4591 60 49 ) ) PUNCT american_scientific_journal-4591 60 50 . . PUNCT american_scientific_journal-4591 61 1 compared compare VERB american_scientific_journal-4591 61 2 to to ADP american_scientific_journal-4591 61 3 the the DET american_scientific_journal-4591 61 4 ordinary ordinary ADJ american_scientific_journal-4591 61 5 antenna antenna NOUN american_scientific_journal-4591 61 6 , , PUNCT american_scientific_journal-4591 61 7 the the DET american_scientific_journal-4591 61 8 modified modify VERB american_scientific_journal-4591 61 9 antenna antenna NOUN american_scientific_journal-4591 61 10 provides provide VERB american_scientific_journal-4591 61 11 positive positive ADJ american_scientific_journal-4591 61 12 gain gain NOUN american_scientific_journal-4591 61 13 over over ADP american_scientific_journal-4591 61 14 the the DET american_scientific_journal-4591 61 15 entire entire ADJ american_scientific_journal-4591 61 16 operating operating NOUN american_scientific_journal-4591 61 17 frequency frequency NOUN american_scientific_journal-4591 61 18 range range NOUN american_scientific_journal-4591 61 19 as as SCONJ american_scientific_journal-4591 61 20 shown show VERB american_scientific_journal-4591 61 21 in in ADP american_scientific_journal-4591 61 22 figure figure NOUN american_scientific_journal-4591 61 23 ( ( PUNCT american_scientific_journal-4591 61 24 8) 8) NUM american_scientific_journal-4591 61 25 . . PUNCT american_scientific_journal-4591 62 1 the the DET american_scientific_journal-4591 62 2 modified modify VERB american_scientific_journal-4591 62 3 antenna antenna NOUN american_scientific_journal-4591 62 4 radiated radiate VERB american_scientific_journal-4591 62 5 power power NOUN american_scientific_journal-4591 62 6 is be AUX american_scientific_journal-4591 62 7 significantly significantly ADV american_scientific_journal-4591 62 8 increased increase VERB american_scientific_journal-4591 62 9 and and CCONJ american_scientific_journal-4591 62 10 the the DET american_scientific_journal-4591 62 11 maximum maximum ADJ american_scientific_journal-4591 62 12 achievable achievable ADJ american_scientific_journal-4591 62 13 antenna antenna NOUN american_scientific_journal-4591 62 14 gain gain NOUN american_scientific_journal-4591 62 15 is be AUX american_scientific_journal-4591 62 16 also also ADV american_scientific_journal-4591 62 17 increased increase VERB american_scientific_journal-4591 62 18 up up ADP american_scientific_journal-4591 62 19 to to ADP american_scientific_journal-4591 62 20 7.67 7.67 NUM american_scientific_journal-4591 62 21 𝑑𝑑𝑑𝑑𝑑𝑑 𝑑𝑑𝑑𝑑𝑑𝑑 NOUN american_scientific_journal-4591 62 22 which which PRON american_scientific_journal-4591 62 23 is be AUX american_scientific_journal-4591 62 24 2.75 2.75 NUM american_scientific_journal-4591 62 25 times time NOUN american_scientific_journal-4591 62 26 greater great ADJ american_scientific_journal-4591 62 27 than than ADP american_scientific_journal-4591 62 28 the the DET american_scientific_journal-4591 62 29 gain gain NOUN american_scientific_journal-4591 62 30 of of ADP american_scientific_journal-4591 62 31 the the DET american_scientific_journal-4591 62 32 antenna antenna NOUN american_scientific_journal-4591 62 33 without without ADP american_scientific_journal-4591 62 34 reflector reflector NOUN american_scientific_journal-4591 62 35 . . PUNCT american_scientific_journal-4591 63 1 to to PART american_scientific_journal-4591 63 2 verify verify VERB american_scientific_journal-4591 63 3 the the DET american_scientific_journal-4591 63 4 reflecting reflect VERB american_scientific_journal-4591 63 5 plane plane NOUN american_scientific_journal-4591 63 6 effect effect NOUN american_scientific_journal-4591 63 7 on on ADP american_scientific_journal-4591 63 8 the the DET american_scientific_journal-4591 63 9 antenna antenna NOUN american_scientific_journal-4591 63 10 radiation radiation NOUN american_scientific_journal-4591 63 11 pattern pattern NOUN american_scientific_journal-4591 63 12 , , PUNCT american_scientific_journal-4591 63 13 different different ADJ american_scientific_journal-4591 63 14 radiation radiation NOUN american_scientific_journal-4591 63 15 patterns pattern NOUN american_scientific_journal-4591 63 16 of of ADP american_scientific_journal-4591 63 17 the the DET american_scientific_journal-4591 63 18 antenna antenna NOUN american_scientific_journal-4591 63 19 with with ADP american_scientific_journal-4591 63 20 reflecting reflect VERB american_scientific_journal-4591 63 21 plane plane NOUN american_scientific_journal-4591 63 22 at at ADP american_scientific_journal-4591 63 23 various various ADJ american_scientific_journal-4591 63 24 frequencies frequency NOUN american_scientific_journal-4591 63 25 are be AUX american_scientific_journal-4591 63 26 depicted depict VERB american_scientific_journal-4591 63 27 in in ADP american_scientific_journal-4591 63 28 table table NOUN american_scientific_journal-4591 63 29 2 2 NUM american_scientific_journal-4591 63 30 . . PUNCT american_scientific_journal-4591 64 1 figure figure NOUN american_scientific_journal-4591 64 2 5 5 NUM american_scientific_journal-4591 64 3 : : PUNCT american_scientific_journal-4591 64 4 the the DET american_scientific_journal-4591 64 5 design design NOUN american_scientific_journal-4591 64 6 of of ADP american_scientific_journal-4591 64 7 the the DET american_scientific_journal-4591 64 8 modified modify VERB american_scientific_journal-4591 64 9 antenna antenna NOUN american_scientific_journal-4591 64 10 element element NOUN american_scientific_journal-4591 64 11 with with ADP american_scientific_journal-4591 64 12 reflecting reflect VERB american_scientific_journal-4591 64 13 plane plane NOUN american_scientific_journal-4591 64 14 placed place VERB american_scientific_journal-4591 64 15 at at ADP american_scientific_journal-4591 64 16 𝑑𝑑 𝑑𝑑 PROPN american_scientific_journal-4591 64 17 = = PUNCT american_scientific_journal-4591 65 1 50π‘šπ‘šπ‘šπ‘š 50π‘šπ‘šπ‘šπ‘š NUM american_scientific_journal-4591 65 2 from from ADP american_scientific_journal-4591 65 3 the the DET american_scientific_journal-4591 65 4 antenna antenna NOUN american_scientific_journal-4591 65 5 element element NOUN american_scientific_journal-4591 65 6 . . PUNCT american_scientific_journal-4591 66 1 american american ADJ american_scientific_journal-4591 66 2 scientific scientific ADJ american_scientific_journal-4591 66 3 research research PROPN american_scientific_journal-4591 66 4 journal journal NOUN american_scientific_journal-4591 66 5 for for ADP american_scientific_journal-4591 66 6 engineering engineering NOUN american_scientific_journal-4591 66 7 , , PUNCT american_scientific_journal-4591 66 8 technology technology NOUN american_scientific_journal-4591 66 9 , , PUNCT american_scientific_journal-4591 66 10 and and CCONJ american_scientific_journal-4591 66 11 sciences science NOUN american_scientific_journal-4591 66 12 ( ( PUNCT american_scientific_journal-4591 66 13 asrjets asrjet NOUN american_scientific_journal-4591 66 14 ) ) PUNCT american_scientific_journal-4591 66 15 ( ( PUNCT american_scientific_journal-4591 66 16 2019 2019 NUM american_scientific_journal-4591 66 17 ) ) PUNCT american_scientific_journal-4591 66 18 volume volume NOUN american_scientific_journal-4591 66 19 51 51 NUM american_scientific_journal-4591 66 20 , , PUNCT american_scientific_journal-4591 66 21 no no DET american_scientific_journal-4591 66 22 1 1 NUM american_scientific_journal-4591 66 23 , , PUNCT american_scientific_journal-4591 66 24 pp pp ADV american_scientific_journal-4591 66 25 56 56 NUM american_scientific_journal-4591 66 26 - - SYM american_scientific_journal-4591 66 27 65 65 NUM american_scientific_journal-4591 66 28 60 60 NUM american_scientific_journal-4591 66 29 figure figure NOUN american_scientific_journal-4591 66 30 6 6 NUM american_scientific_journal-4591 66 31 : : PUNCT american_scientific_journal-4591 66 32 the the DET american_scientific_journal-4591 66 33 scattering scatter VERB american_scientific_journal-4591 66 34 parameter parameter NOUN american_scientific_journal-4591 66 35 |𝑆𝑆11|of |𝑆𝑆11|of ADP american_scientific_journal-4591 66 36 the the DET american_scientific_journal-4591 66 37 modified modify VERB american_scientific_journal-4591 66 38 uwb uwb PROPN american_scientific_journal-4591 66 39 antenna antenna NOUN american_scientific_journal-4591 66 40 element element NOUN american_scientific_journal-4591 66 41 using use VERB american_scientific_journal-4591 66 42 the the DET american_scientific_journal-4591 66 43 cst cst PROPN american_scientific_journal-4591 66 44 microwave microwave PROPN american_scientific_journal-4591 66 45 studio studio PROPN american_scientific_journal-4591 66 46 . . PUNCT american_scientific_journal-4591 67 1 figure figure VERB american_scientific_journal-4591 67 2 7 7 NUM american_scientific_journal-4591 67 3 : : PUNCT american_scientific_journal-4591 67 4 the the DET american_scientific_journal-4591 67 5 radiation radiation NOUN american_scientific_journal-4591 67 6 efficiency efficiency NOUN american_scientific_journal-4591 67 7 of of ADP american_scientific_journal-4591 67 8 the the DET american_scientific_journal-4591 67 9 modified modify VERB american_scientific_journal-4591 67 10 uwb uwb PROPN american_scientific_journal-4591 67 11 antenna antenna NOUN american_scientific_journal-4591 67 12 element element NOUN american_scientific_journal-4591 67 13 using use VERB american_scientific_journal-4591 67 14 the the DET american_scientific_journal-4591 67 15 cst cst PROPN american_scientific_journal-4591 67 16 microwave microwave PROPN american_scientific_journal-4591 67 17 studio studio PROPN american_scientific_journal-4591 67 18 . . PUNCT american_scientific_journal-4591 68 1 figure figure VERB american_scientific_journal-4591 68 2 8 8 NUM american_scientific_journal-4591 68 3 : : PUNCT american_scientific_journal-4591 68 4 comparison comparison NOUN american_scientific_journal-4591 68 5 between between ADP american_scientific_journal-4591 68 6 the the DET american_scientific_journal-4591 68 7 calculated calculate VERB american_scientific_journal-4591 68 8 antenna antenna NOUN american_scientific_journal-4591 68 9 gains gain NOUN american_scientific_journal-4591 68 10 for for ADP american_scientific_journal-4591 68 11 the the DET american_scientific_journal-4591 68 12 proposed propose VERB american_scientific_journal-4591 68 13 antenna antenna NOUN american_scientific_journal-4591 68 14 with with ADP american_scientific_journal-4591 68 15 and and CCONJ american_scientific_journal-4591 68 16 without without ADP american_scientific_journal-4591 68 17 reflecting reflect VERB american_scientific_journal-4591 68 18 plane plane NOUN american_scientific_journal-4591 68 19 . . PUNCT american_scientific_journal-4591 69 1 american american PROPN american_scientific_journal-4591 69 2 scientific scientific ADJ american_scientific_journal-4591 69 3 research research PROPN american_scientific_journal-4591 69 4 journal journal NOUN american_scientific_journal-4591 69 5 for for ADP american_scientific_journal-4591 69 6 engineering engineering NOUN american_scientific_journal-4591 69 7 , , PUNCT american_scientific_journal-4591 69 8 technology technology NOUN american_scientific_journal-4591 69 9 , , PUNCT american_scientific_journal-4591 69 10 and and CCONJ american_scientific_journal-4591 69 11 sciences science NOUN american_scientific_journal-4591 69 12 ( ( PUNCT american_scientific_journal-4591 69 13 asrjets asrjet NOUN american_scientific_journal-4591 69 14 ) ) PUNCT american_scientific_journal-4591 69 15 ( ( PUNCT american_scientific_journal-4591 69 16 2019 2019 NUM american_scientific_journal-4591 69 17 ) ) PUNCT american_scientific_journal-4591 69 18 volume volume NOUN american_scientific_journal-4591 69 19 51 51 NUM american_scientific_journal-4591 69 20 , , PUNCT american_scientific_journal-4591 69 21 no no DET american_scientific_journal-4591 69 22 1 1 NUM american_scientific_journal-4591 69 23 , , PUNCT american_scientific_journal-4591 69 24 pp pp ADV american_scientific_journal-4591 69 25 56 56 NUM american_scientific_journal-4591 69 26 - - SYM american_scientific_journal-4591 69 27 65 65 NUM american_scientific_journal-4591 69 28 61 61 NUM american_scientific_journal-4591 69 29 table table NOUN american_scientific_journal-4591 69 30 2 2 NUM american_scientific_journal-4591 69 31 : : PUNCT american_scientific_journal-4591 69 32 radiation radiation NOUN american_scientific_journal-4591 69 33 patterns pattern NOUN american_scientific_journal-4591 69 34 of of ADP american_scientific_journal-4591 69 35 the the DET american_scientific_journal-4591 69 36 proposed propose VERB american_scientific_journal-4591 69 37 antennas antenna NOUN american_scientific_journal-4591 69 38 with with ADP american_scientific_journal-4591 69 39 and and CCONJ american_scientific_journal-4591 69 40 without without ADP american_scientific_journal-4591 69 41 reflecting reflect VERB american_scientific_journal-4591 69 42 plane plane NOUN american_scientific_journal-4591 69 43 at at ADP american_scientific_journal-4591 69 44 various various ADJ american_scientific_journal-4591 69 45 frequencies frequency NOUN american_scientific_journal-4591 69 46 frequency frequency NOUN american_scientific_journal-4591 69 47 ( ( PUNCT american_scientific_journal-4591 69 48 ghz ghz NOUN american_scientific_journal-4591 69 49 ) ) PUNCT american_scientific_journal-4591 69 50 field field NOUN american_scientific_journal-4591 69 51 pattern pattern NOUN american_scientific_journal-4591 69 52 at at ADP american_scientific_journal-4591 69 53 𝛷𝛷 𝛷𝛷 NOUN american_scientific_journal-4591 69 54 = = SYM american_scientific_journal-4591 69 55 0 0 NUM american_scientific_journal-4591 69 56 Β° Β° NOUN american_scientific_journal-4591 69 57 using use VERB american_scientific_journal-4591 69 58 reflector reflector NOUN american_scientific_journal-4591 69 59 field field NOUN american_scientific_journal-4591 69 60 pattern pattern NOUN american_scientific_journal-4591 69 61 at at ADP american_scientific_journal-4591 69 62 𝛷𝛷 𝛷𝛷 NOUN american_scientific_journal-4591 69 63 = = NOUN american_scientific_journal-4591 69 64 0 0 NUM american_scientific_journal-4591 69 65 Β° Β° NOUN american_scientific_journal-4591 69 66 without without ADP american_scientific_journal-4591 69 67 reflector reflector NOUN american_scientific_journal-4591 69 68 1 1 NUM american_scientific_journal-4591 69 69 2.1 2.1 NUM american_scientific_journal-4591 69 70 3.2 3.2 NUM american_scientific_journal-4591 69 71 4.3 4.3 NUM american_scientific_journal-4591 69 72 american american PROPN american_scientific_journal-4591 69 73 scientific scientific ADJ american_scientific_journal-4591 69 74 research research NOUN american_scientific_journal-4591 69 75 journal journal NOUN american_scientific_journal-4591 69 76 for for ADP american_scientific_journal-4591 69 77 engineering engineering NOUN american_scientific_journal-4591 69 78 , , PUNCT american_scientific_journal-4591 69 79 technology technology NOUN american_scientific_journal-4591 69 80 , , PUNCT american_scientific_journal-4591 69 81 and and CCONJ american_scientific_journal-4591 69 82 sciences science NOUN american_scientific_journal-4591 69 83 ( ( PUNCT american_scientific_journal-4591 69 84 asrjets asrjet NOUN american_scientific_journal-4591 69 85 ) ) PUNCT american_scientific_journal-4591 69 86 ( ( PUNCT american_scientific_journal-4591 69 87 2019 2019 NUM american_scientific_journal-4591 69 88 ) ) PUNCT american_scientific_journal-4591 69 89 volume volume NOUN american_scientific_journal-4591 69 90 51 51 NUM american_scientific_journal-4591 69 91 , , PUNCT american_scientific_journal-4591 69 92 no no DET american_scientific_journal-4591 69 93 1 1 NUM american_scientific_journal-4591 69 94 , , PUNCT american_scientific_journal-4591 69 95 pp pp ADV american_scientific_journal-4591 69 96 56 56 NUM american_scientific_journal-4591 69 97 - - SYM american_scientific_journal-4591 69 98 65 65 NUM american_scientific_journal-4591 69 99 62 62 NUM american_scientific_journal-4591 69 100 frequency frequency NOUN american_scientific_journal-4591 69 101 ( ( PUNCT american_scientific_journal-4591 69 102 ghz ghz NOUN american_scientific_journal-4591 69 103 ) ) PUNCT american_scientific_journal-4591 69 104 field field NOUN american_scientific_journal-4591 69 105 pattern pattern NOUN american_scientific_journal-4591 69 106 at at ADP american_scientific_journal-4591 69 107 𝛷𝛷 𝛷𝛷 NOUN american_scientific_journal-4591 69 108 = = SYM american_scientific_journal-4591 69 109 0 0 NUM american_scientific_journal-4591 69 110 Β° Β° NOUN american_scientific_journal-4591 69 111 using use VERB american_scientific_journal-4591 69 112 reflector reflector NOUN american_scientific_journal-4591 69 113 field field NOUN american_scientific_journal-4591 69 114 pattern pattern NOUN american_scientific_journal-4591 69 115 at at ADP american_scientific_journal-4591 69 116 𝛷𝛷 𝛷𝛷 NOUN american_scientific_journal-4591 69 117 = = NOUN american_scientific_journal-4591 69 118 0 0 NUM american_scientific_journal-4591 69 119 Β° Β° NOUN american_scientific_journal-4591 69 120 without without ADP american_scientific_journal-4591 69 121 reflector reflector NOUN american_scientific_journal-4591 69 122 5.4 5.4 NUM american_scientific_journal-4591 69 123 6.5 6.5 NUM american_scientific_journal-4591 69 124 7.6 7.6 NUM american_scientific_journal-4591 69 125 8.7 8.7 NUM american_scientific_journal-4591 69 126 american american PROPN american_scientific_journal-4591 69 127 scientific scientific ADJ american_scientific_journal-4591 69 128 research research NOUN american_scientific_journal-4591 69 129 journal journal NOUN american_scientific_journal-4591 69 130 for for ADP american_scientific_journal-4591 69 131 engineering engineering NOUN american_scientific_journal-4591 69 132 , , PUNCT american_scientific_journal-4591 69 133 technology technology NOUN american_scientific_journal-4591 69 134 , , PUNCT american_scientific_journal-4591 69 135 and and CCONJ american_scientific_journal-4591 69 136 sciences science NOUN american_scientific_journal-4591 69 137 ( ( PUNCT american_scientific_journal-4591 69 138 asrjets asrjet NOUN american_scientific_journal-4591 69 139 ) ) PUNCT american_scientific_journal-4591 69 140 ( ( PUNCT american_scientific_journal-4591 69 141 2019 2019 NUM american_scientific_journal-4591 69 142 ) ) PUNCT american_scientific_journal-4591 69 143 volume volume NOUN american_scientific_journal-4591 69 144 51 51 NUM american_scientific_journal-4591 69 145 , , PUNCT american_scientific_journal-4591 69 146 no no DET american_scientific_journal-4591 69 147 1 1 NUM american_scientific_journal-4591 69 148 , , PUNCT american_scientific_journal-4591 69 149 pp pp ADV american_scientific_journal-4591 69 150 56 56 NUM american_scientific_journal-4591 69 151 - - SYM american_scientific_journal-4591 69 152 65 65 NUM american_scientific_journal-4591 69 153 63 63 NUM american_scientific_journal-4591 69 154 frequency frequency NOUN american_scientific_journal-4591 69 155 ( ( PUNCT american_scientific_journal-4591 69 156 ghz ghz NOUN american_scientific_journal-4591 69 157 ) ) PUNCT american_scientific_journal-4591 69 158 field field NOUN american_scientific_journal-4591 69 159 pattern pattern NOUN american_scientific_journal-4591 69 160 at at ADP american_scientific_journal-4591 69 161 𝛷𝛷 𝛷𝛷 NOUN american_scientific_journal-4591 69 162 = = SYM american_scientific_journal-4591 69 163 0 0 NUM american_scientific_journal-4591 69 164 Β° Β° NOUN american_scientific_journal-4591 69 165 using use VERB american_scientific_journal-4591 69 166 reflector reflector NOUN american_scientific_journal-4591 69 167 field field NOUN american_scientific_journal-4591 69 168 pattern pattern NOUN american_scientific_journal-4591 69 169 at at ADP american_scientific_journal-4591 69 170 𝛷𝛷 𝛷𝛷 NOUN american_scientific_journal-4591 69 171 = = NOUN american_scientific_journal-4591 69 172 0 0 NUM american_scientific_journal-4591 69 173 Β° Β° NOUN american_scientific_journal-4591 69 174 without without ADP american_scientific_journal-4591 69 175 reflector reflector NOUN american_scientific_journal-4591 69 176 9.8 9.8 NUM american_scientific_journal-4591 69 177 10.9 10.9 NUM american_scientific_journal-4591 69 178 12 12 NUM american_scientific_journal-4591 69 179 4 4 NUM american_scientific_journal-4591 69 180 . . PUNCT american_scientific_journal-4591 69 181 fabrication fabrication NOUN american_scientific_journal-4591 69 182 and and CCONJ american_scientific_journal-4591 69 183 measurement measurement NOUN american_scientific_journal-4591 69 184 of of ADP american_scientific_journal-4591 69 185 the the DET american_scientific_journal-4591 69 186 proposed propose VERB american_scientific_journal-4591 69 187 antenna antenna NOUN american_scientific_journal-4591 69 188 in in ADP american_scientific_journal-4591 69 189 this this DET american_scientific_journal-4591 69 190 section section NOUN american_scientific_journal-4591 69 191 , , PUNCT american_scientific_journal-4591 69 192 the the DET american_scientific_journal-4591 69 193 fabrication fabrication NOUN american_scientific_journal-4591 69 194 and and CCONJ american_scientific_journal-4591 69 195 measurements measurement NOUN american_scientific_journal-4591 69 196 of of ADP american_scientific_journal-4591 69 197 the the DET american_scientific_journal-4591 69 198 proposed propose VERB american_scientific_journal-4591 69 199 antenna antenna NOUN american_scientific_journal-4591 69 200 are be AUX american_scientific_journal-4591 69 201 introduced introduce VERB american_scientific_journal-4591 69 202 . . PUNCT american_scientific_journal-4591 70 1 the the DET american_scientific_journal-4591 70 2 antenna antenna NOUN american_scientific_journal-4591 70 3 is be AUX american_scientific_journal-4591 70 4 fabricated fabricate VERB american_scientific_journal-4591 70 5 on on ADP american_scientific_journal-4591 70 6 the the DET american_scientific_journal-4591 70 7 aforementioned aforementioned ADJ american_scientific_journal-4591 70 8 substrate substrate NOUN american_scientific_journal-4591 70 9 and and CCONJ american_scientific_journal-4591 70 10 reflecting reflect VERB american_scientific_journal-4591 70 11 plane plane NOUN american_scientific_journal-4591 70 12 as as SCONJ american_scientific_journal-4591 70 13 shown show VERB american_scientific_journal-4591 70 14 in in ADP american_scientific_journal-4591 70 15 figure figure NOUN american_scientific_journal-4591 70 16 ( ( PUNCT american_scientific_journal-4591 70 17 9 9 NUM american_scientific_journal-4591 70 18 ) ) PUNCT american_scientific_journal-4591 70 19 . . PUNCT american_scientific_journal-4591 71 1 the the DET american_scientific_journal-4591 71 2 scattering scatter VERB american_scientific_journal-4591 71 3 parameter parameter NOUN american_scientific_journal-4591 71 4 |𝑆𝑆11|of |𝑆𝑆11|of ADP american_scientific_journal-4591 71 5 the the DET american_scientific_journal-4591 71 6 fabricated fabricate VERB american_scientific_journal-4591 71 7 antenna antenna NOUN american_scientific_journal-4591 71 8 is be AUX american_scientific_journal-4591 71 9 measured measure VERB american_scientific_journal-4591 71 10 using use VERB american_scientific_journal-4591 71 11 rohde rohde PROPN american_scientific_journal-4591 71 12 & & CCONJ american_scientific_journal-4591 71 13 schwarz schwarz PROPN american_scientific_journal-4591 71 14 zvl20 zvl20 PROPN american_scientific_journal-4591 71 15 network network NOUN american_scientific_journal-4591 71 16 analyzer analyzer NOUN american_scientific_journal-4591 71 17 as as SCONJ american_scientific_journal-4591 71 18 shown show VERB american_scientific_journal-4591 71 19 in in ADP american_scientific_journal-4591 71 20 figure figure NOUN american_scientific_journal-4591 71 21 ( ( PUNCT american_scientific_journal-4591 71 22 10 10 NUM american_scientific_journal-4591 71 23 ) ) PUNCT american_scientific_journal-4591 71 24 . . PUNCT american_scientific_journal-4591 72 1 also also ADV american_scientific_journal-4591 72 2 , , PUNCT american_scientific_journal-4591 72 3 figure figure NOUN american_scientific_journal-4591 72 4 ( ( PUNCT american_scientific_journal-4591 72 5 10 10 NUM american_scientific_journal-4591 72 6 ) ) PUNCT american_scientific_journal-4591 72 7 shows show VERB american_scientific_journal-4591 72 8 a a DET american_scientific_journal-4591 72 9 comparison comparison NOUN american_scientific_journal-4591 72 10 between between ADP american_scientific_journal-4591 72 11 the the DET american_scientific_journal-4591 72 12 simulated simulate VERB american_scientific_journal-4591 72 13 and and CCONJ american_scientific_journal-4591 72 14 measured measured ADJ american_scientific_journal-4591 72 15 scattering scatter VERB american_scientific_journal-4591 72 16 parameters parameter NOUN american_scientific_journal-4591 72 17 for for ADP american_scientific_journal-4591 72 18 the the DET american_scientific_journal-4591 72 19 proposed propose VERB american_scientific_journal-4591 72 20 antenna antenna NOUN american_scientific_journal-4591 72 21 . . PUNCT american_scientific_journal-4591 73 1 the the DET american_scientific_journal-4591 73 2 results result NOUN american_scientific_journal-4591 73 3 revealed reveal VERB american_scientific_journal-4591 73 4 that that SCONJ american_scientific_journal-4591 73 5 the the DET american_scientific_journal-4591 73 6 simulated simulate VERB american_scientific_journal-4591 73 7 and and CCONJ american_scientific_journal-4591 73 8 measured measured ADJ american_scientific_journal-4591 73 9 parameters parameter NOUN american_scientific_journal-4591 73 10 are be AUX american_scientific_journal-4591 73 11 highly highly ADV american_scientific_journal-4591 73 12 coincided coincide VERB american_scientific_journal-4591 73 13 . . PUNCT american_scientific_journal-4591 74 1 american american ADJ american_scientific_journal-4591 74 2 scientific scientific ADJ american_scientific_journal-4591 74 3 research research PROPN american_scientific_journal-4591 74 4 journal journal NOUN american_scientific_journal-4591 74 5 for for ADP american_scientific_journal-4591 74 6 engineering engineering NOUN american_scientific_journal-4591 74 7 , , PUNCT american_scientific_journal-4591 74 8 technology technology NOUN american_scientific_journal-4591 74 9 , , PUNCT american_scientific_journal-4591 74 10 and and CCONJ american_scientific_journal-4591 74 11 sciences science NOUN american_scientific_journal-4591 74 12 ( ( PUNCT american_scientific_journal-4591 74 13 asrjets asrjet NOUN american_scientific_journal-4591 74 14 ) ) PUNCT american_scientific_journal-4591 74 15 ( ( PUNCT american_scientific_journal-4591 74 16 2019 2019 NUM american_scientific_journal-4591 74 17 ) ) PUNCT american_scientific_journal-4591 74 18 volume volume NOUN american_scientific_journal-4591 74 19 51 51 NUM american_scientific_journal-4591 74 20 , , PUNCT american_scientific_journal-4591 74 21 no no DET american_scientific_journal-4591 74 22 1 1 NUM american_scientific_journal-4591 74 23 , , PUNCT american_scientific_journal-4591 74 24 pp pp ADV american_scientific_journal-4591 74 25 56 56 NUM american_scientific_journal-4591 74 26 - - SYM american_scientific_journal-4591 74 27 65 65 NUM american_scientific_journal-4591 74 28 64 64 NUM american_scientific_journal-4591 74 29 figure figure NOUN american_scientific_journal-4591 74 30 9 9 NUM american_scientific_journal-4591 74 31 : : PUNCT american_scientific_journal-4591 74 32 the the DET american_scientific_journal-4591 74 33 fabricated fabricate VERB american_scientific_journal-4591 74 34 uwb uwb NOUN american_scientific_journal-4591 74 35 antenna antenna NOUN american_scientific_journal-4591 74 36 . . PUNCT american_scientific_journal-4591 75 1 figure figure VERB american_scientific_journal-4591 75 2 10 10 NUM american_scientific_journal-4591 75 3 : : PUNCT american_scientific_journal-4591 75 4 comparison comparison NOUN american_scientific_journal-4591 75 5 between between ADP american_scientific_journal-4591 75 6 the the DET american_scientific_journal-4591 75 7 measured measure VERB american_scientific_journal-4591 75 8 and and CCONJ american_scientific_journal-4591 75 9 simulated simulated ADJ american_scientific_journal-4591 75 10 scattering scattering NOUN american_scientific_journal-4591 75 11 parameter parameter NOUN american_scientific_journal-4591 75 12 |𝑆𝑆11| |𝑆𝑆11| NOUN american_scientific_journal-4591 75 13 of of ADP american_scientific_journal-4591 75 14 the the DET american_scientific_journal-4591 75 15 modified modify VERB american_scientific_journal-4591 75 16 uwb uwb PROPN american_scientific_journal-4591 75 17 antenna antenna NOUN american_scientific_journal-4591 75 18 element element NOUN american_scientific_journal-4591 75 19 . . PUNCT american_scientific_journal-4591 76 1 5 5 X american_scientific_journal-4591 76 2 . . X american_scientific_journal-4591 76 3 conclusion conclusion NOUN american_scientific_journal-4591 76 4 in in ADP american_scientific_journal-4591 76 5 this this DET american_scientific_journal-4591 76 6 paper paper NOUN american_scientific_journal-4591 76 7 , , PUNCT american_scientific_journal-4591 76 8 a a DET american_scientific_journal-4591 76 9 small small ADJ american_scientific_journal-4591 76 10 antenna antenna NOUN american_scientific_journal-4591 76 11 with with ADP american_scientific_journal-4591 76 12 circular circular ADJ american_scientific_journal-4591 76 13 radiating radiating NOUN american_scientific_journal-4591 76 14 patch patch NOUN american_scientific_journal-4591 76 15 and and CCONJ american_scientific_journal-4591 76 16 defected defect VERB american_scientific_journal-4591 76 17 ground ground NOUN american_scientific_journal-4591 76 18 structure structure NOUN american_scientific_journal-4591 76 19 for for ADP american_scientific_journal-4591 76 20 uwb uwb NOUN american_scientific_journal-4591 76 21 applications application NOUN american_scientific_journal-4591 76 22 is be AUX american_scientific_journal-4591 76 23 introduced introduce VERB american_scientific_journal-4591 76 24 to to PART american_scientific_journal-4591 76 25 overcome overcome VERB american_scientific_journal-4591 76 26 the the DET american_scientific_journal-4591 76 27 gain gain NOUN american_scientific_journal-4591 76 28 problem problem NOUN american_scientific_journal-4591 76 29 of of ADP american_scientific_journal-4591 76 30 the the DET american_scientific_journal-4591 76 31 traditional traditional ADJ american_scientific_journal-4591 76 32 wide wide ADJ american_scientific_journal-4591 76 33 slot slot NOUN american_scientific_journal-4591 76 34 defected defect VERB american_scientific_journal-4591 76 35 ground ground NOUN american_scientific_journal-4591 76 36 antenna antenna NOUN american_scientific_journal-4591 76 37 by by ADP american_scientific_journal-4591 76 38 placing place VERB american_scientific_journal-4591 76 39 a a DET american_scientific_journal-4591 76 40 large large ADJ american_scientific_journal-4591 76 41 reflecting reflect VERB american_scientific_journal-4591 76 42 plane plane NOUN american_scientific_journal-4591 76 43 at at ADP american_scientific_journal-4591 76 44 a a DET american_scientific_journal-4591 76 45 specific specific ADJ american_scientific_journal-4591 76 46 distance distance NOUN american_scientific_journal-4591 76 47 from from ADP american_scientific_journal-4591 76 48 the the DET american_scientific_journal-4591 76 49 antenna antenna NOUN american_scientific_journal-4591 76 50 . . PUNCT american_scientific_journal-4591 77 1 the the DET american_scientific_journal-4591 77 2 proposed propose VERB american_scientific_journal-4591 77 3 antenna antenna NOUN american_scientific_journal-4591 77 4 provides provide VERB american_scientific_journal-4591 77 5 uwb uwb NOUN american_scientific_journal-4591 77 6 frequency frequency NOUN american_scientific_journal-4591 77 7 range range NOUN american_scientific_journal-4591 77 8 from from ADP american_scientific_journal-4591 77 9 1.17 1.17 NUM american_scientific_journal-4591 77 10 ghz ghz NOUN american_scientific_journal-4591 77 11 to to ADP american_scientific_journal-4591 77 12 more more ADJ american_scientific_journal-4591 77 13 than than ADP american_scientific_journal-4591 77 14 12 12 NUM american_scientific_journal-4591 77 15 ghz ghz NOUN american_scientific_journal-4591 77 16 . . PUNCT american_scientific_journal-4591 78 1 the the DET american_scientific_journal-4591 78 2 antenna antenna NOUN american_scientific_journal-4591 78 3 is be AUX american_scientific_journal-4591 78 4 designed design VERB american_scientific_journal-4591 78 5 using use VERB american_scientific_journal-4591 78 6 the the DET american_scientific_journal-4591 78 7 cst cst PROPN american_scientific_journal-4591 78 8 microwave microwave PROPN american_scientific_journal-4591 78 9 studio studio PROPN american_scientific_journal-4591 78 10 software software NOUN american_scientific_journal-4591 78 11 using use VERB american_scientific_journal-4591 78 12 low low ADJ american_scientific_journal-4591 78 13 cost cost NOUN american_scientific_journal-4591 78 14 fr4 fr4 NOUN american_scientific_journal-4591 78 15 ( ( PUNCT american_scientific_journal-4591 78 16 lossy lossy ADJ american_scientific_journal-4591 78 17 ) ) PUNCT american_scientific_journal-4591 78 18 substrate substrate NOUN american_scientific_journal-4591 78 19 with with ADP american_scientific_journal-4591 78 20 πœ€πœ€π‘Ÿπ‘Ÿ πœ€πœ€π‘Ÿπ‘Ÿ NOUN american_scientific_journal-4591 79 1 = = SYM american_scientific_journal-4591 79 2 4.3 4.3 NUM american_scientific_journal-4591 79 3 and and CCONJ american_scientific_journal-4591 79 4 β„Ž β„Ž PROPN american_scientific_journal-4591 80 1 = = SYM american_scientific_journal-4591 80 2 1.6 1.6 NUM american_scientific_journal-4591 80 3 π‘šπ‘šπ‘šπ‘š. π‘šπ‘šπ‘šπ‘š. NOUN american_scientific_journal-4591 80 4 compared compare VERB american_scientific_journal-4591 80 5 to to ADP american_scientific_journal-4591 80 6 the the DET american_scientific_journal-4591 80 7 ordinary ordinary ADJ american_scientific_journal-4591 80 8 antenna antenna NOUN american_scientific_journal-4591 80 9 , , PUNCT american_scientific_journal-4591 80 10 the the DET american_scientific_journal-4591 80 11 modified modify VERB american_scientific_journal-4591 80 12 antenna antenna NOUN american_scientific_journal-4591 80 13 provides provide VERB american_scientific_journal-4591 80 14 positive positive ADJ american_scientific_journal-4591 80 15 gain gain NOUN american_scientific_journal-4591 80 16 over over ADP american_scientific_journal-4591 80 17 the the DET american_scientific_journal-4591 80 18 entire entire ADJ american_scientific_journal-4591 80 19 operating operating NOUN american_scientific_journal-4591 80 20 frequency frequency NOUN american_scientific_journal-4591 80 21 range range NOUN american_scientific_journal-4591 80 22 . . PUNCT american_scientific_journal-4591 81 1 the the DET american_scientific_journal-4591 81 2 simulation simulation NOUN american_scientific_journal-4591 81 3 results result NOUN american_scientific_journal-4591 81 4 and and CCONJ american_scientific_journal-4591 81 5 measurements measurement NOUN american_scientific_journal-4591 81 6 revealed reveal VERB american_scientific_journal-4591 81 7 that that SCONJ american_scientific_journal-4591 81 8 the the DET american_scientific_journal-4591 81 9 proposed propose VERB american_scientific_journal-4591 81 10 uwb uwb NOUN american_scientific_journal-4591 81 11 antenna antenna NOUN american_scientific_journal-4591 81 12 has have AUX american_scientific_journal-4591 81 13 achieved achieve VERB american_scientific_journal-4591 81 14 good good ADJ american_scientific_journal-4591 81 15 gain gain NOUN american_scientific_journal-4591 81 16 - - PUNCT american_scientific_journal-4591 81 17 bandwidth bandwidth NOUN american_scientific_journal-4591 81 18 characteristics characteristic NOUN american_scientific_journal-4591 81 19 . . PUNCT american_scientific_journal-4591 82 1 american american ADJ american_scientific_journal-4591 82 2 scientific scientific ADJ american_scientific_journal-4591 82 3 research research PROPN american_scientific_journal-4591 82 4 journal journal NOUN american_scientific_journal-4591 82 5 for for ADP american_scientific_journal-4591 82 6 engineering engineering NOUN american_scientific_journal-4591 82 7 , , PUNCT american_scientific_journal-4591 82 8 technology technology NOUN american_scientific_journal-4591 82 9 , , PUNCT american_scientific_journal-4591 82 10 and and CCONJ american_scientific_journal-4591 82 11 sciences science NOUN american_scientific_journal-4591 82 12 ( ( PUNCT american_scientific_journal-4591 82 13 asrjets asrjet NOUN american_scientific_journal-4591 82 14 ) ) PUNCT american_scientific_journal-4591 82 15 ( ( PUNCT american_scientific_journal-4591 82 16 2019 2019 NUM american_scientific_journal-4591 82 17 ) ) PUNCT american_scientific_journal-4591 82 18 volume volume NOUN american_scientific_journal-4591 82 19 51 51 NUM american_scientific_journal-4591 82 20 , , PUNCT american_scientific_journal-4591 82 21 no no DET american_scientific_journal-4591 82 22 1 1 NUM american_scientific_journal-4591 82 23 , , PUNCT american_scientific_journal-4591 82 24 pp pp ADV american_scientific_journal-4591 82 25 56 56 NUM american_scientific_journal-4591 82 26 - - SYM american_scientific_journal-4591 82 27 65 65 NUM american_scientific_journal-4591 82 28 65 65 NUM american_scientific_journal-4591 82 29 references reference NOUN american_scientific_journal-4591 82 30 [ [ X american_scientific_journal-4591 82 31 1 1 NUM american_scientific_journal-4591 82 32 ] ] X american_scientific_journal-4591 82 33 fcc fcc PROPN american_scientific_journal-4591 82 34 , , PUNCT american_scientific_journal-4591 82 35 first first ADJ american_scientific_journal-4591 82 36 report report NOUN american_scientific_journal-4591 82 37 and and CCONJ american_scientific_journal-4591 82 38 order order NOUN american_scientific_journal-4591 82 39 , , PUNCT american_scientific_journal-4591 82 40 fcc02 fcc02 PROPN american_scientific_journal-4591 82 41 - - NUM american_scientific_journal-4591 82 42 48 48 NUM american_scientific_journal-4591 82 43 , , PUNCT american_scientific_journal-4591 82 44 feb14:2002 feb14:2002 PROPN american_scientific_journal-4591 82 45 . . PUNCT american_scientific_journal-4591 83 1 [ [ X american_scientific_journal-4591 83 2 2 2 NUM american_scientific_journal-4591 83 3 ] ] PUNCT american_scientific_journal-4591 83 4 m. m. NOUN american_scientific_journal-4591 83 5 ali ali PROPN american_scientific_journal-4591 83 6 bakhshi bakhshi PROPN american_scientific_journal-4591 83 7 kenari kenari PROPN american_scientific_journal-4591 83 8 , , PUNCT american_scientific_journal-4591 83 9 m. m. NOUN american_scientific_journal-4591 83 10 naser naser PROPN american_scientific_journal-4591 83 11 moghadasi moghadasi PROPN american_scientific_journal-4591 83 12 , , PUNCT american_scientific_journal-4591 83 13 r. r. PROPN american_scientific_journal-4591 83 14 a. a. PROPN american_scientific_journal-4591 83 15 sadeghzadah,”bandwidth sadeghzadah,”bandwidth PROPN american_scientific_journal-4591 83 16 and and CCONJ american_scientific_journal-4591 83 17 radiation radiation NOUN american_scientific_journal-4591 83 18 specifications specification NOUN american_scientific_journal-4591 83 19 enhancement enhancement NOUN american_scientific_journal-4591 83 20 of of ADP american_scientific_journal-4591 83 21 monopole monopole NOUN american_scientific_journal-4591 83 22 antennas antenna NOUN american_scientific_journal-4591 83 23 loaded load VERB american_scientific_journal-4591 83 24 with with ADP american_scientific_journal-4591 83 25 split split ADJ american_scientific_journal-4591 83 26 ring ring NOUN american_scientific_journal-4591 83 27 resonators resonator NOUN american_scientific_journal-4591 83 28 ” " PUNCT american_scientific_journal-4591 83 29 , , PUNCT american_scientific_journal-4591 83 30 iet iet PROPN american_scientific_journal-4591 83 31 microwave microwave PROPN american_scientific_journal-4591 83 32 antennas antennas PROPN american_scientific_journal-4591 83 33 propagation propagation NOUN american_scientific_journal-4591 83 34 , , PUNCT american_scientific_journal-4591 83 35 vol vol NOUN american_scientific_journal-4591 83 36 . . NOUN american_scientific_journal-4591 83 37 9 9 NUM american_scientific_journal-4591 83 38 , , PUNCT american_scientific_journal-4591 83 39 no no INTJ american_scientific_journal-4591 83 40 . . NOUN american_scientific_journal-4591 83 41 14 14 NUM american_scientific_journal-4591 83 42 , , PUNCT american_scientific_journal-4591 83 43 pp pp ADJ american_scientific_journal-4591 83 44 . . PUNCT american_scientific_journal-4591 83 45 1487–1496 1487–1496 NUM american_scientific_journal-4591 83 46 , , PUNCT american_scientific_journal-4591 83 47 2015 2015 NUM american_scientific_journal-4591 83 48 . . PUNCT american_scientific_journal-4591 84 1 [ [ X american_scientific_journal-4591 84 2 3 3 X american_scientific_journal-4591 84 3 ] ] X american_scientific_journal-4591 84 4 o. o. PROPN american_scientific_journal-4591 84 5 ahmed ahmed PROPN american_scientific_journal-4591 84 6 , , PUNCT american_scientific_journal-4591 84 7 a. a. PROPN american_scientific_journal-4591 84 8 r. r. PROPN american_scientific_journal-4591 84 9 sebak,”a sebak,”a PROPN american_scientific_journal-4591 84 10 printed print VERB american_scientific_journal-4591 84 11 monopole monopole ADJ american_scientific_journal-4591 84 12 antenna antenna NOUN american_scientific_journal-4591 84 13 with with ADP american_scientific_journal-4591 84 14 two two NUM american_scientific_journal-4591 84 15 steps step NOUN american_scientific_journal-4591 84 16 and and CCONJ american_scientific_journal-4591 84 17 a a DET american_scientific_journal-4591 84 18 circular circular ADJ american_scientific_journal-4591 84 19 slot slot NOUN american_scientific_journal-4591 84 20 for for ADP american_scientific_journal-4591 84 21 uwb uwb PROPN american_scientific_journal-4591 84 22 applications application NOUN american_scientific_journal-4591 84 23 ” " PUNCT american_scientific_journal-4591 84 24 , , PUNCT american_scientific_journal-4591 84 25 ieee ieee NOUN american_scientific_journal-4591 84 26 antenna antenna NOUN american_scientific_journal-4591 84 27 wirel wirel PROPN american_scientific_journal-4591 84 28 propag propag PROPN american_scientific_journal-4591 84 29 lett lett PROPN american_scientific_journal-4591 84 30 , , PUNCT american_scientific_journal-4591 84 31 vol vol NOUN american_scientific_journal-4591 84 32 . . PROPN american_scientific_journal-4591 85 1 7 7 NUM american_scientific_journal-4591 85 2 : : PUNCT american_scientific_journal-4591 85 3 pp pp ADJ american_scientific_journal-4591 85 4 . . PUNCT american_scientific_journal-4591 86 1 411–413 411–413 NUM american_scientific_journal-4591 86 2 , , PUNCT american_scientific_journal-4591 86 3 2008 2008 NUM american_scientific_journal-4591 86 4 . . PUNCT american_scientific_journal-4591 87 1 [ [ X american_scientific_journal-4591 87 2 4 4 X american_scientific_journal-4591 87 3 ] ] PUNCT american_scientific_journal-4591 87 4 m. m. NOUN american_scientific_journal-4591 87 5 ali ali PROPN american_scientific_journal-4591 87 6 bakhshi bakhshi PROPN american_scientific_journal-4591 87 7 kenari kenari PROPN american_scientific_journal-4591 87 8 , , PUNCT american_scientific_journal-4591 87 9 m. m. PROPN american_scientific_journal-4591 87 10 naser naser PROPN american_scientific_journal-4591 87 11 moghadasi,”novel moghadasi,”novel PROPN american_scientific_journal-4591 87 12 uwb uwb PROPN american_scientific_journal-4591 87 13 miniaturized miniaturize VERB american_scientific_journal-4591 87 14 integrated integrate VERB american_scientific_journal-4591 87 15 antenna antenna NOUN american_scientific_journal-4591 87 16 based base VERB american_scientific_journal-4591 87 17 on on ADP american_scientific_journal-4591 87 18 crlh crlh ADJ american_scientific_journal-4591 87 19 metamaterial metamaterial ADJ american_scientific_journal-4591 87 20 transmission transmission NOUN american_scientific_journal-4591 87 21 lines line NOUN american_scientific_journal-4591 87 22 ” " PUNCT american_scientific_journal-4591 87 23 , , PUNCT american_scientific_journal-4591 87 24 aeue aeue NOUN american_scientific_journal-4591 87 25 – – PUNCT american_scientific_journal-4591 87 26 int int NOUN american_scientific_journal-4591 87 27 j j PROPN american_scientific_journal-4591 87 28 electron electron PROPN american_scientific_journal-4591 87 29 commun commun PROPN american_scientific_journal-4591 87 30 , , PUNCT american_scientific_journal-4591 87 31 vol vol NOUN american_scientific_journal-4591 87 32 . . PROPN american_scientific_journal-4591 88 1 69 69 NUM american_scientific_journal-4591 88 2 , , PUNCT american_scientific_journal-4591 88 3 no no INTJ american_scientific_journal-4591 88 4 . . NOUN american_scientific_journal-4591 88 5 8 8 NUM american_scientific_journal-4591 88 6 , , PUNCT american_scientific_journal-4591 88 7 pp pp ADJ american_scientific_journal-4591 88 8 . . PUNCT american_scientific_journal-4591 89 1 1143 1143 NUM american_scientific_journal-4591 89 2 – – PUNCT american_scientific_journal-4591 89 3 1149 1149 NUM american_scientific_journal-4591 89 4 , , PUNCT american_scientific_journal-4591 89 5 2015 2015 NUM american_scientific_journal-4591 89 6 . . PUNCT american_scientific_journal-4591 90 1 [ [ X american_scientific_journal-4591 90 2 5 5 X american_scientific_journal-4591 90 3 ] ] PUNCT american_scientific_journal-4591 90 4 r. r. PROPN american_scientific_journal-4591 90 5 azim azim PROPN american_scientific_journal-4591 90 6 , , PUNCT american_scientific_journal-4591 90 7 m. m. NOUN american_scientific_journal-4591 90 8 t. t. PROPN american_scientific_journal-4591 90 9 islam islam PROPN american_scientific_journal-4591 90 10 , , PUNCT american_scientific_journal-4591 90 11 n. n. PROPN american_scientific_journal-4591 90 12 misran misran PROPN american_scientific_journal-4591 90 13 , , PUNCT american_scientific_journal-4591 90 14 ” " PUNCT american_scientific_journal-4591 90 15 compact compact ADJ american_scientific_journal-4591 90 16 tapered taper VERB american_scientific_journal-4591 90 17 shape shape NOUN american_scientific_journal-4591 90 18 slot slot NOUN american_scientific_journal-4591 90 19 antenna antenna NOUN american_scientific_journal-4591 90 20 for for ADP american_scientific_journal-4591 90 21 uwb uwb PROPN american_scientific_journal-4591 90 22 applications application NOUN american_scientific_journal-4591 90 23 ” " PUNCT american_scientific_journal-4591 90 24 , , PUNCT american_scientific_journal-4591 90 25 ieee ieee NOUN american_scientific_journal-4591 90 26 antenna antenna NOUN american_scientific_journal-4591 90 27 wirel wirel PROPN american_scientific_journal-4591 90 28 propag propag PROPN american_scientific_journal-4591 90 29 lett lett PROPN american_scientific_journal-4591 90 30 , , PUNCT american_scientific_journal-4591 90 31 vol vol NOUN american_scientific_journal-4591 90 32 . . PROPN american_scientific_journal-4591 90 33 10 10 NUM american_scientific_journal-4591 90 34 , , PUNCT american_scientific_journal-4591 90 35 pp pp ADJ american_scientific_journal-4591 90 36 . . PUNCT american_scientific_journal-4591 90 37 1190–1193 1190–1193 NUM american_scientific_journal-4591 90 38 , , PUNCT american_scientific_journal-4591 90 39 2011 2011 NUM american_scientific_journal-4591 90 40 . . PUNCT american_scientific_journal-4591 91 1 [ [ X american_scientific_journal-4591 91 2 6 6 NUM american_scientific_journal-4591 91 3 ] ] PUNCT american_scientific_journal-4591 91 4 s. s. PROPN american_scientific_journal-4591 91 5 de de PROPN american_scientific_journal-4591 91 6 , , PUNCT american_scientific_journal-4591 91 7 p. p. NOUN american_scientific_journal-4591 91 8 p. p. NOUN american_scientific_journal-4591 92 1 sarkar,”a sarkar,”a PROPN american_scientific_journal-4591 92 2 high high ADJ american_scientific_journal-4591 92 3 gain gain VERB american_scientific_journal-4591 92 4 ultra ultra ADJ american_scientific_journal-4591 92 5 - - ADJ american_scientific_journal-4591 92 6 wideband wideband ADJ american_scientific_journal-4591 92 7 monopole monopole ADJ american_scientific_journal-4591 92 8 antenna antenna NOUN american_scientific_journal-4591 92 9 ” " PUNCT american_scientific_journal-4591 92 10 , , PUNCT american_scientific_journal-4591 92 11 int int NOUN american_scientific_journal-4591 92 12 . . PUNCT american_scientific_journal-4591 93 1 j. j. PROPN american_scientific_journal-4591 93 2 electron electron PROPN american_scientific_journal-4591 93 3 . . PUNCT american_scientific_journal-4591 94 1 commun commun PROPN american_scientific_journal-4591 94 2 . . PUNCT american_scientific_journal-4591 95 1 ( ( PUNCT american_scientific_journal-4591 95 2 aeΓΌ aeΓΌ PROPN american_scientific_journal-4591 95 3 ) ) PUNCT american_scientific_journal-4591 95 4 , , PUNCT american_scientific_journal-4591 95 5 vol vol NOUN american_scientific_journal-4591 95 6 . . PROPN american_scientific_journal-4591 96 1 69 69 NUM american_scientific_journal-4591 96 2 , , PUNCT american_scientific_journal-4591 96 3 pp pp ADJ american_scientific_journal-4591 96 4 . . PUNCT american_scientific_journal-4591 97 1 1113–1117 1113–1117 NUM american_scientific_journal-4591 97 2 , , PUNCT american_scientific_journal-4591 97 3 2015 2015 NUM american_scientific_journal-4591 97 4 . . PUNCT american_scientific_journal-4591 98 1 [ [ X american_scientific_journal-4591 98 2 7 7 X american_scientific_journal-4591 98 3 ] ] PUNCT american_scientific_journal-4591 98 4 k. k. PROPN american_scientific_journal-4591 98 5 nand nand PROPN american_scientific_journal-4591 98 6 , , PUNCT american_scientific_journal-4591 98 7 p. p. NOUN american_scientific_journal-4591 98 8 arun arun PROPN american_scientific_journal-4591 98 9 , , PUNCT american_scientific_journal-4591 98 10 s. s. PROPN american_scientific_journal-4591 98 11 t t PROPN american_scientific_journal-4591 98 12 vijay vijay PROPN american_scientific_journal-4591 98 13 . . PUNCT american_scientific_journal-4591 99 1 ,”a ,”a PUNCT american_scientific_journal-4591 99 2 reconfigurable reconfigurable ADJ american_scientific_journal-4591 99 3 ultra ultra ADJ american_scientific_journal-4591 99 4 wide wide ADJ american_scientific_journal-4591 99 5 band band NOUN american_scientific_journal-4591 99 6 antenna antenna NOUN american_scientific_journal-4591 99 7 with with ADP american_scientific_journal-4591 99 8 defected defected ADJ american_scientific_journal-4591 99 9 ground ground NOUN american_scientific_journal-4591 99 10 structure structure NOUN american_scientific_journal-4591 99 11 for for ADP american_scientific_journal-4591 99 12 its its PRON american_scientific_journal-4591 99 13 application application NOUN american_scientific_journal-4591 99 14 ” " PUNCT american_scientific_journal-4591 99 15 , , PUNCT american_scientific_journal-4591 99 16 int int NOUN american_scientific_journal-4591 99 17 . . PUNCT american_scientific_journal-4591 100 1 j. j. PROPN american_scientific_journal-4591 100 2 electron electron PROPN american_scientific_journal-4591 100 3 . . PUNCT american_scientific_journal-4591 101 1 commun commun PROPN american_scientific_journal-4591 101 2 . . PUNCT american_scientific_journal-4591 102 1 ( ( PUNCT american_scientific_journal-4591 102 2 aeΓΌ aeΓΌ PROPN american_scientific_journal-4591 102 3 ) ) PUNCT american_scientific_journal-4591 102 4 , , PUNCT american_scientific_journal-4591 102 5 vol vol NOUN american_scientific_journal-4591 102 6 . . PROPN american_scientific_journal-4591 102 7 72 72 NUM american_scientific_journal-4591 102 8 , , PUNCT american_scientific_journal-4591 102 9 pp pp ADJ american_scientific_journal-4591 102 10 . . PUNCT american_scientific_journal-4591 103 1 210–215 210–215 NUM american_scientific_journal-4591 103 2 , , PUNCT american_scientific_journal-4591 103 3 2017 2017 NUM american_scientific_journal-4591 103 4 . . 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PROPN american_scientific_journal-4591 104 11 mittra,”a mittra,”a PROPN american_scientific_journal-4591 104 12 cognitive cognitive ADJ american_scientific_journal-4591 104 13 radio radio NOUN american_scientific_journal-4591 104 14 antenna antenna NOUN american_scientific_journal-4591 104 15 integrated integrate VERB american_scientific_journal-4591 104 16 with with ADP american_scientific_journal-4591 104 17 narrow narrow ADJ american_scientific_journal-4591 104 18 / / SYM american_scientific_journal-4591 104 19 ultra ultra ADJ american_scientific_journal-4591 104 20 - - ADJ american_scientific_journal-4591 104 21 wideband wideband ADJ american_scientific_journal-4591 104 22 antenna antenna NOUN american_scientific_journal-4591 104 23 and and CCONJ american_scientific_journal-4591 104 24 switches switch NOUN american_scientific_journal-4591 104 25 ” " PUNCT american_scientific_journal-4591 104 26 , , PUNCT american_scientific_journal-4591 104 27 ieice ieice NOUN american_scientific_journal-4591 104 28 electron electron NOUN american_scientific_journal-4591 104 29 express express ADJ american_scientific_journal-4591 104 30 , , PUNCT american_scientific_journal-4591 104 31 vol vol NOUN american_scientific_journal-4591 104 32 . . NOUN american_scientific_journal-4591 104 33 9 9 NUM american_scientific_journal-4591 104 34 , , PUNCT american_scientific_journal-4591 104 35 no no INTJ american_scientific_journal-4591 104 36 . . NOUN american_scientific_journal-4591 104 37 15 15 NUM american_scientific_journal-4591 104 38 , , PUNCT american_scientific_journal-4591 104 39 pp pp ADJ american_scientific_journal-4591 104 40 . . PUNCT american_scientific_journal-4591 105 1 1273–1283 1273–1283 NUM american_scientific_journal-4591 105 2 , , PUNCT american_scientific_journal-4591 105 3 2012 2012 NUM american_scientific_journal-4591 105 4 . . PUNCT