id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
alkej-282	Mohammed, Bassim Sayed	تخمين زاوية الوصول في مستويات متعددة بواسطة مصفوفة الهوائيات الدائرية الطورية المتكيفة	2017	9	.pdf	application/pdf	5756	222	61	and in the vector form ;��� � <*# � #*< Where W and X vectors are given by < � :, : , … . , :��* # � �, � , …… , ���* Signal and noise in the adaptive array antenna system may be described in the terms of statistics properties, so this make possible to evaluate the system by its statistical average where E[.] is the expected value of any random signal, the evaluation of st directly to interested quantities related to the second statistical moment such as covariance matrix, which is closely related to correlation matrix for stationary signals. , No. 1, P.P. 36- 44 (2016) So the output voltage of the proposed array system due to ith received signal is 9���, �, �� and due to the nthchannel thermal noise voltage is 9���� and they can be expressed as 9���, �, �� = d*��, ��K���, �, �� … (24) 9���� = d*��, ��K���� … (25) Then the output powers for signals and noise can be written as G|9���, �, ��| = |d*��, ��K�∗��, �, ��| = d*��, ��I����, �, ��d∗��, �� … (26) Where ~����, �, �� is a covariance matrix of ith received signal under angle of arrival estimation and it is equal to ~����, �, �� = K�∗���, �, �� ∗ K�*��, �, �� … (27)	cache/alkej-282.pdf	txt/alkej-282.txt