id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-988	Vancl, J.	Improved Evaluation of Planar Calibration Standards Using the TDR Preselection Method	2007	5	.pdf	application/pdf	2543	131	50	[1] and statistical processing of mea- sured data of an over-determined set of calibration standards [2]-[5]. Another improved calibration procedure optimizes parameterized models of calibration standards to minimize nonreciprocity in a known asymmetrical reciprocal two-port device [6].	cache/ap-988.pdf	txt/ap-988.txt