Key technologies of X-band front end RF for  instantaneous polarization radar
ZHAO Fei, YE Liang-feng, XIAO Ke, CHAI Shun-lian, MAO Jun-jie
Journal of Systems Engineering and Electronics . 2010, (6): 1140 -1145 .  DOI: 10.3969/j.issn.1001-506X.2010.06.008