中文
Wide Bandwidth Dual-band Bandpass Filter Based on Step Impedance Resonator
HU Jin-ping,LI Guo-hui,JING Dong-dong,WU Hui,MA Yan-zhong
Journal of Shanghai University（Natural Science Edition） . 2012, (3): 231 -234 .  DOI: 10.3969/j.issn.1007-2861.2012.03.003