8-GHz Narrowband High-Temperature Superconducting Filter With High Selectivity and Flat Group DelayLu Gao, Yusheng He, Fei Li et al.|IEEE Transactions on Microwave Theory and Techniques|2009Cited by 44
A Wideband Superconducting Filter Using Strong Coupling Resonators for Radio Astronomy ObservatoryTao Yu, Yusheng He, Hong Li et al.|IEEE Transactions on Microwave Theory and Techniques|2009Cited by 42
An ultra-narrow band eight-pole dual-mode HTS patch filterXiaofeng He, Yusheng He, Jia Wang et al.|Physica C Superconductivity|2009Cited by 26