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
An ultra-narrow band eight-pole dual-mode HTS patch filterXiaofeng He, Yusheng He, Jia Wang et al.|Physica C Superconductivity|2009Cited by 26
A Narrow Band Dual Mode HTS Patch Filter With High Power CapabilityYuehui Wang, Yusheng He, Bin Cui et al.|IEEE Microwave and Wireless Components Letters|2009Cited by 12