IET Microwaves, Antennas & Propagation. 2013;7(12):961-969. doi: 10.1049/iet-map.2013.0061 Q41.32025
Compact ultra-wideband bandpass filters with narrow notched bands based on a ring resonator
基于环形谐振腔的窄陷波带紧凑型超宽带带通滤波器
DOI: 10.1049/iet-map.2013.0061
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