5MIRSHEKAR-SYAHKAL D, LIM Y C, MOSTAFAVI R F. Resonant frequency of slotted cylindrical ring resonator [C]// Proc. of 30th Eur. Microwave Conf. Paris, France: UMC, 2000, 2: 197-200.
6MOSTAFAVI R F, MIRSHEKAR-SYAHKAL D, LIM Y C. Small filters based on slotted cylindrical ring resonators [C]// IEEE MTT-S Int. Microw. Symp. Dig. Phoenix, USA: IEEE, 2001 : 1795-1798.
7赵春晖,样莘元.现代微波技术基础[M].哈尔滨:哈尔滨工程大学出版社,2011.
8ATIA A E, WILLIAMS A E. Narrow bandpass waveguide fil- ters [J]. IEEE Trans. on Microw. Theory Tech., 1972, MTT- 20 : 258-265.
