给出了不同偏置、波导尺寸情况下谐振长度和散射特性的数值结果。
The variations of the scattering parameters with slot lengths and slot offsets of standard X band (BJ 100) rectangular waveguides are described with satisfactory results.
第一谐振频率由矩形微带天线的长度所决定。
A first resonance frequency is determined by the length of the rectangular microstrip antenna.
该滤波器采用阶跃阻抗谐振器（SIR）作为谐振单元，可以有效缩短谐振器长度。
This filter is composed of three stepped-impedance resonators(SIRs), and can decrease the length of resonator effectively.
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