Electromagnetic stop band structure is one of these structures.

电磁阻带结构就其中之一.

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The 3 db Bandwidth is 30±5 MHz . The stop - band attenuation ( f _ 0±100 MHz ) is over 35 db except individual frequency points.

三分贝带宽为30±5MHz,阻带衰减 ( f_0±100HHz ) 除个别频率点外,其余都在35db以上.

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The scattering parameters of two proposed electromagnetic stop band filters have been fitted by this method.

本文提出了两种电磁阻带结构滤波器,并用该方法拟合了它们的散射参数.

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Comparing to conventional E - plane waveguide filter, great improvments have been made in stop - band attenuation of a BPF.

为了提高E面全金属膜片矩形波导滤波器的阻带性能, 本文对滤波器的结构做了改进,采用了混合膜片的形式.

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