... filter attenuation 滤波衰减 filter attenuation band 滤波器衰减带; 滤波衰减带; 滤光器减光带 filter bag 过滤袋 ...
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滤波器带外衰减 Filter Out Band Attenuation
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文章列举了几组滤波器的实测结果，其中一组在不加任何特别措施的情况下，相对带宽作到了27％，另有一组具有明显的带外衰减极点。
Some experimental results for the filters are given, one has bandwidth of 27% without special measure employed, and another has two evident attenuation poles on either side of the passband.
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