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dada:没匹配好就会有反射,反射就会变成噪声。 (2012-09-25 23:17) QeQwmI
dada:加衰减器不是把增益变小了?你说的是噪声还是噪声系数? (2012-09-26 20:47) -@G,Ry-\t
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