In addition, the stop-band rejection can be further increased by using elliptic filter function which has limited frequency transmission zeros.

另外，在函数类型上使用椭圆函数型，使带外出现有限频率传输零点，进一步提高了带外抑制能力。

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In addition, the stop-band rejection can be further increased by using elliptic filter function which has limited frequency transmission zeros.

另外，在函数类型上使用椭圆函数型，使带外出现有限频率传输零点，进一步提高了带外抑制能力。

youdao