baseband attenuation
... 基频指定 baseband assignment 基频衰减 baseband attenuation 声频和视讯基频 baseband audio and video ...
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该滤波器在基频处的幅值无衰减,相位无延时,能将2次以上的谐波全部滤掉。
The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.
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