power per pole 中文意思是什麼
power per pole
解釋
每極功率-
This is because the bpf is a two - pole filter ; at its cut - off frequency ( when output is 50 per cent ) the output power of a true lpf of the same cut - off would be in fact 70. 7 per cent
這是因為帶通濾波器是一個兩極濾波器;在其截止頻率下(輸出為50 % ) ,真正的具有相同截止頻率的低通慮波器的輸出功率事實上為70 . 7 % 。
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