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fir1();
給定長度、frequency band、設定是要stop 或是 pass。回傳FIR filter
Example:
h = fir1(128,[0.5 0.8],'stop'); plot(abs(fft(h))) |
%會產生一個帶通濾波器以 0.5~0.8為stop band,impulse response長度為128
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fir1();
給定長度、frequency band、設定是要stop 或是 pass。回傳FIR filter
Example:
h = fir1(128,[0.5 0.8],'stop'); plot(abs(fft(h))) |
%會產生一個帶通濾波器以 0.5~0.8為stop band,impulse response長度為128