Demo entry 6628133

point

   

Submitted by point on Jul 01, 2017 at 11:46
Language: Matlab. Code size: 210 Bytes.

%寻找三个幅值较大的频点
[ma_1 f_1] = max(FFT_wwzl(1:1500));
[ma_2 f_2] = max(FFT_wwzl(1500:3000));
[ma_3 f_3] = max(FFT_wwzl(3000:4500));
f_1 = f_1/5;         %频点1
f_2 = f_2/5 + 300;   %频点2
f_3 = f_3/5 + 600;   %频点3

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