摘要： Fs = 1000; %采样率N = 1000; %采样点数n = 0:N-1;t = 0:1/Fs:1-1/Fs; %时间序列 Signal_Original_1 =sin(2*pi*10*t)+sin(2*pi*20*t)+sin(2*pi*30*t); Noise_White_1 = [0.3 阅读全文