yanhc

摘要：郑君里，信号与系统，P99-100，傅里叶级数近似方波。clc; clear;E = 1;Amp = E/2;n = 5;T = 1;w = 2*pi/T;t = -1:0.0001:1;% Generate the fourier functionfun = zeros(size(t));for i=1:n fun = fun + (2*E/pi) * (1/i)*sin(i*pi/2)*cos(i*w*t);endfigure(1); plot(t, fun, 'r'); hold on;% Generate the step wavef=@(x)( -Amp*heavis 阅读全文