2023-09-27から1日間の記事一覧

窓関数の時間特性と周波数特性

clear; close all; %%%%%%%%%% Time domain %%%%%%%%%%%%%%%% T=1; N=128; w1 = []; for n=0:N-1 w1(n+1) = 1; end plot(1:N,w1,'DisplayName','Rectangular'); hold on; %Hamming window w3 = []; for n=0:N-1 w3(n+1) = 0.54-0.46*cos(2*n*pi/(N-1)); end …