fig10_7.m

数字信号处理Matlab演示文件,其中各个文件加放置了不同的matlab子文件

%% Fig 10.7
%% Complexity of DFT/FFT
clf
t=1:14;
X=2.^t;
Y1 = X.^2;
Y2 = (X/2).*log2(X);
loglog(X,Y1,X,Y2);
hold on;
xlabel('Size of DFT/FFT Transform','Fontsize',12);
ylabel('Complexity','Fontsize',12);
title('Comparison of Complexity for DFT and FFT','Fontsize',12);
fprintf(1,'Press Return to Finish\n');
pause;
hold off;