FFT2 图像二维FFT含义解释
摘要:
一维情况时: clc; clear; x = zeros(256,1); n=100; nw=1; for i=n:n+nw x(i) = 1; end f = fft(x); figure(1); subplot(2,1,1); plot(x); axis([0 300 -1 2]); title(['Signal, width=', num2str(nw)]); figur... 阅读全文
posted @ 2012-03-20 16:40 yanhc 阅读(20608) 评论(1) 推荐(1) 编辑