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ch4_2_2.htm
变异数
fft2_example(2).m
%fft2_example.m
%分析图像的频谱
img = imread('coins.png'); %读图像文件
f_img = fft2(double(img)); %2维fft变换
f_img = fftshift(f_img);
fliter_example2(2).m
%fliter_example2.m
%单位冲击信号通过带阻滤波器
t = 1:40; %信号的时间
x =zeros(size(t));
x(1) = 1; %产生单位冲击信号
[b,a] = butter
time_uv2.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,1,
Options 1,0,0 // Target 'Tar
sy_003_2.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,1, 0x0
Options 1,0,0 /