图像的空间域转换为频率域

[{"title":"（ 7 个子文件 15KB ） 图像的空间域转换为频率域","children":[{"title":"空间域转成频率域","children":[{"title":"fft.m <span style='color:#111;'> 161B </span>","children":null,"spread":false},{"title":"1.jpg <span style='color:#111;'> 8.13KB </span>","children":null,"spread":false},{"title":"图像作业8","children":[{"title":"matlab.mat <span style='color:#111;'> 128B </span>","children":null,"spread":false},{"title":"fft.m <span style='color:#111;'> 345B </span>","children":null,"spread":false},{"title":"DCT.m <span style='color:#111;'> 337B </span>","children":null,"spread":false},{"title":"xiaobo.m <span style='color:#111;'> 877B </span>","children":null,"spread":false}],"spread":true},{"title":"ty.jpg <span style='color:#111;'> 5.40KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]