It is used to calculate the power spectral density of surface roughness and transform the two-dimensional power spectral density into one dimensional power spectral density.

Filename	Size	Update
1-1.txt	6435860	2018-04-08
1.5-光波的空间频率与空间频谱.ppt	133120	2017-09-14
14-2.txt	6433252	2018-04-08
2-1.txt	6427647	2018-04-07
3-1.txt	6425449	2018-04-08
4-1.txt	6434451	2018-04-08
7-1.txt	6435306	2018-04-08
7-3.txt	6431240	2018-04-08
Matlab fftshift 详解.docx	28683	2017-09-14
one_dimensional_PSD.m	3424	2018-04-18
two_dimensional_PSD.m	2477	2018-04-18
two_one.m	2117	2018-04-18
zeyi.m	1104	2018-04-25

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