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-   -   【资料】快速傅里叶变换函数 (https://www.labfans.com/bbs/showthread.php?t=56)

labfans 2007-04-14 23:27

【资料】快速傅里叶变换函数
 
2 个附件
作者:Rick Auch
摘要:A function to calculate frequency amplitudes, optionally makes Bode plots.
MATLAB 版本: R12
描述:This function inputs a data vector and a sample rate and does the following:
-Removes the DC offset of the data
-Puts the data through a hanning window
-Calculates the FFT
-Calculates the amplitude from the FFT
-Calculates the frequency scale
-Optionally creates a Bode plot

曾德学 2007-04-16 10:54

有点错误,斑竹,帮忙改改,谢谢了
错误见下面

??? Input argument "vData" is undefined.

Error in ==> fft at 22
if size(vData,2)==1

suzf2008 2007-04-18 16:36

对我非常有用 ,多谢。。。。。。

luocongz 2007-06-11 19:08

很好!!!!
非常感谢!!!!!!1

chenquan 2007-06-28 15:30

谢谢了,正需要呢!

yvcfan 2007-07-01 21:37

谢谢,非常感谢

gaoran3132 2007-07-19 15:28

xiexie~~~~~~

abc_123 2007-07-28 16:32

正需要,非常感谢

ipodfans 2007-08-05 22:24

谢谢分享~

ruyan 2007-08-22 16:08

正在学习中,谢谢楼主


所有时间均为北京时间。现在的时间是 18:16

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