不懂就问 发表于 2012-3-26 19:43:26

PSCAD仿真出的波形如何在MATLAB中进行FFT

我是个菜鸟,刚学PSCAD不久,MATLAB也不怎么会。现在我要将在PSCAD中仿真出的波形进行频谱分析,于是将波形导出到了A.TXT文件中,然后用MATLAB进行读取,分析。这里遇到一个问题,我怎么对这些数据进行FFT变换,波形函数需不需要表示出来?请问各位高手,我应该怎么办。附件A是我的波形数据和matlab中的画出的波形。

亨特-lee 发表于 2016-12-27 17:20:29

liyunbb 发表于 2016-11-21 22:37
遇到同样的问题,同求

你好,请问你的FFT问题解决了吗?

a278977872 发表于 2018-9-17 21:28:10

mingyu 发表于 2012-3-27 16:18
回复 1# 不懂就问




可以显示柱状图的呀

皮卡丘 发表于 2017-6-10 22:29:40

怎么将pscad的故障波导出到matlab,再进行进行小波变换分析呢?

不懂就问 发表于 2012-3-26 19:45:19

顶起,求解答

wmjoan 发表于 2012-3-26 22:06:46

你导出也就是一堆的数,在matlab里分析的也是一堆数,平时怎么分析就怎么弄好了

mingyu 发表于 2012-3-27 16:18:04

回复 1# 不懂就问


    我以前发过类似的帖子,在PSCAD中可以进行动态FFT分析。但是不能直接显示为MATLAB中那种柱状图,把数据导出后要进行稍微处理一下,变成y=(Am,50n(n=1、2、3...)形式,在用plot或figure。

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不懂就问 发表于 2012-3-31 15:30:51

回复 4# mingyu

谢谢,我试一下

laoqu 发表于 2012-4-1 21:38:49

楼主有结果了吗

mingyu 发表于 2012-4-2 21:30:53

石城大海了,又没人回答?

不懂就问 发表于 2012-4-25 15:17:39

有人回复啊,楼主一直都在

yagj 发表于 2012-5-3 14:19:11

同求啊
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