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PSCAD仿真出的波形如何在MATLAB中进行FFT

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发表于 2012-3-26 19:43:26 | 显示全部楼层 |阅读模式

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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。

A.rar

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TXT数据波形和画出的波形

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    liyunbb 发表于 2016-11-21 22:37
    3 Z( I& d1 w1 j6 D/ |% k遇到同样的问题,同求
    / z$ ^& m- E- Z! Y0 S
    你好,请问你的FFT问题解决了吗?
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    mingyu 发表于 2012-3-27 16:18
    8 U9 N: W5 j% j4 T( J回复 1# 不懂就问
    " S; ~) a2 L, X% g
    可以显示柱状图的呀/ Z/ p4 M! X/ ^2 u4 \, W

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    发表于 2017-6-10 22:29:40 | 显示全部楼层
    怎么将pscad的故障波导出到matlab,再进行进行小波变换分析呢?5 ?% ~0 r0 H& v
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     楼主| 发表于 2012-3-26 19:45:19 | 显示全部楼层
    顶起,求解答
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    发表于 2012-3-26 22:06:46 | 显示全部楼层
    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
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    发表于 2012-3-27 16:18:04 | 显示全部楼层
    回复 1# 不懂就问 9 o2 S6 d4 ]# i$ e( [; N) Y  i
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    5 n4 u* Z* d( H# k( c    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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     楼主| 发表于 2012-3-31 15:30:51 | 显示全部楼层
    回复 4# mingyu
    : u# \$ W2 ]6 U6 v6 v) A7 F
    . ^9 P0 ^$ S( ~) Z& a谢谢,我试一下
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    发表于 2012-4-1 21:38:49 | 显示全部楼层
    楼主有结果了吗
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    石城大海了,又没人回答?
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     楼主| 发表于 2012-4-25 15:17:39 | 显示全部楼层
    有人回复啊,楼主一直都在
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    发表于 2012-5-3 14:19:11 | 显示全部楼层
    同求啊
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