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aandyfu27 2009-04-14 11:49 AM

求助多峰拟合
 
4 个附件
如下图所示的曲线怎样拟合成
图2的形式

lfssirius 2009-04-22 11:01 PM

回复: 求助多峰拟合
 
两个图不是一个类型的数据啊。是时频变换得来的吧?不是拟合的

yindawei123 2009-04-29 10:46 AM

回复: 求助多峰拟合
 
请说清楚你到底想怎么做......:confused::confused:

aandyfu27 2009-05-01 04:03 PM

回复: 求助多峰拟合
 
时频变换???第一张图就是由时域信号通过FFT变换得到幅-频图,然后将幅值取log10得到的,而后面那个图 是文献中的,
因为我们计算方法都是一样,但就是得不到第二张图来

trayshleigh 2009-08-01 02:31 PM

回复: 求助多峰拟合
 
是你FFT时,加窗的问题,还有分辨率的问题

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回复: 求助多峰拟合
 
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回复: 求助多峰拟合
 
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zbhpass 2011-05-13 04:15 PM

回复: 求助多峰拟合
 
我也想知道怎么拟合这种图形,要代码的,能返回高斯函数参数的


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