从信号中提取峰值
Extract peaks from a signal
我有一个信号，如下图所示：
我想计算信号内部出现的 4 个高峰。有什么算法可以检测到我的信号吗？
这样的怎么样？
[localmax,maxind] = findpeaks(x);
inversex = 1.01*max(x) - x;
[localmin,minind] = findpeaks(inversex);
%//this gives all maxima and minima, now you can compute the width.
%//as for the top 4 peaks, surely you just sort and index 1:4 upon the result or in the beginning.
我有一个信号，如下图所示：
我想计算信号内部出现的 4 个高峰。有什么算法可以检测到我的信号吗？
这样的怎么样？
[localmax,maxind] = findpeaks(x);
inversex = 1.01*max(x) - x;
[localmin,minind] = findpeaks(inversex);
%//this gives all maxima and minima, now you can compute the width.
%//as for the top 4 peaks, surely you just sort and index 1:4 upon the result or in the beginning.