Python中的时间/频率颜色图 [英] Time/frequency color map in python

问题描述

原生Python 3.X库或scipy/numpy/matplolib库中是否存在一个函数或它们的短集，可以帮助我绘制类似于该函数的图?

实现这样的目标的有效方法是什么?预先谢谢你.

解决方案

最下面的图是连续小波变换的结果. Scipy中有一个名为cwt()的函数. 在这里查看. http://docs.scipy.org/doc/scipy/reference/generation/scipy.signal.cwt.html

Is there in native Python 3.X library or in scipy/numpy/matplolib libraries a function or their short set which could help me to draw a plot similar to this one(?):

What would be an efficient way to achieve something like this? Thank you in advance.

解决方案

The bottom plot is the result of Continuous Wavelet Transform. There is a function called cwt() in Scipy. Check it out here. http://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.cwt.html

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