执行时频分析(FTAN) -地球科学堆栈交换江南电子竞技平台江南体育网页版 最近30从www.hoelymoley.com 2023 - 07 - 10 - t20:53:24z //www.hoelymoley.com/feeds/question/19408 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/19408 5 执行时频分析(FTAN) 罗斯·马里亚诺• //www.hoelymoley.com/users/19096 2020 - 03 - 09 - t07:01:28z 2021 - 06 - 30 - t15:58:42z < p >我想做< a href = " https://wiki.seg.org/wiki/Ambient_noise_tomography " rel = " noreferrer " >环境噪声层析< / >,我很困惑如何执行时频分析(FTAN)所示< a href = " https://oup.silverchair cdn.com/oup/backfile/content_public/journal/gji/169/3/10.1111/j.1365 - 246 - x.2007.03374.x/3/169 - 3 - 1239 - fig013.jpeg?Expires=1586760927&Signature=SO0ezeObA7uf0Eiq5cC0BEYXh~p1YePuwnwNXOH9De-HgSe7NesNsxk-rAGHsMOpPJ9cfH9QisyQv47kkQnE0SnEpiR3Ukq3uigpo4BhKpSwAduFX4aLnjDhEeCbpEpjxkMYQu1-dEsJRHWQg~1V8GDNHqadL8rSoGX0zVYUe2K02z-mrw0xTKaSiffs-~1uR21gUjsENiDwFtinLKHIowG84nG3fmeQB5Ys-H01YUAkIx0IJ9dio3mXgfZ9AcG10WYzcrE-TaeB~F4huYhJsLErCLNOHzuPjG-ikXHXRh~xvmGcTS6Dfek0mPIrhRWlJg6kGZ118EbcGFJM4LdXJg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" rel="noreferrer">figure 13b and 13d of this paper by Bensen et al.. I am using Python and Obspy to do analysis. The closest I can find is time-frequency representation from Obspy but I'm not sure if they show the same thing. My question is how can I make similars FTAN figures from a signal?

Any help would be appreciated. Thank you.

 //www.hoelymoley.com/questions/19408/-/19446 # 19446 1 答案由dvoytan执行时频分析(FTAN) dvoytan //www.hoelymoley.com/users/18386 2020 - 03 - 12 - t15:27:45z 2020 - 03 - 12 - t15:27:45z < p >如果你的选择是灵活的软件,我强烈建议使用鲍勃·赫曼的计算机程序在地震学这项工作。< a href = " http://www.eas.slu.edu/eqc/eqccps.html " rel = " nofollow noreferrer " > http://www.eas.slu.edu/eqc/eqccps.html < / >。这个软件不错的工作流环境噪声层析成象和python会节省你很多时间。例如,你可以很快做集团/相速度色散曲线。它也相当容易质量控制数据。看文档的表面波色散——接收函数反演”< a href = " http://www.eas.slu.edu/eqc/eqc_cps/CPS/CPS330.html " rel = " nofollow noreferrer " > http://www.eas.slu.edu/eqc/eqc_cps/CPS/CPS330.html < / >更多细节。< / p > < p >如果你必须使用python,我建议编写自己的代码时频obspy的实现不是很详尽记录,你仍然需要得到来自obspy色散曲线的表示。这需要一些时间,特别是如果你想要一个漂亮的GUI进行挑选。这就是为什么我重新开始上述软件。< / p > //www.hoelymoley.com/questions/19408/-/22472 # 22472 0 答案由史蒂夫进行时频分析(FTAN) 史蒂夫 //www.hoelymoley.com/users/3104 2021 - 06 - 30 - t15:58:42z 2021 - 06 - 30 - t15:58:42z < p >的关键词,你正在寻找是一个光谱图,这是时间频率分析的情节。如果你搜索这个词之后可以找到很多你的例子如:< a href = " https://fairyonice.github.io/implement-the-spectrogram-from-scratch-in-python。html " rel = " https://fairyonice.github.io/implement-the-spectrogram-from-scratch-in-python.html nofollow noreferrer " > < / >。< / p > < p >相关注意如果你有兴趣在环境噪声层析成象你可能想看看MSnoise包< a href = " https://github.com/ROBelgium/MSNoise " rel = " nofollow noreferrer " > https://github.com/ROBelgium/MSNoise < / > < / p >
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