Complex.js

Complex.js is a com numbers library written in JavaScript (by infusion)

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  • Applying a pwelch in Javascript
    1 project | /r/learnjavascript | 23 Feb 2021
    The background for this is that I'm using Node-RED to acquire data from a .csv file. Then, I am transferring it to a database where before that I would need to flip the time trace to the frequency domain via a pwelch. That way I can store the time trace and the frequency domain data. Currently what I am doing is using the Complex.js library found here: https://github.com/infusion/Complex.js. After that, I just use a very simple DTFT to get the frequency domain. However, I want to add some overlapping, window length and zero padding to my transformation, and this is where I think it would be easier to just a pwelch. I'm wondering if there is an simple way of implementing this. Otherwise I would have to have to look into a window library and create some sort of overlap using DTFT or another fourier transform technique.

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Basic Complex.js repo stats
1
227
4.1
about 1 month ago

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