webFFT of tremor analysis

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webFFT of tremor analysis

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Last edited Jul 4, 2024

Created on Jul 4, 2024

This example shows the frequency spectrum of a tremor analysis dataset, plotting raw magnitude against frequency in Hertz. It uses the WebFFT library's `fftr` method to compute the Fast Fourier Transform of heart rate data from a CSV file, then visualizes the result as a line chart. The visualization is built with D3 v4, using `scaleLinear` and a `line` generator within an SVG, with axes and labels from the `@drbagwell/responsive-viz-axes` library.

AI-generated description

Overview Time to dabble with the infamous FFT in javascript. Starting with a simple script to generate sine waves for testing.

'Double-sided Magnitude spectrum'

Only a couple of acknowledgements

Discrete Fourier Transform - Simple Step by Step https://www.youtube.com/watch?v=mkGsMWi_j4Q

Understanding the Discrete Fourier Transform and the FFT https://www.youtube.com/watch?v=QmgJmh2I3Fw&t=3s

MIT Licensed

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