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• Adafruit CircuitPython

ulab.utils — Adafruit CircuitPython 1 documentation

• Core Modules
• ulab – Manipulate numeric data similar to numpy
• ulab.utils

ulab.utils.spectrogram(r: ulab.numpy.ndarray) → ulab.numpy.ndarray

Parameters:

r (ulab.numpy.ndarray) – A 1-dimension array of values whose size is a power of 2

Computes the spectrum of the input signal. This is the absolute value of the (complex-valued) fft of the signal. This function is similar to scipy’s scipy.signal.welch https://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.welch.html.

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