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Simple periodogram manipulation in Python.

Project description

Periodogram

Simple and tested periodogram normalizations for astronomical time-series

Installation

pip install periodogram

Usage

There are three types of normalizations available. The amplitude spectrum is normalized such that a sine wave of amplitude 1 will have a peak amplitude of 1. The power spectrum will have 1^2, and the power spectral density will have 1^2 * Tobs

from periodogram import Periodogram

p = Periodogram.calculate(x, y, normalization='amplitude')
p.plot()

Lower-level functions for directly calculating different normalizations are also available

from periodogram import amplitude_spectrum, psd, power_spectrum

frequency, amplitude = amplitude_spectrum(x, y)

Project details


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Source Distribution

periodogram-0.0.11.tar.gz (6.6 kB view hashes)

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