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spectral (version 1.0.1)

Common Methods of Spectral Data Analysis

Description

Fourier and Hilbert transforms are utilized to perform several types of spectral analysis on the supplied data. Also fragmented and irregularly spaced data can be processed. A user friendly interface helps to interpret the results.

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Version

Install

install.packages('spectral')

Monthly Downloads

269

Version

1.0.1

License

GPL-2

Maintainer

Martin Seilmayer

Last Published

September 15th, 2016

Functions in spectral (1.0.1)

filter.fft

Filter in the frequency domain
interpolate.fft

interpolates data using the Fourier back transform
Windowfunctions

Windowfunctions
win.cos

Cosine window function
win.tukey

Tukey window function
H

The Hilbert-transformation
plot.lomb

plot method for Lomb-Scargle periodograms
lmb

Lomb-Scargle estimation function
spec.fft

1D/2D spectrum of the Fourier transform
plot.fft

Plot fft-objects
analyticFunction

Analytic function
BP

Simple bandpass function
filter.lomb

Filter and reconstruction of data analysed via spec.lomb
spec.lomb

Lomb-Scargle Periodigram
envelope

Calculates the envelope of a band limited signal
waterfall

Estimate the local frequencies