Common Methods of Spectral Data Analysis


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Documentation for package ‘spectral’ version 1.0.1

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analyticFunction Analytic function
BP Simple bandpass function
envelope Calculates the envelope of a band limited signal
filter.fft Filter in the frequency domain
filter.lomb Filter and reconstruction of data analysed via spec.lomb
H The Hilbert-transformation
interpolate.fft interpolates data using the Fourier back transform
lmb Lomb-Scargle estimation function
plot.fft Plot 'fft'-objects
plot.lomb plot method for Lomb-Scargle periodograms
spec.fft 1D/2D spectrum of the Fourier transform
spec.lomb Lomb-Scargle Periodigram
waterfall Estimate the local frequencies
win.cos Cosine window function
win.tukey Tukey window function
Windowfunctions Windowfunctions