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signal (version 0.7-0)

Signal processing

Description

A set of generally Matlab/Octave-compatible signal processing functions. Includes filter generation utilities, filtering functions, resampling routines, and visualization of filter models. It also includes interpolation functions and some Matlab comparability functions.

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Install

install.packages('signal')

Monthly Downloads

115,481

Version

0.7-0

License

GPL-2

Maintainer

Uwe Ligges

Last Published

June 27th, 2011

Functions in signal (0.7-0)

Chebyshev type-I filter order and cutoff

Generate a Chebyshev filter.

s-plane frequency response

Parameters for an FIR filter from a Kaiser window

Windowing functions

Windowing functions

Complex unit phasor of the given angle in degrees.

Elliptic filter order and cutoff

Forward and reverse filter a signal

Create an autoregressive moving average (ARMA) model.

Piecewise cubic hermite interpolation

Apply a Savitzky-Golay smoothing filter

Create a moving average (MA) model

Butterworth filter order and cutoff

Savitzky-Golay smoothing filters

Signal processing

Group delay of a filter or model

signal-internal

Internal or uncommented functions

Roots of a polynomial

Dolph-Chebyshev window coefficients

z-plane frequency response

FIR filter generation

Interpolate / Increase the sample rate

Filters with an FIR filter using the FFT

Generate a Butterworth filter.

Polynomial given roots

Unwrap radian phases

Example wav file

Elliptic or Cauer filter

Filter a signal.

FIR filter generation

Spectrogram plot

Filter of given order and specifications.

Bilinear transformation

Change the sampling rate of a signal

Parks-McClellan optimal FIR filter design

Decimate or downsample a signal

Transform filter band edges

Impulse-response characteristics

Evaluate a polynomial

Zero-pole-gain model