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signal (version 0.6-1)

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

0.6-1

License

GPL-2

Maintainer

Uwe Ligges

Last Published

March 2nd, 2010

Functions in signal (0.6-1)

freqz

s-plane frequency response
chebwin

Dolph-Chebyshev window coefficients
Arma

Create an autoregressive moving average (ARMA) model.
unwrap

Unwrap radian phases
zplane

Pole-zero plot
resample

Change the sampling rate of a signal
sftrans

Transform filter band edges
Ma

Create a moving average (MA) model
fir1

FIR filter generation
bilinear

Bilinear transformation
filtfilt

Forward and reverse filter a signal
spencer

Spencer filter
sgolay

Savitzsky-Golay smoothing filters
fir2

FIR filter generation
interp1

Interpolation
freqs

s-plane frequency response
roots

Roots of a polynomial
signal-package

Signal processing
conv

Convolution
ifft

Inverse FFT
kaiser

Kaiser window
specgram

Spectogram plot
filter

Filter a signal.
fftfilt

Filters with an FIR filter using the FFT
sgolayfilt

Apply a Savitsky-Golay smoothing filter
ellip

Elliptic or Cauer filter
Zpg

Zero-pole-gain model
ellipord

Elliptic filter order and cutoff
cheby1

Generate a Chebyshev filter.
medfilt1

Median filter
cheb1ord

Chebyshev type-I filter order and cutoff
poly

Polynomial given roots
Windowing functions

Windowing functions
FilterOfOrder

Filter of given order and specifications.
butter

Generate a Butterworth filter.
grpdelay

Group delay of a filter or model
chirp

A chirp signal
decimate

Decimate or downsample a signal
signal-internal

Internal or uncommented functions
interp

Interpolate / Increase the sample rate
impz

Impulse-response characteristics
buttord

Butterworth filter order and cutoff
polyval

Evaluate a polynomial
remez

Parks-McClellan optimal FIR filter design
an

Complex unit phasor of the given angle in degrees.
pchip

Piecewise cubic hermite interpolation
kaiserord

Parameters for an FIR filter from a Kaiser window