Signal Processing

Documentation for package ‘gsignal’ version 0.3-7

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A B C D E F G H I K L M N P Q R S T U W X Z

-- A --

arburg	Autoregressive model coefficients - Burg's method
Arma	Autoregressive moving average (ARMA) model
aryule	Autoregressive model coefficients - Yule-Walker method
ar_psd	Power spectrum of AR model
as.Arma	Autoregressive moving average (ARMA) model
as.Arma.Arma	Autoregressive moving average (ARMA) model
as.Arma.Ma	Autoregressive moving average (ARMA) model
as.Arma.Sos	Autoregressive moving average (ARMA) model
as.Arma.Zpg	Autoregressive moving average (ARMA) model
as.Sos	Second-order sections
as.Sos.Arma	Second-order sections
as.Sos.Ma	Second-order sections
as.Sos.Sos	Second-order sections
as.Sos.Zpg	Second-order sections
as.Zpg	Zero pole gain model
as.Zpg.Arma	Zero pole gain model
as.Zpg.Ma	Zero pole gain model
as.Zpg.Sos	Zero pole gain model
as.Zpg.Zpg	Zero pole gain model

-- B --

barthannwin	Modified Bartlett-Hann window
bartlett	Bartlett window
besselap	Bessel analog low-pass filter prototype
besself	Bessel analog filter design
bilinear	Bilinear transformation
bilinear.Arma	Bilinear transformation
bilinear.default	Bilinear transformation
bilinear.Zpg	Bilinear transformation
bitrevorder	Permute input to bit-reversed order
blackman	Blackman window
blackmanharris	Blackman-Harris window
blackmannuttall	Blackman-Nuttall window
bohmanwin	Bohman window
boxcar	Rectangular window
buffer	Buffer signal vector into matrix of data segments
buttap	Butterworth filter prototype
butter	Butterworth filter design
butter.default	Butterworth filter design
butter.FilterSpecs	Butterworth filter design
buttord	Butterworth filter order and cutoff frequency

-- C --

cceps	Complex cepstral analysis
cconv	Circular convolution
cheb	Chebyshev polynomials
cheb1ap	Chebyshev Type I filter prototype
cheb1ord	Chebyshev Type I filter order
cheb2ap	Chebyshev Type II filter prototype
cheb2ord	Chebyshev Type II filter order
chebwin	Chebyshev window
cheby1	Chebyshev Type I filter design
cheby1.default	Chebyshev Type I filter design
cheby1.FilterSpecs	Chebyshev Type I filter design
cheby2	Chebyshev Type II filter design
cheby2.default	Chebyshev Type II filter design
cheby2.FilterSpecs	Chebyshev Type II filter design
chirp	Chirp signal
cl2bp	Constrained L2 bandpass FIR filter design
clustersegment	Cluster Segments
cmorwavf	Complex Morlet Wavelet
cohere	Magnitude-squared coherence
conv	Convolution and polynomial multiplication
conv2	2-D convolution
convmtx	Convolution matrix
cplxpair	Complex conjugate pairs
cplxreal	Sort complex conjugate pairs and real
cpsd	Cross power spectral density
csd	Cross power spectral density
czt	Chirp Z-transform

-- D --

db2pow	Power - decibel conversion
dct	Discrete Cosine Transform
dct2	2-D Discrete Cosine Transform
dctmtx	Discrete Cosine Transform Matrix
decimate	Decrease sample rate
detrend	Remove Polynomial Trend
dftmtx	Discrete Fourier Transform Matrix
digitrevorder	Permute input to digit-reversed order
diric	Dirichlet function
downsample	Decrease sample rate
dst	Discrete Sine Transform
dwt	1-D Discrete Wavelet Transform

-- E --

ellip	Elliptic filter design
ellip.default	Elliptic filter design
ellip.FilterSpecs	Elliptic filter design
ellipap	Low-pass analog elliptic filter
ellipord	Elliptic Filter Order

-- F --

fftconv	FFT-based convolution
fftfilt	FFT-based FIR filtering
fftfilt.default	FFT-based FIR filtering
fftfilt.Ma	FFT-based FIR filtering
fftshift	Zero-frequency shift
fht	Fast Hartley Transform
filter	Filter a signal
filter.Arma	Filter a signal
filter.default	Filter a signal
filter.Ma	Filter a signal
filter.sgolayFilter	Savitzky-Golay filtering
filter.Sos	Filter a signal
filter.Zpg	Filter a signal
filter2	2-D digital filter
FilterSpecs	Filter specifications
filter_zi	Filter initial conditions
filter_zi.Arma	Filter initial conditions
filter_zi.default	Filter initial conditions
filter_zi.Ma	Filter initial conditions
filter_zi.Sos	Filter initial conditions
filter_zi.Zpg	Filter initial conditions
filtfilt	Zero-phase digital filtering
filtfilt.Arma	Zero-phase digital filtering
filtfilt.default	Zero-phase digital filtering
filtfilt.Ma	Zero-phase digital filtering
filtfilt.Sos	Zero-phase digital filtering
filtfilt.Zpg	Zero-phase digital filtering
filtic	Filter Initial Conditions
filtic.Arma	Filter Initial Conditions
filtic.default	Filter Initial Conditions
filtic.Ma	Filter Initial Conditions
filtic.Sos	Filter Initial Conditions
filtic.Zpg	Filter Initial Conditions
findpeaks	Find local extrema
fir1	Window-based FIR filter design
fir2	Frequency sampling-based FIR filter design
firls	Least-squares linear-phase FIR filter design
flattopwin	Flat top window
fracshift	Fractional shift
freqs	Frequency response of analog filters
freqs.Arma	Frequency response of analog filters
freqs.default	Frequency response of analog filters
freqs.Ma	Frequency response of analog filters
freqs.Sos	Frequency response of analog filters
freqs.Zpg	Frequency response of analog filters
freqs_plot	Frequency response of analog filters
freqz	Frequency response of digital filter
freqz.Arma	Frequency response of digital filter
freqz.default	Frequency response of digital filter
freqz.Ma	Frequency response of digital filter
freqz.Sos	Frequency response of digital filter
freqz.Zpg	Frequency response of digital filter
freqz_plot	Frequency response of digital filter
fwhm	Full width at half maximum
fwht	Fast Walsh-Hadamard Transform

-- G --

gauspuls	Gaussian-modulated sinusoidal RF pulse
gaussian	Gaussian convolution window
gausswin	Gaussian window
gmonopuls	Gaussian monopulse
grpdelay	Group delay
grpdelay.Arma	Group delay
grpdelay.default	Group delay
grpdelay.Ma	Group delay
grpdelay.Sos	Group delay
grpdelay.Zpg	Group delay

-- H --

hamming	Hamming window
hann	Hann window
hanning	Hann window
hilbert	Hilbert transform

-- I --

idct	Inverse Discrete Cosine Transform
idct2	Inverse 2-D Discrete Cosine Transform
idst	Inverse Discrete Sine Transform
ifft	Inverse Fast Fourier Transform
ifftshift	Inverse zero-frequency shift
ifht	Fast Hartley Transform
ifwht	Fast Walsh-Hadamard Transform
iirlp2mb	IIR lowpass filter to IIR multiband
iirlp2mb.Arma	IIR lowpass filter to IIR multiband
iirlp2mb.default	IIR lowpass filter to IIR multiband
iirlp2mb.Sos	IIR lowpass filter to IIR multiband
iirlp2mb.Zpg	IIR lowpass filter to IIR multiband
impinvar	Impulse invariance method for A/D filter conversion
impinvar.Arma	Impulse invariance method for A/D filter conversion
impinvar.default	Impulse invariance method for A/D filter conversion
impz	Impulse response of digital filter
impz.Arma	Impulse response of digital filter
impz.default	Impulse response of digital filter
impz.Ma	Impulse response of digital filter
impz.Sos	Impulse response of digital filter
impz.Zpg	Impulse response of digital filter
imvfft	Inverse Fast Fourier Transform
interp	Interpolation
invfreq	Inverse Frequency Response
invfreqs	Inverse Frequency Response
invfreqz	Inverse Frequency Response
invimpinvar	Inverse impulse invariance method
invimpinvar.Arma	Inverse impulse invariance method
invimpinvar.default	Inverse impulse invariance method

-- K --

kaiser	Kaiser window
kaiserord	Kaiser filter order and cutoff frequency

-- L --

levinson

Durbin-Levinson Recursion

-- M --

Ma	Moving average (MA) model
marcumq	Marcum Q function
medfilt1	1-D median filtering
mexihat	Mexicat Hat
meyeraux	Meyer wavelet auxiliary function
morlet	Morlet Wavelet
movingrms	Moving Root Mean Square
mpoles	Multiplicity of poles
mscohere	Magnitude-squared coherence

-- N --

ncauer	ncauer analog filter design
nuttallwin	Nuttall-defined minimum 4-term Blackman-Harris window

-- P --

pad	Pad data
parzenwin	Parzen (de la Vallée Poussin) window
pburg	Autoregressive PSD estimate - Burg's method
peak2peak	Maximum-to-minimum difference
peak2rms	Peak-magnitude-to-RMS ratio
pei_tseng_notch	Pei-Tseng notch filter
plot.ar_psd	Power spectrum of AR model
plot.grpdelay	Group delay
plot.pwelch	Welch’s power spectral density estimate
plot.specgram	Spectrogram
poly	Polynomial with specified roots
polyreduce	Reduce polynomial
polystab	Stabilize polynomial
postpad	Pad data
pow2db	Power - decibel conversion
prepad	Pad data
primitive	Primitive
print.ar_psd	Power spectrum of AR model
print.freqs	Frequency response of analog filters
print.freqz	Frequency response of digital filter
print.grpdelay	Group delay
print.impz	Impulse response of digital filter
print.pwelch	Welch’s power spectral density estimate
print.specgram	Spectrogram
print.summary.freqs	Frequency response of analog filters
print.summary.freqz	Frequency response of digital filter
pulstran	Pulse train
pwelch	Welch’s power spectral density estimate
pyulear	Autoregressive PSD estimate - Yule-Walker method

-- Q --

qp_kaiser

Kaiser FIR filter design

-- R --

rceps	Real cepstrum
rectpuls	Rectangular pulse
rectwin	Rectangular window
remez	Parks-McClellan optimal FIR filter design
resample	Change sampling rate
residue	Partial fraction expansion
residued	delayed z-transform partial fraction expansion
residuez	Z-transform partial fraction expansion
rms	Root-mean-square
rresidue	Partial fraction expansion
rssq	Root-sum-of-squares

-- S --

sampled2continuous	Signal reconstruction
sawtooth	Sawtooth or triangle wave
schtrig	Schmitt Trigger
sftrans	Transform filter band edges
sftrans.Arma	Transform filter band edges
sftrans.default	Transform filter band edges
sftrans.Zpg	Transform filter band edges
sgolay	Savitzky-Golay filter design
sgolayfilt	Savitzky-Golay filtering
shanwavf	Complex Shannon Wavelet
shiftdata	Shift data to operate on specified dimension
sigmoid_train	Sigmoid Train
signals	signals
sinetone	Sine tone
sinewave	Sine wave
Sos	Second-order sections
sos2tf	Sos to transfer function
sos2zp	Sos to zero-pole-gain
sosfilt	Second-order sections filtering
specgram	Spectrogram
square	Square wave
stft	Short-Term Fourier Transform
summary.freqs	Frequency response of analog filters
summary.freqz	Frequency response of digital filter

-- T --

tf2sos	Transfer function to second-order sections form
tf2zp	Transfer function to zero-pole-gain form
tfe	Transfer Function Estimate
tfestimate	Transfer Function Estimate
triang	Triangular window
tripuls	Sampled aperiodic triangle
tukeywin	Tukey (tapered cosine) window

-- U --

udecode	Uniform decoder
uencode	Uniform encoder
ultrwin	Ultraspherical window
unshiftdata	Inverse of shiftdata
unwrap	Unwrap phase angles
upfirdn	Upsample, apply FIR filter, downsample
upsample	Increase sample rate
upsamplefill	Upsample and Fill

-- W --

wconv	1-D or 2-D convolution
welchwin	Welch window
wfilters	1-D Discrete Wavelet Transform
wkeep	Keep part of vector or matrix

-- X --

xcorr	Cross-correlation
xcorr2	2-D cross-correlation
xcov	Cross-covariance

-- Z --

zerocrossing	Zero Crossing
zp2sos	Zero-pole-gain to second-order section format
zp2tf	Zero-pole-gain to transfer function
Zpg	Zero pole gain model
zplane	Zero-pole plot
zplane.Arma	Zero-pole plot
zplane.default	Zero-pole plot
zplane.Ma	Zero-pole plot
zplane.Sos	Zero-pole plot
zplane.Zpg	Zero-pole plot