Signal Processing

arburg | Autoregressive model coefficients - Burg's method |

Arma | Autoregressive moving average (ARMA) model |

ar_psd | Power spectrum of AR model |

aryule | Autoregressive model coefficients - Yule-Walker method |

barthannwin | Modified Bartlett-Hann window |

bartlett | Bartlett window |

besselap | Bessel analog low-pass filter prototype |

besself | Bessel analog filter design |

bilinear | 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 |

buttord | Butterworth filter order and cutoff frequency |

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 |

cheby2 | Chebyshev Type II filter design |

chirp | Chirp signal |

cl2bp | Constrained L2 bandpass FIR filter design |

clustersegment | Cluster Segments |

cmorwavf | Complex Morlet Wavelet |

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 |

czt | Chirp Z-transform |

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 |

ellip | Elliptic filter design |

ellipap | Low-pass analog elliptic filter |

ellipord | Elliptic Filter Order |

fftconv | FFT-based convolution |

fftfilt | FFT-based FIR filtering |

fftshift | Zero-frequency shift |

fht | Fast Hartley Transform |

filter | Filter a signal |

filter2 | 2-D digital filter |

FilterSpecs | Filter specifications |

filter_zi | Filter initial conditions |

filtfilt | Zero-phase digital filtering |

filtic | 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_plot | Plot frequency response |

freqz | Frequency response of digital filter |

fwhm | Full width at half maximum |

fwht | Fast Walsh-Hadamard Transform |

gauspuls | Gaussian-modulated sinusoidal RF pulse |

gaussian | Gaussian convolution window |

gausswin | Gaussian window |

gmonopuls | Gaussian monopulse |

grpdelay | Group delay |

gsignal-package | gsignal: Signal Processing |

hamming | Hamming window |

hann | Hann window |

hilbert | Hilbert transform |

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 |

iirlp2mb | IIR lowpass filter to IIR multiband |

impinvar | Impulse invariance method for A/D filter conversion |

impz | Impulse response of digital filter |

interp | Interpolation |

invfreq | Inverse Frequency Response |

invimpinvar | Inverse impulse invariance method |

kaiser | Kaiser window |

kaiserord | Kaiser filter order and cutoff frequency |

levinson | Durbin-Levinson Recursion |

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 |

ncauer | ncauer analog filter design |

nuttallwin | Nuttall-defined minimum 4-term Blackman-Harris window |

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 |

poly | Polynomial with specified roots |

polyreduce | Reduce polynomial |

polystab | Stabilize polynomial |

pow2db | Power - decibel conversion |

primitive | Primitive |

pulstran | Pulse train |

pwelch | Welch’s power spectral density estimate |

pyulear | Autoregressive PSD estimate - Yule-Walker method |

qp_kaiser | Kaiser FIR filter design |

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 |

rssq | Root-sum-of-squares |

sampled2continuous | Signal reconstruction |

sawtooth | Sawtooth or triangle wave |

schtrig | Schmitt Trigger |

sftrans | 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 |

tf2sos | Transfer function to second-order sections form |

tf2zp | Transfer function to zero-pole-gain form |

tfestimate | Transfer Function Estimate |

triang | Triangular window |

tripuls | Sampled aperiodic triangle |

tukeywin | Tukey (tapered cosine) window |

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 |

wconv | 1-D or 2-D convolution |

welchwin | Welch window |

wkeep | Keep part of vector or matrix |

xcorr | Cross-correlation |

xcorr2 | 2-D cross-correlation |

xcov | Cross-covariance |

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 |

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