Signal Processing

an | Complex unit phasor of the given angle in degrees. |

Arma | Create an autoregressive moving average (ARMA) model. |

bilinear | Bilinear transformation |

butter | Generate a Butterworth filter. |

buttord | Butterworth filter order and cutoff |

cheb1ord | Chebyshev type-I filter order and cutoff |

chebwin | Dolph-Chebyshev window coefficients |

cheby1 | Generate a Chebyshev filter. |

chirp | A chirp signal |

conv | Convolution |

decimate | Decimate or downsample a signal |

ellip | Elliptic or Cauer filter |

ellipord | Elliptic filter order and cutoff |

fftfilt | Filters with an FIR filter using the FFT |

filter | Filter a signal |

FilterOfOrder | Filter of given order and specifications. |

filtfilt | Forward and reverse filter a signal |

fir1 | FIR filter generation |

fir2 | FIR filter generation |

freqs | s-plane frequency response |

freqz | z-plane frequency response |

grpdelay | Group delay of a filter or model |

ifft | Inverse FFT |

impz | Impulse-response characteristics |

interp | Interpolate / Increase the sample rate |

interp1 | Interpolation |

kaiser | Kaiser window |

kaiserord | Parameters for an FIR filter from a Kaiser window |

levinson | Durbin-Levinson Recursion |

Ma | Create a moving average (MA) model |

medfilt1 | Median filter |

pchip | Piecewise cubic hermite interpolation |

poly | Polynomial given roots |

polyval | Evaluate a polynomial |

remez | Parks-McClellan optimal FIR filter design |

resample | Change the sampling rate of a signal |

roots | Roots of a polynomial |

sftrans | Transform filter band edges |

sgolay | Savitzky-Golay smoothing filters |

sgolayfilt | Apply a Savitzky-Golay smoothing filter |

signal-internal | Internal or uncommented functions |

signal.package | Signal processing |

specgram | Spectrogram plot |

spencer | Spencer filter |

unwrap | Unwrap radian phases |

wav | Example wav file |

windowing | Windowing functions |

Zpg | Zero-pole-gain model |

zplane | Pole-zero plot |

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