Transformations, correlation, and modeling
- arburg
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The parameters of the autoregression model with all poles are the Burg method.
- bitrevorder
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Rearranges the input data bits in reverse order.
- cceps
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Comprehensive cepstral analysis.
- cconv
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Circular convolution modulo n.
- convmtx
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The convolution matrix.
- corrmtx
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A data matrix for estimating the autocorrelation matrix.
- czt
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Chirp Z-transformation.
- dct
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Discrete cosine transform.
- dftmtx
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The matrix of the discrete Fourier transform.
- digitrevorder
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Rearranges the digits of the input data in reverse order.
- emd
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Decomposition of the signal into empirical modes.
- envelope
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The envelope of the signal.
- hilbert
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Discrete analytical signal using the Hilbert transform.
- idct
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Inverse discrete cosine transform.
- invfreqs
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Determination of continuous filter parameters based on frequency response data.
- invfreqz
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Determination of discrete filter parameters based on frequency response data.
- istft
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Inverse windowed Fourier transform.
- levinson
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Levinson—Durbin recursion.
- lsf2poly
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Conversion of linear spectral frequencies into prediction filter coefficients.
- poly2rc
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Transformation of the prediction filter polynomial into reflection coefficients.
- prony
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The Prony method for designing filters.
- pspectrum
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Analysis of signals in the frequency and time-frequency domains.
- rc2is
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Conversion of reflection coefficients into arcsine parameters.
- rc2lar
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Conversion of reflection coefficients into parameters of the logarithmic ratio of areas.
- rc2poly
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Conversion of reflection coefficients into a prediction filter polynomial.
- rceps
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Real kepstr and minimum-phase reduction.
- spectrogram
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A spectrogram using the windowed Fourier transform.
- stft
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The windowed Fourier transform.
- vmd
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Decomposition by variational modes.
- xcorr2
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Two-dimensional cross-correlation function.