% % JSIGNAL Signal processing, wavelet and spectral analysis % -- See also JELLIPSE. % % Multitaper analysis % mspec - Multitaper power spectrum. % mtrans - Multitaper "eigentransform" computation. % sleptap - Slepian tapers. % hermfun - Orthonormal Hermite functions. % hermeig - Eigenvalues of orthonormal Hermite functions. % % Wavelet analysis % wavetrans - Wavelet transform. % morsewave - Generalized Morse wavelets. [See also below] % morlwave - Morlet wavelet. [See also below] % % Multi-transform polarization analysis % msvd - Singular value decomposition for polarization analysis. % % Wavelet ridge analysis % ridgewalk - Extract wavelet transform ridges, including bias estimates. % ridgemap - Map wavelet ridge properties onto original time series. % % Bandwidth and stability % instfreq - Instantaneous frequency, bandwidth, and modulation functions. % jointfreq - Joint instantaneous frequency and bandwidth. % ellband - Bandwidth of "elliptical" or bivariate analytic signals. % % Assorted other transforms % wigdist - Wigner distribution (alias-free algorithm). % slidetrans - Sliding-window ('moving-window') Fourier transform. % hiltrans - Hilbert transform. % anatrans - Analytic part of signal. % % Morlet wavelet details % morlwave - Morlet wavelet. % morlfreq - Compute Morlet wavelet carrier frequency given peak frequency. % % Generalized Morse details % morsewave - Generalized Morse wavelets of Olhede and Walden (2002). % morsefreq - Minimum and maximum frequencies of Morse wavelets. % morseprops - Properties of the demodulated generalized Morse wavelets. % morsebox - Heisenberg time-frequency box for generalized Morse wavelets. % morsespace - Logarithmically-spaced frequencies for generalized Morse wavelets. % morsearea - Time-frequency concentration area of Morse wavelets. % morsehigh - High-frequency cutoff of the generalized Morse wavelets. % morsemom - Frequency-domain moments of generalized Morse wavelets. % morsederiv - Frequency-domain derivatives of generalized Morse wavelets. % morsexpand - Generalized Morse wavelets via a time-domain Taylor series. % morsecfun - Morse wavelet "C"-function. % % Plotting tools % wavespecplot- Plot of wavelet spectra together with time series. % edgeplot - Draws limits of edge-effect region on wavelet transform. % timelabel - Put month, day, or hour labels on a time axes. % % Low-level functions % ridgelen - Wavelet ridge length expressed as number of full cycles. % ridgequantity - The ``ridge quantity'' associated with a wavelet transform. % ridgeinterp - Interpolate quantity values onto ridge locations. % powermean - Power-weighted mean along a specified dimension. % morseproj - Projection coefficient for two generalized Morse wavelets. % _________________________________________________________________ % This is part of JLAB --- type 'help jlab' for more information % (C) 2004--2010 J.M. Lilly --- type 'help jlab_license' for details %Very low-level functions % morsea - Returns the generalized Morse wavelet amplitude "a". help jsignal