% Time-Frequency Toolbox.% Version 1.0 January 1996% Copyright (c) 1994-96 by CNRS (France) - RICE University (USA).%% Signal Generation Files%%   sigmerge - Add two signals with given energy ratio in dB.%%  Choice of the Instantaneous Amplitude %   amexpo1s - Generate one-sided exponential amplitude modulation.%   amexpo2s - Generate bilateral exponential amplitude modulation.%   amgauss  - Generate gaussian amplitude modulation.%   amrect   - Generate rectangular amplitude modulation.%   amtriang - Generate triangular amplitude modulation.%   %  Choice of the Instantaneous Frequency%   fmconst  - Signal with constant frequency modulation.%   fmhyp    - Signal with hyperbolic frequency modulation.%   fmlin    - Signal with linear frequency modulation.%   fmodany  - Signal with arbitrary frequency modulation.%   fmpar    - Signal with parabolic frequency modulation.%   fmpower  - Signal with power-law frequency modulation.%   fmsin    - Signal with sinusoidal frequency modulation.%   gdpower  - Signal with a power-law group delay.%%  Choice of Particular Signals%   altes    - Altes signal in time domain.%   anaask   - Amplitude Shift Keyed (ASK) signal.%   anabpsk  - Binary Phase Shift Keyed (BPSK) signal.%   anafsk   - Frequency Shift Keyed (FSK) signal.%   anapulse - Analytic projection of unit amplitude impulse signal.%   anaqpsk  - Quaternary Phase Shift Keyed (QPSK) signal.%   anasing  - Lipschitz singularity.%   anastep  - Analytic projection of unit step signal.%   atoms    - Linear combination of elementary Gaussian wave packets. %   dopnoise - Generate complex Doppler random signal.%   doppler  - Generate complex Doppler signal.%   klauder  - Klauder wavelet in time domain.%   mexhat   - Mexican hat wavelet in time domain.%   window   - Window generation.%%  Addition of Noise%   noisecg  - Analytic complex gaussian noise.%   noisecu  - Analytic complex uniform noise.%%  Modification%   scale    - Scale signal using Mellin transform.%   %% Processing Files%%  Time-Domain Processing%   ifestar2 - Instantaneous frequency estimation using AR2 modelisation.%   instfreq - Instantaneous frequency estimation.%   loctime  - Time localization characteristics.%	%  Frequency-Domain Processing%   fmt      - Fast Mellin transform%   ifmt     - Inverse fast Mellin transform.%   locfreq  - Frequency localization characteristics.%   sgrpdlay - Group delay estimation.%%  Linear Time-Frequency Processing%   tfrgabor - Gabor representation.%   tfrstft  - Short time Fourier transform.%%  Bilinear Time-Frequency Processing in the Cohen's Class%   tfrbj    - Born-Jordan distribution.                     %   tfrbud   - Butterworth distribution.                   %   tfrcw    - Choi-Williams distribution.                   %   tfrgrd   - Generalized rectangular distribution.        %   tfrmh    - Margenau-Hill distribution.                    %   tfrmhs   - Margenau-Hill-Spectrogram distribution.     %   tfrmmce  - MMCE combination of spectrograms. %   tfrpage  - Page distribution.                          %   tfrpmh   - Pseudo Margenau-Hill distribution.          %   tfrppage - Pseudo Page distribution.                 %   tfrpwv   - Pseudo Wigner-Ville distribution.            %   tfrri    - Rihaczek distribution.                       %   tfrridb  - Reduced interference distribution (Bessel window).%   tfrridh  - Reduced interference distribution (Hanning window).%   tfrridn  - Reduced interference distribution (binomial window).%   tfrridt  - Reduced interference distribution (triangular window).%   tfrsp    - Spectrogram.                     %   tfrspwv  - Smoothed Pseudo Wigner-Ville distribution.   %   tfrwv    - Wigner-Ville distribution.%   tfrzam   - Zhao-Atlas-Marks distribution.               %%  Bilinear Time-Frequency Processing in the Affine Class%   tfrbert  - Unitary Bertrand distribution.%   tfrdfla  - D-Flandrin distribution.%   tfrscalo - Scalogram, for Morlet or Mexican hat wavelet.%   tfrspaw  - Smoothed Pseudo Affine Wigner distributions.%   tfrunter - Unterberger distribution, active or passive form.%   %  Reassigned Time-Frequency Processing%   tfrrgab  - Reassigned Gabor spectrogram.%   tfrrmsc  - Reassigned Morlet Scalogram time-frequency distribution.%   tfrrpmh  - Reassigned Pseudo Margenau-Hill distribution.%   tfrrppag - Reassigned Pseudo Page distribution.%   tfrrpwv  - Reassigned Pseudo Wigner-Ville distribution.%   tfrrsp   - Reassigned Spectrogram. %   tfrrspwv - Reassigned Smoothed Pseudo WV distribution.%%  Ambiguity Functions%   ambifunb - Narrow band ambiguity function.%   ambifuwb - Wide band ambiguity function.%%  Post-Processing or Help to the Interpretation%   friedman - Instantaneous frequency density.%   holder   - Estimate the Holder exponent through an affine TFR.%   htl      - Hough transform for detection of lines in images.%   margtfr  - Marginals and energy of a time-frequency representation.%   midscomp - Mid-point construction used in the interference diagram. %   momftfr  - Frequency moments of a time-frequency representation.%   momttfr  - Time moments of a time-frequency representation.%   plotsid  - Schematic interference diagram of FM signals. %   renyi    - Measure Renyi information.%   ridges   - Extraction of ridges.%   tfrideal - Ideal TFR for given frequency laws.%%  Visualization & backup%   plotifl  - Plot normalized instantaneous frequency laws.%   tfrqview - Quick visualization of time-frequency representations.%   tfrview  - Visualization of time-frequency representations.%   tfrparam - Return the paramaters needed to display (or save) a TFR.%   tfrsave  - Save the parameters of a time-frequency representation.%%% Other %   disprog  - Display progression of a loop.%   divider  - Find dividers of integer such that product equals integer. %   dwindow  - Derive a window.%   integ    - Approximate integral.%   integ2d  - Approximate 2-D integral.%   izak     - Inverse Zak transform.%   istfr1   - returns true if a distribution is Cohen's class type 1 (spectrogram)%   istfr2   - returns true if a distribution is Cohen's class type 2 (Wigner-Ville)%   istfraff - returns true is a distribution is an affine class member%   kaytth   - Kay-Tretter filter computation.%   modulo   - Congruence of a vector.%   movcw4at - Four atoms rotating, analyzed by the Choi-Williams distribution.%   movpwdph - Influence of a phase-shift on the interferences of the pWVD.%   movpwjph - Influence of a jump of phase on the interferences of the pWVD.%   movsc2wv - Movie illustrating the passage from the scalogram to the WVD.%   movsp2wv - Movie illustrating the passage from the spectrogram to the WVD.%   movwv2at - Oscillating structure of the interferences of the WVD.  %   odd      - Round towards nearest odd value.%   sigmerge - Add two signals with given energy ratio in dB.%   zak	     - Zak transform.%   griffitc - Test signal example C of Griffiths' paper.%   lambdak  - Evaluate lambda function for Affine Wigner distribution.%   umaxbert - Determination of the maximum value of u for Bertrand distribution.%   umaxdfla - Determination of the maximum value of u for D-Flandrin distribution.%   umaxunte - Determination of the maximum value of u for Unterberger distribution.