1、Time-Frequency Toolbox.Version 1.0 January 1996Copyright (c) 1994-96 by CNRS (France) - RICE University (USA).Signal Generation Filessigmerge - Add two signals with given energy ratio in dB.Choice of the Instantaneous Amplitude amexpo1s - Generate one-sided exponential amplitude modulation.amexpo2s
2、- Generate bilateral exponential amplitude modulation.amgauss - Generate gaussian amplitude modulation.amrect - Generate rectangular amplitude modulation.amtriang - Generate triangular amplitude modulation.Choice of the Instantaneous Frequencyfmconst - Signal with constant frequency modulation.fmhyp
3、 - 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 modulat
4、ion.gdpower - Signal with a power-law group delay.Choice of Particular Signalsaltes - 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
5、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 s
6、ignal.klauder - Klauder wavelet in time domain.mexhat - Mexican hat wavelet in time domain.tftb_window - Window generation (previously window.m).Addition of Noisenoisecg - Analytic complex gaussian noise.noisecu - Analytic complex uniform noise.Modificationscale - Scale signal using Mellin transform
7、.Processing FilesTime-Domain Processingifestar2 - Instantaneous frequency estimation using AR2 modelisation.instfreq - Instantaneous frequency estimation.loctime - Time localization characteristics.Frequency-Domain Processingfmt - Fast Mellin transformifmt - Inverse fast Mellin transform.locfreq - F
8、requency localization characteristics.sgrpdlay - Group delay estimation.Linear Time-Frequency Processingtfrgabor - Gabor representation.tfrstft - Short time Fourier transform.Bilinear Time-Frequency Processing in the Cohens Classtfrbj - Born-Jordan distribution. tfrbud - Butterworth distribution. tf
9、rcw - 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
10、 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 inter
11、ference 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 Classtfrbert - Unitary Bertrand distribution.tfrdfla - D-Fland
12、rin 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 Processingtfrrgab - Reassigned Gabor spectrogram.tfrrmsc - Reassigned Morlet Scalogram
13、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 Functionsambifunb -
14、 Narrow band ambiguity function.ambifuwb - Wide band ambiguity function.Post-Processing or Help to the Interpretationfriedman - Instantaneous frequency density.holder - Estimate the Holder exponent through an affine TFR.htl - Hough transform for detection of lines in images.margtfr - Marginals and e
15、nergy 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 - Measur
16、e Renyi information.ridges - Extraction of ridges.tfrideal - Ideal TFR for given frequency laws.Visualization & backupplotifl - Plot normalized instantaneous frequency laws.tfrqview - Quick visualization of time-frequency representations.tfrview - Visualization of time-frequency representations.tfrp
17、aram - 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.in
18、teg2d - Approximate 2-D integral.izak - Inverse Zak transform.istfr1 - returns true if a distribution is Cohens class type 1 (spectrogram)istfr2 - returns true if a distribution is Cohens class type 2 (Wigner-Ville)istfraff - returns true is a distribution is an affine class memberkaytth - Kay-Trett
19、er 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 illustrati
20、ng 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.
21、Overloaded methods:H5Z.ContentsH5T.ContentsH5S.ContentsH5R.ContentsH5P.ContentsH5ML.ContentsH5I.ContentsH5G.ContentsH5F.ContentsH5E.ContentsH5D.ContentsH5A.ContentsH5.Contentstimer/Contentsserial/Contentsinstrument/Contentsicinterface/Contentsmmreader/Contentsaudiorecorder/Contentsaudioplayer/Conten
22、tscommscope.Contentsdioline/Contentsdigitalio/Contentsdaqdevice/Contentsdaqchild/Contentsaochannel/Contentsanalogoutput/Contentsanaloginput/Contentsaichannel/Contentsrsmd/Contentsresultset/Contentsdrivermanager/Contentsdriver/Contentsdmd/Contentsdbtbx/Contentsdatabase/Contentscursor/Contentsyahoo/Co
23、ntentsidc/Contentsbloomberg/Contentseml.Contentsstrel/Contentsvideosource/Contentsvideoinput/Contentsimaqdevice/Contentsimaqchild/Contentsvisa/Contentsudp/Contentstcpip/Contentsserial/Contentsiviconfigurationstore/Contentsinstrument/Contentsicinterface/Contentsicgroup/Contentsicdevice/Contentsgpib/Contentsxregpointer/Contentsmbcmodel.Contentscontwostage/Contentsconrange/Contentsconinputfactor/Contentsopcroot/Contentsopcda/Contentsdaitem/Contentsdagroup/Contentsrfmodel.Contentsrfdata.Contentsrfckt.Contentsrfchart.Contents
