spectral+transform 源代码

% VTB7 % % VTB7_1 is an example of taking a power spectral density % of data. The power spectral density of a signal % …

function [ret,x0,str]=psddemo(t,x,u,flag); %PSDDEMO is the M-file description of the SIMULINK system named PSDDEMO. % The block-…

function S=strip_spectral_correlation(x,y,N,a,g) % % STRIP_SPECTRAL_CORRELATION % estimate the spectral correlation d…

function phi=periodogramse(y,v,L) % % The windowed periodogram spectral estimator. % % phi=periodogramse(y,v,L) % % y -> the …

function phi=welchse(y,v,K,L) % % The Welch method of spectral estimation. % % phi=welchse(y,v,K,L); % % y -> the data vector…

function phi=correlogramse(y,L) % % The correlogram spectral estimator. % % phi=correlogramse(y,L) % % y -> the data vector %…

function phi = argamse(gamma,a,L); % generates L samples of an ARMA spectral density function phi % from the ARMA coefficients. …

function phi=btse(y,w,L) % % The spectral estimator using the Blackman-Tukey method. % The covariance lags are obtained from the s…

/* ******************************************************************************** * * GSM AMR-NB speech codec R98 Versi…

/* ******************************************************************************** * * GSM AMR-NB speech codec R98 Versi…