spectral+transform 源代码

% Program 11_10 % Spectral Analysis Using the DFT % N = input('Type in the length of DFT = '); T = input('Type in the sampling…

function[as,ps,s,K]=aawelch(x,w,D,L) %function[as,ps,s,K]=aawelch(x,w,D,L); %M=length(w)=section length; %L=number of samples d…

% Voicebox: Speech Processing Toolbox % % Audio File Input/Output % readwav - Read a WAV file % writewav - Write a WA…

% Program 8_10 % Spectral Analysis Using the DFT % N = input('Type in the length of DFT = '); T = input('Type in the sampling …

q=8; p=8; n=[0:1:15];y=exp(-((n-p).^2)/q); subplot(2,1,1);stem(y(1:16));title('noise time domain signal'); Y=fft(y,16); magY=…

function [tf,f] = TransferFunction(x,y,fsa,wla,ola,fra,pfa) %TransferFunction: Estimates transfer function of two signals. % % …

function [cs,f] = CrossSpectra(x1,x2,fsa,wla,ola,fra,pfa) %CrossSpectra: Computes the cross-spectra of two signals. % % [cs,f] =…

function [c,f] = Coherency(x1,x2,fsa,wla,sna,ola,nfa,pfa) %Coherency: Computes the estimated coherence of two signals. % % [c,f]…

function [as,f] = AutoSpectra(x,fsa,wla,ola,fra,pfa) %AutoSpectra: Estimates the autospectra of a signal. % % [as,f] = AutoSpect…

% Program 8_10 % Spectral Analysis Using the DFT % N = input('Type in the length of DFT = '); T = input('Type in the sampling …