MATLAB: Yule walker psd

psd

i m using matlab 7.8.0 r2009a.when i plot yule walker psd the x axis shows normalized frequency.i want to have the frequency in hertz. pyulear(b1,20); this is the command i am using. what should i do.

Best Answer

You can use the following syntax:

pyulear(b1,20,[],Fs)

where Fs is your sampling frequency.

Related Solutions

MATLAB: Yule walker psd

The k1 are the power estimates as a function of frequency. If you enter

    10*log10(k1)

You will see that those values agree with the plotted values.

256 is the default NFFT length. So

    x = randn(100,1);
    y = filter(1,[1 1/2 1/3 1/4 1/5],x);
    pyulear(y,4,[],1000);   
    % compare with
    k1 = pyulear(y,4,[],1000);
    figure;
    plot(10*log10(k1)); grid on;

MATLAB: Plot attenuation against wavelength

Hi Hadeel,

Here is an example of Signal Attenuation Due to Rainfall:

c = physconst('lightspeed');
rr = 20.0; 
freq = [1:1000]*1e9;
L = rainpl(10000,freq,rr);
wavelength = c./freq;  % wavelength calculated by speed of light/frequency
semilogx(wavelength,L)
grid
xlabel('Wavelength (m)')
ylabel('Attenuation (dB)')

Best Answer

Related Solutions

MATLAB: Yule walker psd

MATLAB: Plot attenuation against wavelength

Related Question