May 1, 2010 #1 Z zaed_salah Newbie level 4 Joined May 1, 2010 Messages 5 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,310 Hello everyone I am newbie in Matlab, and I want to generate and plot power spectrum density for analogue signal , using dsp.data.psd. Any help?? Thanks
Hello everyone I am newbie in Matlab, and I want to generate and plot power spectrum density for analogue signal , using dsp.data.psd. Any help?? Thanks
May 1, 2010 #2 Aya2002 Advanced Member level 4 Joined Dec 12, 2006 Messages 1,140 Helped 184 Reputation 376 Reaction score 117 Trophy points 1,343 Location Iraq Activity points 8,006 type in the help window of matlab the words (power spectral density) you will get some results may help you, see this example: Fs = 1000; t = 0:1/Fs:1; % 200Hz cosine + noise x = cos(2*pi*t*200) + randn(size(t)); pwelch(x,128,120,[],Fs,'onesided')
type in the help window of matlab the words (power spectral density) you will get some results may help you, see this example: Fs = 1000; t = 0:1/Fs:1; % 200Hz cosine + noise x = cos(2*pi*t*200) + randn(size(t)); pwelch(x,128,120,[],Fs,'onesided')