
Re: spectrum estimation using welch method...
Posted:
May 12, 2014 3:54 PM


On Monday, May 12, 2014 10:57:10 PM UTC+12, shkelzen wrote: > "gunvant" wrote in message <j1j1de$t8t$1@newscl01ah.mathworks.com>... > > > hi all... > > > > > > i am trying to estimate psd using welch method...but i m stuck on one part.. > > > > > > actually i being asked to extract 2 sec of data from 1 minute .wav file and then asked to fragment it into 200 segment of 10 ms of each...then i have to estimate psd using pwelch function and store the result as matrix to plot spectrogram using the imagesc function.. > > > > > > can somebody help with this...? > > > > > > thanks.. > > > > Hi Gunvant, > > > > I have a question on that if you can help me out managing this:plot the spectrogram estimate with time along the xaxis and frequency along yaxis, use color coding to represent power, after obtaining the power spectrum estimation using pwelch? > > > > can anybody help me out?
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