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Topic: spectrum estimation using welch method...
Replies: 11   Last Post: May 13, 2014 10:47 AM

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Derek Goring

Posts: 3,919
Registered: 12/7/04
Re: spectrum estimation using welch method...
Posted: May 12, 2014 3:54 PM
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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..
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> >
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> > 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..
>
> >
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> > can somebody help with this...?
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> >
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> > thanks..
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>
>
> Hi Gunvant,
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>
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> I have a question on that if you can help me out managing this:plot the spectrogram estimate with time along the x-axis and frequency along y-axis, use color coding to represent power, after obtaining the power spectrum estimation using pwelch?
>
>
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> can anybody help me out?


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