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Your question is not clear. What do you mean by this? " at which frequencies is located the information that describes the details of the signal after FFT"
Thanks a lot iVenky. I did it. Also, I have my code working. I also simulated it using the MFCC generated through the speech samples obtained through a linear predictive filter and estimated the norm between the two MFCC matrices. I visited your blog. Very nice of it. I follow your blog.I am...
I can't give the code.. But I can help you to try on your own.
Modulate the signal with the carrier. Obtain fourier transform. Suppress the other half by multiplying by a zero vector of length equal to half the sideband length all down to zero hertz, obtain inverse transformation and plot for...
If G(f-mfs) represents the band pass spectrum where m notequal to zero. Then g(t)= F^-1(G(f-m*fs)). Write out the integral expression for that using the definition of Fourier transform. Change the variable as p=f-m*fs. Obtain the integral in terms of low pass spectrum like integral of...
Re: Z Transform question
A piece of insight , I apologize if the content I am posting is redundant. I also accept with Jigsaw's argument. To add to more to it. Also note that Laplace transform generalizes the idea of Fourier transform in continuous domain which is capable of looking into...
Re: Z Transform question
If you want to explore on your own using jigsha's thoughts. Do this. Write down the condition for system stability given an IIR response sequence. Note what type of series does the given h(n) form? What is the condition for convergence of such a series? You ll derive at...
Assuming that the noise is additive .Take Fourier transform of the signal and plot the magnitude spectrum. Find the band of frequency over which the noise exists. The information signal would naturally have peaks near a band of frequencies as you can note. The noise would mostly exist in the...
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