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Prof Gilbert Strangs video lectures on Linear algebra available in MIT opencourseware
site.
the link is
h**p://ocw.mit.edu/OcwWeb/
Free video lectures available also in
h**p://freevideolectures.com/
music direction finding
Refer Array signal processing by Neilson
To construct E(FF*) do u have the signal without noise i mean(F),go for E(XX*). music and espirit of DOA estimation methods coming under subspace methods.
Try understanding subspace methods and orthogonality concepts.
I will try...
Re: frequency in MATLAB
if your sampling frequency is Fs and if u r taking an N pt FFT, then ur frequency resolution is Fs/N. so if u r not satisfied with ur resolution try Zero padding the signal to make it large in samples or simply collect more samples before taking FFT.
Re:FFT
FFT is an efficient method of calculating the DFT of a signal.
to calculate DFT it need computations of the order of square N.
FFT need computation of the order of NlogN.As the value of N(no of samples increases)
the computational advantage is immense.
As about the difference betwenn...
Re: Matrix inversion
Will this work for complex matrix. If the matrix is rank deficient will this give a psuedo inverse. which inversion method is computationwise most effective. I wanted to implement complex matix inversion in a DSP processor.
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