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Topic Title: Expected value of a signal times conjugate transpose itself
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Created On: 28 November 2013 09:02 AM
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 28 November 2013 09:02 AM
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microtorrent135

Posts: 2
Joined: 28 November 2013

I want to know what does it means the Expected value of a signal X times the conjugate transpose of itself. X is a matrix with complex entries.

E[ X X']=?

Link removed/image/d86u7zvjh/
 28 November 2013 09:45 AM
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oneye

Posts: 169
Joined: 25 February 2008

http://en.wikipedia.org/wiki/Complex_conjugate

In mathematics, complex conjugates are a pair of complex numbers, both having the same real part, but with imaginary parts of equal magnitude and opposite signs.

Does this help ?

Note your link does not work.
 28 November 2013 10:58 AM
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microtorrent135

Posts: 2
Joined: 28 November 2013

I know about complex conjugate but I think It's better to show you the equations.
link:
s14.postimg.org/uy8it194h/equation.jpg
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