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Altera_Forum
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12 years ago

signal power estimation

Hello guys.. I'm trying to implement a block that evaluates the signal rms value along n samples. So, using the std definition one must do (x_k is a complex number so I have to take in acc...
Altera_Forum's avatar
Altera_Forum
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11 years ago

Hello guys..

Now I'm working with RMS power estimation again.. I have two complex signals: sig1 and sig2.

I measure the RMS of sig1 and sig2 with a vhdl block and then via software I calculate: [(float) RMS(sig1)] / [(float) RMS(sig2)] with sig1>sig2.

I want that RMS(sig1) ~= RMS(sig2). So I tried to multiply sig2 with a 16-int-constant related to [(float) RMS(sig1)] / [(float) RMS(sig2)] and then take the 16-MSB after that multiplication. By the way I think I'm still missing something because I see funny results..

Any suggestions ?

Thank you! have a nice day !