[SOLVED] SNR estimation using roots of a polynomial

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Shruti01

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Hello,

I have roots of a 4th degree polynomial. Now i have to obtain the value of new snr value from these roots. But I have 4 roots so which value of root shall I consider my new snr estimate value. Which root out of these 4 roots will be the new SNR value?

Thank you for the help.

Shruti
 

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