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Altera_Forum
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15 years ago

Problem in Implementing Autocorrelation on Stratix II EP2S60 DSP Development Board

Hi there, I am trying to synchronize the transmitted signal with the receiver by energy detection. The transmitted signal is a sine wave and I plan to autocorrelate it to obtain the peak and th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

A practical approach is to measure mean power of your input in time domain. square up the input (I^2 + Q^2) and add up in accumulator 2^n samples then truncate n LSB bits from result.

I am assuming your input is not a mixture of sinusoids and other signals.