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Altera_Forum
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18 years ago

How to implement correlation

Hi, I want to perform a crosscorrelation of 2 datavectors within a FPGA. I am working with the dsp developmentboard from altera, with an EP2C70 on it. With the onboard adc I acquire data with 1...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Provided you have it all in hardware, the time approach will be faster. it is a rather trivial operation, have linear storage with the 2400 values and a shift register with the 2400 last samples. Then multiply the values with the same index and integrate. New sample - shift and repeat. Basically a multiply and accumulate (MAC) over 2400 samples.

Rene