Calculate phase difference between two sine waves on FPGA

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Helen
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Joined:Sat Feb 18, 2017 8:46 am
Calculate phase difference between two sine waves on FPGA

Post by Helen » Mon Mar 06, 2017 1:32 pm

I have a problem to calculate phase difference between two sine waves on FPGA. Can anyone help please? Theoretically I could use the equation:
phase difference = arc cos (x1.x2/|x1||x2|), where x1 and x2 are the sine waves.
However I am looking for a practical solution that can be calculated on FPGA. Any bright idea please? Or how to implement the theoretical solution on FPGA? Thanks.

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