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Calculate phase difference between two sine waves on FPGA

Posted at: 06 - Mar - 2017

Category: LabView Projects

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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.