Real-time phase difference measurement method with FPGA speeding up
Guoxiong Wang
Abstract
Guoxiong Wang
Abstract
In order to measure the phase difference at high speed,using the analyzing solution in frequency domain,with the field programmable gate array(FPGA),the FFT transformation was finished.The coordinate rotation digital computer(CORDIC) algorithm was used to improve the performance of the FPGA.A new real-time phase difference measurement method was proposed.The simulation results show that accurate measurement result can be obtained at high speed.
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In order to measure the phase difference at high speed,using the analyzing solution in frequency domain,with the field programmable gate array(FPGA),the FFT transformation was finished.The coordinate rotation digital computer(CORDIC) algorithm was used to improve the performance of the FPGA.A new real-time phase difference measurement method was proposed.The simulation results show that accurate measurement result can be obtained at high speed.
Key concepts: CORDIC, Field-programmable gate array, Fast Fourier transform, Phase difference, Computer science, Rotation (mathematics), Measure (data warehouse), Phase (matter)