Design of FFT processor based on FPGA

Based on the structure and the operational characteristics of fast fourier transform(FFT),a implementation method of FFT in field programmable gate array(FPGA) is presented.It employed radix-2 algorith and divided the FFT processor several modules,and carried out the programming with the VHDL to each module.The succession analysis result and the Matlab computed result compared has confirmed the design accuracy under Quartus II software environment comprehensive simulation.The combination of FPGA and FFT increased the handling speed of FFT processors and expanded in the field of application.