Abstract
This paper introduces the design and implementation of a large points FFT acceleration unit of multi-processor system based on FPGA. It introduces radix-2 DIT-FFT algorithm and the features of hardware platform. It analyzes the FFT acceleration unit overall and divides it into several modules. Then hardware implementations of modules are discussed. The whole FFT acceleration unit is a part of one multi-processor image processing system and the whole system is tested by software and hardware co verification. Results are verified between the software simulation and Virtex6 evaluation board of Xilinx Company. The results are compatible in the range of error. The FFT acceleration unit meets the needs of the whole system and the design is successful.
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