Design of Frequence and Angle Measurement System Based on FFT and Monbit Receiver

Xiu Qing Zhang; Guo Chen An; Xiao Jun Wang

doi:10.4028/www.scientific.net/AMM.236-237.923

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 236-237Design of Frequence and Angle Measurement System...

Design of Frequence and Angle Measurement System Based on FFT and Monbit Receiver

Abstract:

In this paper, a design method of high-speed, real-time digital pulse compression module based on Xilinx FPGA devices and Monbit receiver is introduced. A novel changeable-points of 256 or 1024 for three channels Digital Pulse Compression(DPC) with realizing FFT , complex-multiplication and IFFT function are presented which is accomplished by FPGA. A top-down flow has been used in the system. The whole design, which characters high stability, small logic resource occupation, low power consumption, is implemented with only one chip of FPGA XC2V500-5 for one channel. It takes 73.31us to complete a 1024-point DPC. Compared with the MATLAB simulation results, our module can accomplish function of 32k points digital pulse compression of 200MSPS throughput.

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Periodical:

Applied Mechanics and Materials (Volumes 236-237)

Pages:

923-928

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.236-237.923

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Online since:

November 2012

Authors:

Xiu Qing Zhang, Guo Chen An, Xiao Jun Wang

Keywords:

Digital Pulse Compression (DPC), Fast Fourier Transform (FFT), Monbit Receiver

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