The FPGA implementation of Matched Correlation Filter

被引:0
|
作者
La, Chao [1 ]
Liu, Ming Jie [1 ]
Li, Xiao Feng [1 ]
机构
[1] Beijing Inst Technol, Sch Mechatron Engn, Beijing 100081, Peoples R China
关键词
Matched algorithm; Correlation algorithm; Radix-4; FFT; FPGA;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The Matched correlation filter based on FPGA is designed for quasi real-time processing of impact acceleration signal in this paper. The design integrates match-filtering algorithm with correlation algorithm, proposing matched correlation algorithm. According to this algorithm, the design uses two Radix-4 FFT modules to complete the correlation operations, using single sine wave as matching model signal which has better correlation with impact acceleration signal. Furthermore, a re-sampling module and data integration module are added for the stability and reliability of signal processing. The filter was simulated and demonstrated by Modelsim for its good quasi real-time processing and reliability.
引用
收藏
页码:1114 / 1117
页数:4
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