基于FPGA的匹配滤波接收机实现技术研究

摘要

高效数字匹配滤波器设计是数字接收机中提高信噪比改善系统信号处理性能的一项关键技术.数字匹配滤波器在通信和雷达接收机中应用广泛,文中分析了匹配滤波接收机的基本原理,介绍了QPSK信号匹配滤波接收机的FPGA实现过程,并给出了基于Xilinx ISE 8.2i的Test Bench Waveform仿真结果.%Efficient digital matched filter in digital receiver is designed to improve signal-to-noise ratio improve system signal processing properties of a key technology. Digital matched filter has more and more application in communication and radar receiver. The paper analyzed the basic principle of matched filter, implementation on matched filter receiver of QPSK signal based on FPGA has been introduced, and the simulation results based on the Test Bench ISE 8. 2i Waveform is presented.