基于FPGA的QPSK信号解调技术研究

Study of QPSK Signal Demodulation Via FPGA Implementation

介绍了一种用数字锁相环对QPSK信号解调的方法，并将该算法在FPGA硬件中实现，给出了硬件实现FPGA的解调效果及解调的性能指标。通过解调算法和原理上的分析对QPSK信号解调全过程进行了详细说明。

A novel design method of the FPGA implementation of QPSK demodulation is proposed. The principal of the algorithms of QPSK demodulation via digital phased lock loop （PLL） approach is thoroughly analyzed. The effectiveness of the FPGA hardware realization of QPSK signal demodulation is proved and performance of the method is given.