By requirement designing the QPSK modulator-demodulator circuit. 根据要求,设计并制作出具体的QPSK调制解调电路。
It proved that the QPSK modulator-demodulator based on FPGA is designed with high integration, great flexibility and upgrade in software. The design in this paper will provide technology for the further design in the modern communication system in the future. 本文基于FPGA实现的QPSK数字调制解调器具有体积小、集成度高和软件可升级等优点,这为设计高集成和高灵活性的通信系统提供了技术基础。