数字调制解调技术在数字通信中占有非常重要的地位,数字通信技术与FPGA的结合是现代通信系统发展的一个必然趋势。文中介绍了QPSK调制解调的原理,并基于FPGA实现了QPSK调制解调电路。MAX+PLUSII环境下的仿真结果表明了该设计的正确性。关键词:QPSK;FPGA;调制;解调Abstract: Technology of digital modulation and demodulation plays a important role in digitalcommunication system, the combination of digital communication technology and FPGA is acertainly trend .The paper introduces the principle of QPSK modulation and demodulation, thecircuit are also be realized based on FPGA. The simulation result under MAX+PLUSIIenvironment provides the correction of the design.Key words: QPSK; FPGA; modulation; demodulation
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