基于System Generator的QDPSK调制系统的设计
首发时间:2009-06-29
摘要:数字调制是将数字符号转换成适合信道特性的波形的过程,是通信系统的重要组成部分。本文简单介绍了目前已广泛应用于无线通信中的四相相对移相QDPSK调制的原理,并采用高级系统级FPGA开发工具System Generator实现了QDPSK的调制过程,最后给出了QDPSK调制系统的仿真结果。
关键词: QDPSK 调制解调 FPGA System Generator
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Design of QDPSK Modulation System Based on System Generator
Abstract:Digital modulation, an important part in communication system, is actually the process by which digital symbols are converted to various waveforms to fit communication channel characters. In this paper, the principle of four relative phase QDPSK modulation which has been widely applied in wireless communication is simply introduced. And then, the modulation process is implemented by System Generator, which is senior level system development tools of FPGA. At last, the simulation result of this modified QDPSK system is given.
Keywords: QDPSK modulation/demodulation FPGA System Generator
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No.3348948276412462****
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