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引用次数: 1

摘要

基于数字位同步技术,比较了QPSK解调和QAM解调信号的特性,对Gardner算法进行了改进,并利用Matlab进行了仿真。设计了基于Gardner算法的16QAM基带信号位同步,并使用Modelsim进行仿真分析,对改进算法进行降噪,达到预期效果。
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Research and implementation of 16QAM based on FPGA
Based on the digital bit synchronization technology, Compared the characteristic QPSK demodulation and QAM demodulation of signals, To improve Gardner algorithm and use the Matlab simulation. Designed based on the Gardner algorithm 16QAM baseband signal bit synchronization, and used Modelsim simulation analysis, Demodution the improved algorithm to achieve the desired results.
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