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引用本文：

李正刚,任清华,赵长雷.变换域通信系统QAM调制及抗干扰性能仿真[J].电讯技术，2008，48（11）： - . [点击复制]
.QAM Modulation of Transform Domain Communication System and its Performance Simulation for Interference Suppression[J].，2008，48（11）： - . [点击复制]

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变换域通信系统QAM调制及抗干扰性能仿真

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摘要:

针对变换域通信系统现有调制方式频谱效率较低的情况,提出了在变换域通信系统中实现QAM调制(TD-QAM)的方法。基于MATLAB,验证了TD-QAM的正确性,仿真了TD-QAM在部分频带干扰下的性能。结果表明,所提出的TD-QAM差错概率与常规数字QAM调制一致,同时具备较强的抗部分频带干扰的能力。

关键词: 变换域通信系统,TD-QAM调制,抗干扰,差错概率

DOI：

基金项目:国家"863"创新基金项目

QAM Modulation of Transform Domain Communication System and its Performance Simulation for Interference Suppression

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Abstract:

A QAM realization method in transform domain communication system(TDCS) is proposed to increase the spectrum usage.The effectiveness of realizing TD-QAM is demonstrated by simulating with MATLAB,and the interference suppression performance in partial bands jamming is simulated.The result shows that TD-QAM can effectively increase the spectrum usage,while obtaining the ability to interference suppression.

Key words: transform domain communication systems(TDCS),TD-QAM modulation,interference suppression,BER,