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MIMO天波超视距雷达正交信号设计研究 被引量：4

Study on Design of Orthogonal Signal for MIMO Over-the-horizon Radar
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摘要 多输入多输出雷达(MIMO Radar)体制综合采用多通道、等效发射波束形成技术,为天波超视距雷达(OTHR)面临的杂波多普勒扩展提供了一条有效的解决途径。具有良好的自相关性能和低互相关电平的正交波形集是MIMO雷达体制应用的关键。从信号处理的角度出发,利用互模糊函数对正交频分线性调频信号(OFD-LFM)的互相关峰值幅度及位置进行了分析,给出了正交信号的设计规律,仿真实验验证了分析的正确性。 Synthesizing the multiple-channel and non-causal transmit beamforming techniques, the multiple-input multiple-output radar architecture can provide a feasible approach for solving the Doppler-spread clutter in Over-the-horizon Radar（OTHR）. Orthogonal waveform set with good property of auto-correlation and low level of cross-correlation is crucial for MIMO radar architecture implementation. From the perspective of signal processing, based on cross-ambiguity function, the location and level of the cross-correlation peaks of orthogonal frequency division linear frequency modulation （OFD-LFM） signals are analyzed, then the design rule of orthogonal signal is presented. At last, the simulation results validate these anysics.
作者 牛志军 裴炳南 陈洁 高晓兵
机构地区 大连大学信息工程学院
出处 《电视技术》 北大核心 2012年第1期98-100,125,共4页 Video Engineering
基金 国家自然科学基金项目(60971107) 辽宁省高校创新团队支持项目(LT2010004)
关键词 多输入多输出雷达 天波超视距雷达 正交频分线性调频信号 模糊函数 互相关 MIMO radar over-the-horizon radar orthogonal frequency division linear frequency modulation signal ambiguty function cross-correlation
分类号 TN911.72 [电子电信—通信与信息系统]
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参考文献7

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二级参考文献14

  • 1贺鹏飞,吕英华,张洪欣,王野秋.基于Chirp-BOK调制的超宽带无线通信系统研究[J].南京邮电大学学报（自然科学版）,2006,26(2):21-25. 被引量：28
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共引文献70

同被引文献26

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引证文献4

二级引证文献7

电视技术
2012年 第1期

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