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OFDM-MIMO相控阵雷达带宽合成方法研究 被引量：3

Method of bandwidth synthesis of OFDM-MIMO phased array radar
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摘要 OFDM-MIMO相控阵雷达采用的发射信号具有频率分集特性,通过带宽合成方法可将发射的窄带信号获得的回波合成为大的带宽信号,能显著提高雷达的距离分辨力.基于所建立的OFDM-MIMO相控阵雷达回波模型,分别讨论了时域和频域带宽合成处理方法,推导出了其所需要的相位补偿因子的理论表达式,并通过仿真实验对提出方法的有效性进行了验证. As the transmitted signals used in the OFDM-MIMO phased array radar are of frequency diversity, the echo signals from the transmitted narrow-band signals can be synthesized as wide bandwidth ones, which can improve the radar’s range resolution greatly. Based on the echo model established for the OFDM-MIMO phased array radar, this paper studies the processing methods for bandwidth synthesis respectively in time domain and frequency domain, derives the theoretical expression required for its phase compensation factor and verifies the effectiveness of the proposed method by simulation experiments.
作者 彭尚 王党卫 贺照辉 谷文堃
机构地区 空军预警学院
出处 《空军预警学院学报》 2015年第1期1-6,共6页 Journal of Air Force Early Warning Academy
基金 国家自然科学基金资助项目(61179015)
关键词 MIMO雷达 频率分集 带宽合成 MIMO radar frequency diversity bandwidth synthesis
分类号 TN958 [电子电信—信号与信息处理]
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共引文献70

同被引文献25

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空军预警学院学报
2015年 第1期

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