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Multipath and ground clutter analysis for a UWB noise radar

机译:UWB噪声雷达的多径和地面杂波分析

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An ultrawideband (UWB) random-noise radar operating in the 1-2 GHz frequency band has been developed and field-tested up to a 200 m range at the Environmental Remote Sensing Laboratory (ERSL) of the University of Nebraska. A unique heterodyne correlation technique based on a delayed transmitted waveform using a photonic delay line has been used to inject coherence within this system. The performance of this radar in the presence of ground reflections is investigated analytically and experimentally, and the mitigating effects of UWB waveform on multipath-induced interference are analyzed. In addition, the ground clutter statistics, in a look-down mode, are theoretically established and experimentally verified. The performance of this radar in detecting clutter embedded targets with small radar cross section (RCS) is also experimentally examined.
机译:在1-2GHz频带中运行的超广域带(UWB)随机噪声雷达已经开发和现场测试,在内布拉斯大学的环境遥感实验室(ERSL)的环境中高达200米。基于使用光子延迟线的基于延迟发送波形的独特的异致相关技术已被用于在该系统内注入一致性。分析和实验研究了地面反射存在下这种雷达的性能,分析了UWB波形对多径诱导干扰的缓解效应。此外,在理论上建立和实验验证的地面杂波统计数据在视图模式下。在经过实验检查的情况下,在检测具有小雷达横截面(RCS)的杂波嵌入目标时,这种雷达的性能也是通过实验检查的。

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