无人机探地雷达零自相关区相码移位键控探测信号

R. Ipanov, A. Komarov, Nikita Luchkovskiy
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引用次数: 1

摘要

现有探地雷达(GPR)的缺点是探测距离地球表面较局地,或者在探测冰川时使用安装在特殊平台上的直升机型探地雷达进行探测,影响了系统的性能,增加了经济成本。机载GPRs的最佳解决方案是使用无人驾驶飞行器(UAV)进行安装。在这项工作中,对于无人机机载的探地雷达,用极低水平的侧瓣和足够大的基数合成探测相码移位键控(通常是多相)信号,以实现探地雷达所需的能量潜力。对二元和三相探测信号的相关特性进行了比较分析。
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Phase-Code Shift Keyed Probing Signals with Zero Autocorrelation Zone for Ground Penetrating Radar Onboard of Unmanned Aerial Vehicle
The disadvantage of existing ground penetrating radars (GPR) is that the probing is local in nature from the earth's surface, or, when exploring glaciers, probing is carried out using helicopter-based GPRs mounted on a special platform, which affects the system's performance and increases economic costs. The best solution for air-based GPRs is to use unmanned aerial vehicle (UAV) for their installation. In this work, for a GPR onboard of an UAV, a probing phase-code shift keyed (generally polyphase) signal is synthesized with an extremely low level of side lobes and a sufficiently large base for realizing the required energy potential of the GPR. A comparative analysis of the correlation characteristics of binary and three-phase probing signals (PS) is carried out.
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