Maritime Surveillance Using Spaceborne GNSS-Reflectometry: The Role of the Scattering Configuration and Receiving Polarization Channel

2018 IEEE 4th International Forum on Research and Technology for Society and Industry (RTSI) Pub Date : 2018-09-01 DOI:10.1109/RTSI.2018.8548373

A. D. Simone, G. D. Martino, A. Iodice, D. Riccio, G. Ruello, L. Millefiori, P. Braca, P. Willett

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引用次数: 3

Abstract

Recent studies have analyzed the chance of exploiting Global Navigation Satellite Systems (GNSS)-Reflectometry observables for maritime surveillance and sea target detection. In this paper, we provide a feasibility study of the ship detection problem using spaceborne GNSS-R data. The analysis is performed via the evaluation of the signal-to-noise-plus-clutter-ratio and signal-to-noise-ratio relevant to an isolated ship target in open sea. In particular, we investigated the impact of the GNSS-R acquisition geometry and radar signal polarization. The influence of sea state and ship orientation is assessed as well. The analysis is based on a sound theoretical electromagnetic model of the bistatic radar cross section of the ship target. The analysis clearly shows the benefits of 1) the backscattering configuration with respect to the conventional forward-scattering one and 2) the RHCP receiving channel w.r.t. the conventional LHCP one, used in sea surface analysis. However, the ship orientation and the sea state still play a key role in ship detectability.

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基于星载gnss反射的海上监视:散射配置和接收极化通道的作用

最近的研究分析了利用全球导航卫星系统(GNSS)-反射测量观测资料进行海上监视和海上目标探测的机会。本文对基于星载GNSS-R数据的舰船检测问题进行了可行性研究。通过评估公海孤立舰船目标的信噪加杂波比和信噪比来进行分析。特别地，我们研究了GNSS-R捕获几何形状和雷达信号极化的影响。并对海况和船舶方位的影响进行了评估。该分析是建立在完善的双基地雷达舰船目标截面理论电磁模型的基础上的。分析清楚地表明:1)后向散射配置相对于传统前向散射配置的优点;2)RHCP接收通道相对于传统LHCP接收通道的优点，用于海面分析。然而，船舶航向和海况对船舶的可探测性仍然起着关键作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 IEEE 4th International Forum on Research and Technology for Society and Industry (RTSI)

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