Radar Clutter Analysis Based on Sea-To-Sea Wave Propagation in SISO and SIMO Radar

2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI:10.1109/RFM56185.2022.10065227

Muhammad Nadiy Zaiaami, I. Pasya, N. E. Abd Rashid, Nor Najwa Ismail, Abdul Rahman Abdullah

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Abstract

Existing data on sea clutter in maritime radar was analyzed based on the conventional maritime radar that operated while both the transmitting and receiving antenna is located on the shore, detecting targets on the sea surface. For improvement of maritime radar performance, both the transmitting and receiving antenna is proposed to be mounted on vessels on the sea surface, creating a sea-to-sea propagation scenario. Therefore, the radar clutter in this situation needs to be newly evaluated. This paper presents a measurement of radar clutter in the above-mentioned scenario, emulated in a wave simulator facility. It was found that clutters in the form of positive Dopplers were dominantly present in the system, corresponding to the approaching wave, while small negative Dopplers were also measured, due to the receding wave. Additionally, measurement using a single-input multiple-output (SIMO) configuration found that the clutters increased statistically and in receiving power, due to the multiple receiving antenna used.

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基于SISO和SIMO雷达海波传播的雷达杂波分析

基于传统海上雷达的发射天线和接收天线均在岸上工作，探测海面目标，分析了现有海上雷达的海杂波数据。为提高海上雷达性能，建议将发射天线和接收天线均安装在海面船舶上，形成海对海传播场景。因此，这种情况下的雷达杂波需要重新评估。本文给出了上述情况下雷达杂波的测量方法，并在波模拟器上进行了仿真。发现系统中主要存在正多普勒形式的杂波，与逼近的波相对应，同时由于波的后退，也测量到小的负多普勒。此外，使用单输入多输出(SIMO)配置的测量发现，由于使用了多个接收天线，杂波在统计上和接收功率上都有所增加。

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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2022 IEEE International RF and Microwave Conference (RFM)

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