使用距离很近的时间样本的振幅比较测距

Proceedings of 2013 10th International Bhurban Conference on Applied Sciences & Technology (IBCAST) Pub Date : 2013-05-02 DOI:10.1109/IBCAST.2013.6512192

N. Ahsan, Z. Haider, S. Sultan

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引用次数: 1

摘要

本文提出了一种未知雷达辐射源距离估计的新方案。利用该算法，可以通过近间隔时间样本的幅值比较来确定未知雷达辐射源的距离。详细讨论了该测距方法的数学模型，并进行了计算机仿真。对于各种情况，估计了距离估计的标准差。对于正态入射，在考虑10dB信噪比和±1m观测器位置误差的情况下，对20Km距离估计的标准差仅为76m。并将该方法与传统三角剖分方法进行了比较。对比表明，对于单一平台配置，该方案在短时间内提供了更准确的距离估计。因此，对于需要快速更新的应用程序来说，它是一个合适的选择。

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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Ranging using amplitude comparison of closely spaced time samples

This paper presents a new scheme for the range estimation of an unknown radar emitter. With the proposed algorithm, range of unknown radar emitter can be determined by amplitude comparison of closely spaced time samples. A mathematical model of this ranging method is discussed in detail and supported by computer simulations. For various scenarios, the standard deviation in range estimate has been estimated. For normal incidence, the simulation results indicate that standard deviation in range estimate is only 76m for a 20Km range considering 10dB SNR and observer position error of ±1m. The comparison of proposed method with traditional triangulation method has also been presented. The comparison indicates that for a single platform configuration, the proposed scheme provides more accurate range estimation in a short span of time. Therefore, making it a suitable choice for applications where fast update is required.

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Proceedings of 2013 10th International Bhurban Conference on Applied Sciences & Technology (IBCAST)

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