基于运动被动接收机不完全噪声TOA测量的脉冲重复间隔提取

Yang Liu, F. Guo, M. Zhang, Wenli Jiang
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引用次数: 2

摘要

研究了静止脉冲雷达发射机在运动接收机观测缺失(不完整)的情况下,从噪声到达时间(TOA)测量数据中提取脉冲重复间隔(PRI)的问题。本文首先讨论了相对运动条件下周期整数的识别条件,然后提出了两种基于在发射器状态空间网格上补偿每次观测延迟的鲁棒算法。该算法在不需要特定的发射器位置信息的情况下,可以有效地降低模型不匹配带来的估计偏差。仿真研究表明,该方法可以提高PRI估计的精度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Extraction of Pulse Repetition Interval Based on Incomplete, Noisy TOA Measurements by the Moving Passive Receiver
This paper investigates the problem of extracting the pulse repetition interval (PRI) of stationary pulsed radar emitter from noisy time of arrival(TOA) measurements with missing observations (incomplete) by the moving receiver. The relative motion between the receiver and emitter induces the large estimation bias to estimate PRI, we first discuss the conditions on which identifying the period integer numbers under the circumstance of relative movement, then propose two robust algorithms based on compensating delay of each observations on emitter's status space grids. The proposed algorithms can efficiently reduce the estimation bias introduced by model mismatch without the requirement of specific emitter location information. Simulation studies indicates that the proposed solutions can improve the PRI estimation accuracy.
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