空中分布式协同时差测量系统目标定位技术研究

doi:10.3969/j.issn.1001-506X.2020.04.09

摘要/Abstract

摘要：

针对地面单站低频雷达及多站协同时差测量系统的缺点,提出了一种有源三动平台空中分布式协同时差测量系统。给出了空中分布式协同时差测量系统的目标定位方法,建立了定位及交班误差分析模型,对精度和测量条件等进行了研究。最后,通过仿真验证了其相对于单站雷达的精度。该系统在实现远距离隐身目标高精度定位的同时,可大大降低系统对地面及动平台末制导探测设备的要求。

关键词: 空中分布式协同测量, 时差测量, 目标定位, 精度分析

Abstract:

To consider the shortcomings of ground single low frequency radar and distributed coordinated time difference measurement system, an active three moving platforms air distributed coordinated time difference measurement system is presented. The target location method and error analysis models are given. The precision measurement conditions are researched. Finally, the precisions relative to single radar are confirmed by means of simulation. Based on the system, the high target location precision can be realized, especially to stealth targets. At the same time, the requirement of ground and moving platform terminal guidance detection equipment can be reduced.

Key words: multi-station coordinated time difference, time difference measurement, target location, precision analysis

中图分类号:

TP391

董爱, 夏芒, 李陟, 卓志敏. 空中分布式协同时差测量系统目标定位技术研究[J]. 系统工程与电子技术, 2020, 42(4): 799-805.

Ai DONG, Mang XIA, Zhi LI, Zhimin ZHUO. Research on air distributed coordinated time difference measurement system target location technology[J]. Systems Engineering and Electronics, 2020, 42(4): 799-805.

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测量量	测量设备	主要功能
目标与雷达之间的距离	地面雷达	提供照射能量;测量目标和主动平台斜距
主动平台与雷达之间的距离	地面雷达	提供照射能量;测量目标和主动平台斜距
主辅动平台之间的距离	动平台间定位设备	测量主辅动平台间的相对距离
主动平台空地时差	动平台上时差测量设备	测量空地时差
主辅动平台联合测量目标回波到主辅动平台的时间差	动平台间干涉仪	测量目标到动平台间的时间差

主辅动平台间距/m	β	α/(°)	主动平台视线交班角误差/(°)
300	75°±25°	≤20	0.7
400	75°±40°	≤45	0.7

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