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

Abstract

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

CLC Number:

TP391

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.

Figures/Tables 9

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References 32

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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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