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IRST被动定位研究
引用本文:王学伟,沈同圣,周晓东.IRST被动定位研究[J].激光与红外,2001,31(6):362-363,373.
作者姓名:王学伟  沈同圣  周晓东
作者单位:海军航空工程学院自动控制系,
摘    要:IRST的被动定位实质上是一个动态三角测量法,对于固定目标,可以利用多次测量和最小二乘法降低定位误差。当目标和IRST都匀速运动时,产生了定位的多值性,从而引出了平台机动是进行被动测距的必要条件。在此基础上,介绍了利用修正的球坐标进行测距和方法。

关 键 词:被动定位  被动测距  角度跟踪  球坐标  红外搜索  跟踪系统
文章编号:1001-5078(2001)06-0362-02

Passive Location of IRST
WANG Xue wei,SHEN Tong sheng,ZHOU Xiao dong.Passive Location of IRST[J].Laser & Infrared,2001,31(6):362-363,373.
Authors:WANG Xue wei  SHEN Tong sheng  ZHOU Xiao dong
Abstract:The passive orientation of IRST is a dynamic triangle measurement.For the fixed target, the orientation error can be minimized by multiple measurements and the least squares(LS) method.When the target and the observer are all in uniform motion, the orientation cannot be determined. Therefore, the necessary condition that the platform must have acceleration was introduced. As the main method, the modified sphere coordinate (MSC) which is used in the pasive ranging was presented.
Keywords:passive location  passive ranging  angle  only tracking  modified sphere coordinate (MSC)
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