一种提高光电跟踪设备捕获概率的搜索方法

大型光电跟踪设备跟踪测量精度高、惯量大、视场小，不具备大空域搜索目标能力，一般依靠雷达等设备提供的引导信息发现捕获目标，当目标引导误差超出光电设备视场后，光电跟踪设备难于发现目标。提出了一种在引导信息基础上的小空域快速螺旋搜索方法，通过系统建模仿真和外场试验验证，此方法适用于在目标引导信息误差超出视场情况下，快速搜索发现目标。在引导误差不超出两倍视场情况下，此方法可使捕获目标概率从20%左右提高到70%左右。此方法搜索过程中转台运动平稳，可根据不同光电设备系统性能、实际目标运动特征和引导误差灵活改变螺旋搜索参数，大大提高光电跟踪设备目标捕获概率，是大型光电跟踪设备小空域快速搜索发现目标的一种实用有效的方法，具有很高的通用性。

Abstract

As the large optoelectronic tracking device has the features of high tracking and measuring precision, large inertia and small field, it has no ability to search targets in large sky scope. Generally, it depends on the leading information from radars to find targets. Once the information′s error exceeds the field of the device, it′s hard for the optoelectronic tracking device to find the target. A quick helical search method in small sky scope was proposed based on the leading information. According to system model simulation and experiments, the method helped the large optoelectronic tracking device to capture target quickly when the target′s leading information error outranged the field. The acquisition probability of targets was increased from 20% to 70% when the leading information error was less than twice of the device field. The turntable runned smoothly when applying this search method, and the searching parameters can be changed flexibly according to properties of different optoelectronic devices, features of targets and targets guiding error. It greatly improves acquisition probability of targets, and it is a kindpractical and effective method for large optoelectronic device to find targets quickly in small sky scope. This method has high versatility.

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张海波, 马勇辉, 季东, 陈冬, 王华培. 一种提高光电跟踪设备捕获概率的搜索方法[J]. 红外与激光工程, 2016, 45(2): 0217003. Zhang Haibo, Ma Yonghui, Ji Dong, Chen Dong, Wang Huapei. Search method to improve acquisition probability for optoelectronic tracking device[J]. Infrared and Laser Engineering, 2016, 45(2): 0217003.

一种提高光电跟踪设备捕获概率的搜索方法

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