光电成像导引察打一体无人机命中精度计算分析

针对采用电视或红外成像导引方式的自毁式侦察打击一体化无人机,在落点偏差正态分布假定下,根据相对目标的以圆概率误差（CEP）表示的命中精度的定义,忽略无人机滚转影响,对CEP与落点系统偏差和标准偏差的关系进行数学描述。结合系统工作原理和俯冲攻击流程,建立CEP和基于视频图像的跟踪导引系统和随机角误差及导引盲距（即最短有效导引距离）间的数学方程,并利用Mathcard数学软件举例计算分析。此方法可以用于依据给定CEP和导引盲距分解确定跟踪导引角误差参数,也可基于导引盲距和跟踪导引角误差预测CEP指标是否能够实现。

Calculation and analysis on hit accuracy of scout-attack integrated UAVs guided by electro-optic imaging

For the self-destroyed scout-attack integrated UAVs guided by TV or IR image,according to the definition of hit accuracy denoted by CEP under the normal distribution assumption for the landing deviation relative to target,the mathematic relationship of CEP with the system landing deviation and standard deviation is derived,while ignoring the rotation effects of UAVs.Furthermore,combined with the system operating principle and the dive attack process,mathematical equations are established to relate the CEP to the angular system errors and random errors of tracking and guiding based on the video imaging and the blind guiding distance (that is the shortest effective guiding distance to target).Examples of calculation and analysis are then given using the Mathcard software.This method can determine the tracking and guiding angular errors for given CEP and blind guiding distance,and predict whether or not the required CEP can be realized for certain tracking and guiding angular errors and blind guiding distance.