摘要
为了实现机载光电平台测角精度的精确分析,引入了基于蒙特卡洛模拟的估计方法,并进行了实验对比验证。首先讨论了蒙特卡洛模拟在测角精度分析中的应用;然后提出了基于蒙特卡洛模拟的测角精度分析流程,并且运用MATLAB获得了蒙特卡洛模拟测角精度;最后通过经纬仪与平行光管进行了实验测试并得到实验测角精度。通过对比分析模拟测角精度和实验测角精度可知,蒙特卡洛模拟获得的测角精度与试验数据接近,相对误差为1.59%。实验分析结果表明了蒙特卡洛模拟分析测角精度的可行性,蒙特卡洛模拟分析法可以帮助设计人员在设计阶段得到航空平台的测角精度,有助于进行各框架的误差分配,提高设计效率、节约成本。
In order to realize the accurate analysis of angle measuring accuracy based on Monte Carlo simulation , one estimation method is investigated in this paper , and the experiment validation is also carried out .First the Monte Carlo simulation application in angle measurement accuracy analysis is discussed .Then the analysis process precision of angle measurement based on Monte Carlo simulation is presented .And by using MATLAB the Monte Carlo simulation of measuring accuracy is obtained .Finally using the theodolite and parallel light pipe test , the ex-perimental precision of angle measurement is obtained .Through the comparative analysis of the simulation precision of angle measurement and experimental precision of angle measurement , it can be shown that the Monte Carlo simu-lation precision of angle measurement and the obtained experimental data is close proximity , and the relative error is 1.59%.The experimental results and analysis show that the Monte Carlo simulation analysis of the feasibility of measuring precision , the Monte Carlo simulation analysis can help designers in the angle measuring accuracy of air-borne platform in the design stage , the error distribution of each frame , and in improving the design efficiency and save cost.
出处
《电子测量与仪器学报》
CSCD
北大核心
2015年第3期447-453,共7页
Journal of Electronic Measurement and Instrumentation
关键词
光电平台
蒙特卡洛法
测角精度
photoelectric platform
Monte Carlo method
angle measuring accuracy
