Computation and error analysis of target guiding data on motional platform
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摘要: 根据平台和目标的位置、姿态信息，利用旋转矩阵建立了运动平台目标引导模型。在此基础上进行仿真分析，通过计算平台和目标数据存在不同水平误差条件下引导数据的精度，研究了平台和目标数据对引导数据精度的影响。仿真结果表明，对方位角引导数据精度影响较大的参数为平台经度，纬度以及航向角；对俯仰角引导数据精度影响较大的参数为平台经度、纬度、俯仰角以及横滚角；对距离引导数据精度影响较大的参数为平台经度和纬度。Abstract: Based on position and altitude information of target and platform, a target guiding model of motional platform is established using rotation matrix. By introducing data error of different levels, the influence of target and platform information on the accuracy of guiding data is simulated and analyzed. It is demonstrated that the data errors of platform longitude, latitude, and yaw have significant impacts on the accuracy of azimuth, the data errors of platform longitude, latitude, pitch and roll have significant impacts on the accuracy of elevation, the data errors of platform longitude and latitude have significant impacts on the accuracy of range.
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Key words:
- target guiding /
- motional platform /
- rotation matrix /
- azimuth /
- elevation angle /
- range
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