| 摘要: |
| 基于地球椭球参考模型空间目标定位坐标系的建立，提出通过在飞机上测量地面目标方位角和斜距这二维坐标信息，而不需要测量俯仰角信息对目标进行定位并用于电子地图的坐标转换方法，研究了算法误差和测量数据误差对定位精度的影响，并进行了仿真分析，验证了算法的有效性。 |
| 关键词: 坐标转换 定位 电子对抗 电子地图 地理信息系统 |
| DOI：10.3969/j.issn.1001-893X. |
| 投稿时间：2006-01-25修订日期：2006-06-20 |
| 基金项目:国防科技预研项目 |
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| Error Analysis and Simulation of a Coordinate Conversion Scheme for Airborne Position |
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| Abstract: |
| Based on the three - dimensional coordinate conversion system on the elliptical earth reference model, a positioning scheme is proposed depending on the airborne receiver data of a ground object with the azimuth of the object relative to the receiver and the distance between the receiver and the object, while the elevation angle measurements relative to the receiver are not used. The scheme can be used in electronic map. The effect of errors of the scheme and the measuring data on the positioning precision is analysed. The scheme is proved to be feasible by simulation. |
| Key words: coordinate conversion position location electronic countermeasure electronic map GIS |
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