| GPS/SINS/SAR组合系统在弹道导弹末制导中的应用 |
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| 引用本文： | 蒋金龙,严祖铭,周海.GPS/SINS/SAR组合系统在弹道导弹末制导中的应用[J].飞行力学,2008,26(5). |
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| 作者姓名： | 蒋金龙 严祖铭 周海 |
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| 作者单位： | 中国三江航天集团,设计所,湖北,武汉,430035 |
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| 摘 要： | 在弹道导弹末制导中,由于多传感器组合导航系统的状态方程维数较大,因此应用集中滤波器处理会导致计算量大且容错性、可靠性不高。针对这种情况,采用无反馈模式的联邦滤波器,构建了GPS/SINS/SAR组合导航系统,并对其进行了仿真。仿真结果表明,该组合导航系统能较大地提高导弹的射击精度。
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| 关 键 词： | 组合导航 合成孔径雷达（SAR） 联邦滤波器 发射惯性坐标系 |
Application of the GPS/SINS/SAR Integrated Navigation System in Terminal Guidance of Ballistic Missile |
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| JIANG Jin-long,YAN Zu-ming,ZHOU Hai.Application of the GPS/SINS/SAR Integrated Navigation System in Terminal Guidance of Ballistic Missile[J].Flight Dynamics,2008,26(5). |
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| Authors: | JIANG Jin-long YAN Zu-ming ZHOU Hai |
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| Institution: | Designing Institute;China San Jiang Space Group;Wuhan 430035;China |
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| Abstract: | In terminal guidance of a ballistic missile,since the dimension of state equations of a multi-sensor integrated navigation system is great,the application of the centralized filter has the disadvantage of extreme capacity and the poor robust.Against this case,the non-feedback mode federal filter is adoped and the integrated navigation system with GPS/SINS/SAR is established in this paper.The mathematical results indicate the accuracy of gunnery of the missile can be largely increased by this algorithm. |
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