期刊文献+

基于双星敏/陀螺的联合滤波定轨方法

Orbit determination of federated filter based on dual star sensor/gyro
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摘要 针对卫星姿态确定中线性滤波方法的缺陷,提出一种用修正的罗德里格参数对卫星的姿态进行描述,该描述方法有效避免了欧拉角、四元数等存在的描述缺陷,设计了一种改进的混合式联合非线性滤波方法。用matlab对该算法进行了验证。仿真结果表明,该算法能有效提高滤波精度。 To determine the satellite attitude against defects in linear filtering method, a modified Rodrigues parameter is proposed to describe the attitude of the satellite, effectively avoiding the defects such as Euler angles and quaternions. An improved federated filter is designed based on nonlinear filtering method. The algorithm is verified by using matlab and the simulation results show that the algorithm can effectively improve the filtering accuracy.
出处 《北京信息科技大学学报(自然科学版)》 2014年第6期85-89,共5页 Journal of Beijing Information Science and Technology University
关键词 姿态确定 非线性滤波 修正的罗德里格参数 联合滤波 attitude determination nonlinear filter modified Rodrigues parameters federatedfilter
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参考文献9

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