| 基于小波分析的捷联式惯导系统的初始对准方法研究 |
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| 引用本文： | 张传斌,邓正隆. 基于小波分析的捷联式惯导系统的初始对准方法研究[J]. 高技术通讯, 2002, 12(5): 87-89 |
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| 作者姓名： | 张传斌 邓正隆 |
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| 作者单位： | 哈尔滨工业大学控制科学与工程系,哈尔滨,150001 |
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| 摘 要： | 对于光纤陀螺捷联式惯导系统，提出了一种新的初始对准方法，采用小波分析方法撮初始对准的有用信号；用二位置法确定初始方向余统矩阵，同时对光纤陀螺的常值漂移和加速度计零偏置进行标定。仿真结果表明了这种方法的有效性。
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| 关 键 词： | 小波分析 捷联式惯导系统 光纤陀螺 初始对准技术 标定 SINS 导航系统 |
A Study on Initial Alignment Technique for Strapdown Inert ial Navigation System Based on Wavelet Analysis |
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| Zhang Chuanbin,Deng Zhenglong. A Study on Initial Alignment Technique for Strapdown Inert ial Navigation System Based on Wavelet Analysis[J]. High Technology Letters, 2002, 12(5): 87-89 |
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| Authors: | Zhang Chuanbin Deng Zhenglong |
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| Abstract: | For the strapdown inertial navigation system (SINS) using fiber optical gyros (FOGs), a novel technique for initial alignment is proposed Firstly, wavelet analysis is used to extract the useful signal for initial alignment Secondly, two position technique is employed to obtain the initial direction cosine matrix, at the same time, the random constant drift of FOG and basis at zero input of accelerator are calibrated Simulation results show the validity of the method proposed in this paper |
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| Keywords: | SINS FOG Initial alignment technique Calibration |
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