| 基于Matlab的数字滤波器设计及其在捷联惯导系统中的应用 |
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| 引用本文： | 陈江良,陆志东. 基于Matlab的数字滤波器设计及其在捷联惯导系统中的应用[J]. 中国惯性技术学报, 2005, 13(6): 10-12 |
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| 作者姓名： | 陈江良 陆志东 |
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| 作者单位： | 飞行自动控制研究所,西安,710065 |
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| 摘 要： | 通过对某型直升机惯性导航系统输出的角速度和加速度信号的频谱分析，提出了采用Matlab设计IIR低通滤波器，并对原信号进行了滤波处理。实践证明，所设计的数字滤波器在不增加硬件的条件下，占用很少的计算机资源，实现了信号的实时滤波计算。
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| 关 键 词： | 数字滤波器 捷联惯性导航系统 Matlab 无限冲击响应 |
| 文章编号： | 1005-6734(2005)06-0010-03 |
| 收稿时间： | 2005-10-12 |
| 修稿时间： | 2005-10-12 |
Digital Filter Design Based on Matlab Software and Its Application in SINS |
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| CHEN Jiang-liang,LU Zhi-dong. Digital Filter Design Based on Matlab Software and Its Application in SINS[J]. Journal of Chinese Inertial Technology, 2005, 13(6): 10-12 |
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| Authors: | CHEN Jiang-liang LU Zhi-dong |
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| Abstract: | By analyzing the frequency spectrum of the angular velocity and the accelerator signals from inertial navigation system of certain helicopter, a low-pass digital filter is presented which uses Matlab software tools to design it and deal with original signals. The experiment proves that the digital filter can accomplish real-time filtering calculating of signals at low computational cost and without adding any hardware. |
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| Keywords: | digital filter inertial navigation system Matlab IIR |
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