TD滤波器在DTG寻北系统中的应用

2006 1st International Symposium on Systems and Control in Aerospace and Astronautics Pub Date : 2006-05-08 DOI:10.1109/ISSCAA.2006.1627447

Wei Jiang, G. Yi, Qingshuang Zeng, Lixian Zhang

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引用次数: 1

摘要

介绍了跟踪微分器(TD)滤波器在动态调谐陀螺寻北系统中的适用性和优越性。根据寻北系统的工作原理，首先设计了基于DSP的寻北系统结构。然后采用易于在DSP上实现的离散形式TD滤波器来消除陀螺输出信号中的噪声和干扰。实测数据表明，TD滤波器有效地提高了寻北精度，缩短了寻北时间

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Application of TD filter in DTG north seeking system

In this paper, the applicability and advantage of tracking differentiator (TD) filter in dynamically tuned gyro (DTG) north seeking system is presented. According to the working principle of north seeking system, the system structure is first designed based on DSP. Then TD filter with discrete form, which is easily realized in DSP, is adopted to eliminate both the noise and disturbance in the output signal of gyro. Practical measurement data are given to show that the north-seeking accuracy is improved effectively, and the seeking time is shortened by TD filter

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2006 1st International Symposium on Systems and Control in Aerospace and Astronautics

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