智能GPS软件接收机载波跟踪环路设计

唐斌; 喻夏琼; 董绪荣; 赵新曙

智能GPS软件接收机载波跟踪环路设计

1.
装备指挥技术学院导航研究中心, 北京 101416
2. 61081部队, 北京 100094

详细信息

中图分类号: P 228.4
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- 被引次数: 0
出版历程
- 收稿日期: 2006-03-30
- 网络出版日期: 2007-07-31

Design intelligent carrier tracking loop based on software GPS receiver

1.
Navigation Research Center, Academy of Equipment Command & Technology, Beijing 101416,China
2. 61081 Troop, Beijing 100094, China

摘要

摘要: 传统的GPS接收机设计较为固定,用户不能改变接收机各类参数以适应不同导航信号处理的需要.而软件接收机只需做较小改动就可以适应不同信号,能够迅速分析、仿真、实现各类算法.在GPS软件接收机的基础上,利用鉴频器辅助鉴相器的输出,引入一个模糊逻辑控制器,使得环路能够智能跟踪GPS信号的动态变化.实验结果证明所提出的设计方法与传统环路相比可大幅度缩短跟踪时间,减小环路滤波器带宽,并能消除周跳.
- GPS软件接收机 /
- 模糊逻辑控制器 /
- 载波跟踪环路
Abstract: Minimal invasive surgery assisted robot was developed in Robotics Institute in Beijing University of Aeronautics and Astronautics. Based on the requirement of neurological stereotactic surgery, dexterity of the robot was analyzed. Using concept of service sphere and service section, definition of dexterity was proposed at any point inside the workspace of the five degree-of-freedom robot, then, analysis method of workspace dexterity was proposed. Dexterity distribution within the workspace was given using numerical analysis and graphical display, and the result was verified through experiment on the robot physical prototype. With the help of dexterity distribution in workspace, reliable reference can be supplied for surgery operation planning.
- software global position system receivers /
- fuzzy logic controller /
- carrier tracking loop

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参考文献(1)

[1] 程乃平,任宇飞,吕金飞.高动态扩频信号的载波跟踪技术研究[J].电子学报,2003,31(12A):2147-2150 Cheng Naiping , Ren Yüfei, Lü Jinfei. Study of carrier tracking for high dynamic spread spectrum signals[J]. Acta Electronic Sinica, 2003, 31(12A):2147-2150(in Chinese) [2] 丁丹,程乃平,郝建华,等.QPSK载波锁相环的鉴频辅助方法研究[J].遥测遥控,2006,27(1):21-24 Ding Dan, Cheng Naiping, Hao Jianhua, et al. Study of the realization of QPSK carrier phase-locked loop aided by frequency-detection[J]. Journal of Telemetry, Tracking, and Control, 2006, 27(1):21-24(in Chinese) [3] Simon D , Sherief H El. Fuzzy logic for digital phase-locked loop filter design[J]. IEEE Trans, Fuzzy Syst, 1995, 3(2):211-218 [4] James B Y. Fundamentals of global positioning system receivers[M]. New York:John Wiley & Sons, 2000:165-173 [5] 唐斌,董绪荣,杨保平.GPS软件接收机基带信号处理研究[J]. 电光与控制,2007,3(2):15-22 Tang Bin, Dong Xurong, Yang Baoping. Research of baseband signal processing for software GPS receiver[J]. Electronics Optics & Control, 2007, 3(2):15-22(in Chinese) [6] 诸静.模糊控制理论与系统原理[M].北京:机械工业出版社,2005:235-247 Zhu Jing. Fuzzy control theory and system application[M]. Beijing:China Machine Press, 2005:235-247

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