Infrared and Laser Engineering, Volume. 51, Issue 12, 20220704(2022)

Height measurement method based on one-dimensional laser Doppler velocimeter and integrated navigation system of single-axis rotation inertial navigation system (invited)

Chunfeng Gao1, Guo Wei1、*, Qi Wang1, Zhenyu Xiong2, Zekun Yang1, Wenjian Zhou1, and Wanqing Liu1
Author Affiliations
  • 1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
  • 2Aerospace Technology Institute, China Aerodynamic Research and Development Center, Mianyang 621000, China
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    Figures & Tables(16)
    Schematic diagram of one-dimensional LDV measurement principle with dual-beam differential structure
    Schematic diagram of tilt angle between rotating coordinate frame and body coordinate frame
    Rotation attitude of uniaxial turntable
    Pitch angle output of single-axis rotation INS before the base tilt compensation
    Roll angle output of single-axis rotation INS before the base tilt compensation
    Pitch angle output of single-axis rotation INS after the base tilt compensation
    Roll angle output of single-axis rotation INS after the base tilt compensation
    Experimental vehicle and installation mode of LDV
    The path in the experiment
    Horizontal position change in the experiment
    Height change in the experiment
    Height measurement result of the first group of experiment (before attitude error compensation)
    Height measurement result of the first group of experiment (after attitude error compensation)
    Height measurement result of the second group of experiment (before attitude error compensation)
    Height measurement result of the second group of experiment (after attitude error compensation)
    • Table 1. Experimental results

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      Table 1. Experimental results

      ExperimentMaximum error of height measurement/mStandard deviation of height measurement error/m
      Group 1Without attitude error compensation32.356.762
      Before attitude error compensation−2.671.009
      Group 2Without attitude error compensation−27.6211.88
      After attitude error compensation1.680.588
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    Chunfeng Gao, Guo Wei, Qi Wang, Zhenyu Xiong, Zekun Yang, Wenjian Zhou, Wanqing Liu. Height measurement method based on one-dimensional laser Doppler velocimeter and integrated navigation system of single-axis rotation inertial navigation system (invited)[J]. Infrared and Laser Engineering, 2022, 51(12): 20220704

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    Paper Information

    Category: Invited paper

    Received: Sep. 30, 2022

    Accepted: --

    Published Online: Jan. 10, 2023

    The Author Email: Wei Guo (.weiguo@nudt.edu.cn)

    DOI:10.3788/IRLA20220704

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