Chinese Journal of Lasers, Volume. 37, Issue 5, 1316(2010)

Laser Doppler Velocimeter for Vehicle Inertial Navigation System

Zhou Jian* and Long Xingwu
Author Affiliations
  • [in Chinese]
  • show less

    提出将激光多普勒测速仪(LDV)应用于车载惯性导航系统提供速度参数。阐述了激光多普勒测量自身速度的基本原理,设计了参考光束型LDV,并运用跟踪滤波、频谱细化及频谱校正技术对多普勒信号进行处理。理论分析与实验表明,参考光束型LDV解决了双光束不能进行离焦测量的难题;跟踪滤波器实时跟踪多普勒信号,去除基底信号和部分噪声,提高了信噪比;频谱细化和频谱校正技术,提高了频谱分辨率,使提取的多普勒频率更接近于真实值,减小了系统的测量误差。LDV可以为车载惯导系统提供有效的速度信息。

    Tools

    Get Citation

    Copy Citation Text

    Zhou Jian, Long Xingwu. Laser Doppler Velocimeter for Vehicle Inertial Navigation System[J]. Chinese Journal of Lasers, 2010, 37(5): 1316

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: measurement and metrology

    Received: Jun. 11, 2009

    Accepted: --

    Published Online: May. 11, 2010

    The Author Email: Zhou Jian (wttzhoujian@163.com)

    DOI:10.3788/cjl20103705.1316

    Topics