水下单信标导航系统具有系统复杂度低、灵活配置及隐蔽性高等特点,信标航路接近设计是UUV单信标自身惯导校准及成功定位的关键。文章首先对单信标基于频差(Frequency Difference Of Arrival,FDOA)导航原理进行介绍并对导航误差进行分析...水下单信标导航系统具有系统复杂度低、灵活配置及隐蔽性高等特点,信标航路接近设计是UUV单信标自身惯导校准及成功定位的关键。文章首先对单信标基于频差(Frequency Difference Of Arrival,FDOA)导航原理进行介绍并对导航误差进行分析,然后依据导航误差分布规律优化设计了单信标导航信标接近路径,提出了长航程UUV导航校准流程。在设计的长航程仿真场景中,利用若干单信标,实现了UUV的惯导误差校准。展开更多
Model GC1312S multifunction integrated optical circuit device (MIOC) used in inertial grade interferometric fiber optics gyroscopes (IFOGs) is fabricated by annealing and proton exchange process (APE). The unique feat...Model GC1312S multifunction integrated optical circuit device (MIOC) used in inertial grade interferometric fiber optics gyroscopes (IFOGs) is fabricated by annealing and proton exchange process (APE). The unique feature of the device is the incorporation of the beat detection circuit besides all the features the conventional single Y branch multifunction integrated optical circuit devices have. The device structure, operation principle and typical characteristics, etc., are briefly presented in this paper.展开更多
文摘水下单信标导航系统具有系统复杂度低、灵活配置及隐蔽性高等特点,信标航路接近设计是UUV单信标自身惯导校准及成功定位的关键。文章首先对单信标基于频差(Frequency Difference Of Arrival,FDOA)导航原理进行介绍并对导航误差进行分析,然后依据导航误差分布规律优化设计了单信标导航信标接近路径,提出了长航程UUV导航校准流程。在设计的长航程仿真场景中,利用若干单信标,实现了UUV的惯导误差校准。
文摘Model GC1312S multifunction integrated optical circuit device (MIOC) used in inertial grade interferometric fiber optics gyroscopes (IFOGs) is fabricated by annealing and proton exchange process (APE). The unique feature of the device is the incorporation of the beat detection circuit besides all the features the conventional single Y branch multifunction integrated optical circuit devices have. The device structure, operation principle and typical characteristics, etc., are briefly presented in this paper.