基于惯性坐标系旋转调制的INS辅助跟踪环路误差分析  

Analysed INS Aided Tracking Loop Error Based on Intertial Coordinate System Rotating Modulation

作　　者：张昀申[1] ZHANG Yunshen(No.92941 Troops of PLA,Huludao 125001)

机构地区：[1]92941部队

出　　处：《舰船电子工程》2018年第3期51-54,共4页Ship Electronic Engineering

摘　　要：通过分析IMU标度因数引起的INS/GNSS组合导航系统辅助跟踪环路误差的特点,采用基于惯性坐标系的旋转调制方法抵消INS器件的标度因数误差,从而抑制了辅助跟踪环路误差。为提升整个INS/GNSS组合导航系统的性能提供了一种解决方案。By analysting the tracking error of INS/GNSS integrated navigation loop caused IMU scale facor,rotating modula?tion cleared up IMU scale facor based on intertial coordinate system the tracking loop error has reduced.This provides provided the way to improve the function INS/GNSS integrated navigation system.

关 键 词：惯性坐标系 旋转调制 辅助跟踪环路误差 深组合 

分 类 号：TN967.2[电子电信—信号与信息处理]