针对测量船惯导系统水平及航向精度检测需求，提出了采用卡尔曼滤波技术解算惯导水平偏差的新方法。
In order to satisfy the need of testing the attitude and course of INS of measurement ship, the paper proposes a new method of using the Kalmen Filter to work out the attitude and course error.
介绍了磁航向测量系统的设计，分析了影响磁航向精度的误差来源及目前磁航向误差补偿算法存在的问题。
The design of a magnetic heading measurement system is introduced. The error sources which affect heading accuracy and the problems of current compensation algorithm are discussed.
战车用惯性定位定向系统由于采用双轴陀螺平台结构，不可避免地存在着支架误差，从而影响系统航向精度。
The inertial system of fighting vehicle existed bracket error due to its two-axis gyro platform structure, and this could influence the heading precision.
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