| 1. | The balance change under the influence of gravity might cause a spurious torque resulting in drift of the gyro attitude reference .
在重力的影响下平衡的改变会形成不必要力矩，结果使陀螺姿态基准产生漂移。 |
| 2. | 2 ) the laser gyro attitude reference system of a fire control system
2 )某火控系统的激光陀螺姿态参考系统。 |
| 3. | 3 ) theoretic and experiment study of a shipboard attitude reference system using laser gyros
3 )某船载激光陀螺姿态参考系统的理论分析与实验研究。 |
| 4. | 2 ) the identification of the undetermined parameter in the inertial surveying and attitude reference system
2 )惯性测量与姿态参考系统中未知参数辨识。 |
| 5. | Many references show that the theoretic and practical researches on inertial surveying and attitude reference systems are predominantly in the field of sensor data integration
文献分析表明，惯性测量与姿态参考系统的理论及应用研究主要集中在传感器信息综合方面。 |
| 6. | Two aspects of applications of the body dynamic constraint are analyzed as follows : 1 ) the inertial surveying and attitude reference system with incomplete inertial sensors
作为新的信息源，论文分析了载体动态约束的两方面应用： 1 )非完整惯性传感器惯性测量与姿态参考系统。 |
| 7. | Common theoretic problems in a variety of engineering applications are analyzed as follows : 1 . the laser gyro inertial surveying and attitude reference system model with incomplete inertial sensors are first derived under the body dynamic constraint
论文分析了各种具体工程应用中具有共性的理论问题： 1 、首次推导了非完整惯性传感器配置条件下，基于载体动态约束的激光陀螺惯性测量与姿态参考模型。 |
| 8. | The theoretic analysis based on body dynamic constraint lays a foundation for further engineering researches which are shown as follows : 1 . different characteristics of the railway track surveying system and the attitude reference system for fire control are analyzed . the body dynamic constraint conditions in frequency domain are derived for these two applications
基于载体动态约束信息的理论分析为以下工程问题的进一步研究奠定了基础： 1 、论文分析了列车轨道测量以及某火控系统姿态参考问题的不同特点，分别推导了相应的载体运动频域约束条件。 |
| 9. | 2 . the time variant nonlinear model of the laser gyro inertial surveying and attitude reference system is changed and simplified to time invariant linear model of the error states using robust analysis method . these results make frequency analysis based on transfer function become possible which is important for dynamic system analysis
2 、采用鲁棒分析方法，将激光陀螺惯性测量与姿态参考系统的时变非线性模型转化为误差状态的近似线性定常模型，从而使基于传递函数的频域分析成为可能，这对动态系统分析是至关重要的。 |
