| 1. | The alignment of laser beam to fiber end face and degradation of beam quality can increase the coupling losses . this paper analyzes their effects to the coupling efficiency
激光与光纤的机械对准误差和光束质量下降导致了耦合损失，本文分析了它们对耦合效率的影响。 |
| 2. | Adopt project practical quaternion algorithm of strapdown navigation system , analyze systematic error source , emulation prove the output change of sins in there is device error of inertia and the initial condition of collimation error
采用了工程上实用的四元数捷联导航系统的算法，分析了系统误差源，仿真验证了捷联惯导系统在有惯性器件误差及初始对准误差情况下的输出变化。 |
| 3. | This paper discussed effects of ship swaying motion in waves on ship - based cannon firing in terms of ship motion equation and theory of artillery shoot , including influence on shoot distance and direction
摘要从船舶在海浪中运动模型出发，结合炮兵射击学原理，研究船舶摇摆导致火炮基座运动以及杆臂效应导致子惯导初始对准误差等因素对火炮射击的影响，主要针对船载炮射击在距离与方向的影响进行分析。 |
| 4. | In order to start ins calculate in the navigation mode the initial parameters of the transformation matrix c _ ( b ) ~ ( n ) are needed . the determination of above parameters is called as an ins alignment . the alignment of strapdown system is similar to the local - level platform system
初始对准在捷联惯导系统的研制与应用中是一个关键的问题，因为对于一个纯惯性系统来讲，其导航精度不可能优于对准误差所限定的精度。 |
| 5. | Abstract : sins initial alignment error is one of the important error sources for tactical surface to air missile precision allocation . it is necessary and advantageous to research quickly separate technique of sins initial alignment error in outfield for improving missile guidance precision
文摘:捷联惯性导航系统的初始对准误差是战术地空导弹精度分配中的主要误差源之一，研究在外场条件下初始对准误差的快速分离方法对于提高导弹制导精度具有积极意义。 |
| 6. | We have known from the analysis of error equations of sins that the errors produced by the initial alignment will propagate with time , the precision of initial alignment will affect the precision of the whole system , and so it is very important to improve the precision of initial alignment
从捷联惯性系统误差方程的分析可知，初始对准误差会随时间而传播，初始对准的精度直接影响整个捷联系统的系统精度，因此提高初始对准的精度对改善捷联系统精度是至关重要的。 |
| 7. | The system error is mainly determined by sensor error and initial alignment error by analyzing the error transfer characteristic of the sins system . after compensating the sensor error , the precision of the whole system almost remains the initial alignment process . it should include of gyroscope and speedmeter to compensate the error
通过对sins系统的误差传播特性分析可以发现，系统的误差主要由传感器误差和初始对准误差决定，在对传感器误差进行补偿之后，整个系统的精度几乎就保持在初始对准的精度上；另外，在初始对准过程中还包含陀螺和加速度计的测漂和定标工作，以便进行误差补偿。 |
