1) Celestial Navigation System
双星定位导航系统
2) "Beidou" Double-Satellite Positioning Navigation System
“北斗一号”双星定位导航系统
1.
Instead of sending signal of positioning quest, instrument errors of SINS can be identified and corrected via the range and range rate between the carrier and satellites of "Beidou" Double-Satellite Positioning Navigation System in order to improve the navigation accuracy.
SINS／双星组合导航方法克服了“北斗一号”双星定位导航系统需要用户发射定位申请信号的有源定位模式，直接测量载体至双星导航系统两颗卫星的距离和距离变化率信息，然后在此基础上实时辨识并修正SINS工具误差，从而获得更高的导航精度。
3) Double-Star
双星
1.
A Review on Augmentation Schemes of Double-Star Navigation System;
双星定位系统增强方案分析
2.
Vessel Attitude Determination Using Double-Star System;
利用双星系统进行船体姿态测量
3.
The filtering performance is unsatisfactory while INS/DS (Double-star) integrated navigation system is implemented using Kalman filtering technology, because the model error of double-star system is unknown and the stability is n o t good, either.
由于双星系统的误差模型未知 ,且稳定性较差 ,采用Kalman滤波实现惯导 (INS) 双星组合导航时 ,其滤波特性较差 ;而此时最小二乘法是实际工程应用中常用的方法 ,但易产生参数爆发现象 。
4) Binaries
双星
1.
The determination of the orbital parameters of binaries is an important constituent of fundamental astronomy.
双星轨道拟合是天文学的一项基础性研究工作。
5) binary
双星
1.
Tne binary interactions plny an important role in the formation and shaping ofplanetary nebulae(PNe).
在行星状星云形成过程中双星起着非常重要的作用。
2.
1μm) was carried out for the chromospherically active binary system HR 1099.
本文发表了强活动色球双星ＨＲ１０９９（＝Ｖ７１１Ｔａｕ）在１９８９年１２月特大能量白光耀发前后的近红外分光光度观测结果，给出该星从２。
6) binary stars
双星
1.
Gravitational waves of the binary stars and the quadrupole oscillator;
双星和四极振子的引力波
2.
Then by using the qualitative analysis theory of nonlinear equation,a nonlinear dynamical mechanism of formation of binary stars is obtained.
应用非线性方程的定性分析理论 ,获得双星演化的非线性动力学机制 。
参考词条
补充资料：奥米加导航系统(见飞机双曲线导航系统)
奥米加导航系统(见飞机双曲线导航系统)
Omega navigation system
Aomiiia daohang Xitong奥米加导航系统(omeg。。avigationsystem)见飞机双曲线导航系统。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。