·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了拍星的过程，讲解了选星原则及星体理论值计算；
The course of measuring star was introduced, and the criterion of selecting star and the arithmetic of computing star theory were explained.
通过所获得的卫星仿真数据，文中用最小二乘法与选星法对用户进行了定位验证比较，结果表明该卫星仿真器是可用的。
Using the method of Least Squares and the method of Selected Stars, the users Position and Velocity was got through the data acquiring from the simulator.
在工况条件相同时，选套筒为主动件时的空转角比选星轮为主动件时的空转角小；传递相同转矩时，尺寸大的离合器空转角小。
Under the same torque, the idle Angle is less when driving part is the race than the star wheel, and also the bigger the clutch size, the less the idle Angle.
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