通过数字计算，得到飞船的最优滚转程序、升阻比、再入角和再入终端时间。

Using numerical calculation, optimal roll program, the ratio of lift and drag, reentry Angle and reentry time of spacecraft are gotten.

youdao

研究了实现卫星定位接收机终端时间与卫星系统时间保持实时同步的一种异步数据融合方法。

A data fusion method of realizing receiver and sender of satellite location system to keep the synchronization time are presented.

youdao

由凸集分离定理及终端时间阈值函数方程，我们获得了最大值原理及最优控制时间的确定方法。

Using separation theorem of convex set and the time terminal value function equation, we obtain the determining method of optimal terminal time as well as the Maximum principle.

youdao