1·The proportional navigation guidance(PNG) has several shortcomings.
传统的比例导引具有很多缺点。
2·Based on the principle on parabolic and proportional navigation guidance (PAPNG), the required pulse number for trajectory correction was analyzed in detail.
基于抛物线比例导引原理，详细分析了弹道修正所需求的脉冲数。
3·Neglecting the time canstants, axial accelerations and the control overflow, the optimal strategy is reduced to the conventional proportional navigation guidance law.
当不计飞行器的响应时间、纵向加速度和控制溢出时，蜕化为常规比例导引。
4·In order to realize large airspace transfer orbital trajectory of an anti-ship missile, a 3-dimensional virtual target's proportional navigation guidance (PNG) law is proposed.
为了实现反舰导弹的大空域变轨，提出了一种三维虚拟目标比例导引律。该导引律利用简单的控制指令就能控制导弹完成复杂的大空域变轨。
5·China recently published Navigation guidance 2015 for the Arctic Route (northwest passage), offering guidance for Chinese vessels that plan to navigate the northwest passage of the Arctic.
近日中国出版了《北极航行指南(西北航道)2015》，为计划航行北极西北航线的中国籍船舶提供指导。
6·This circuitry is also in use in high-performance gyroscopes in guidance control systems and navigation systems.
该电路也是在制导控制系统和导航系统的高性能陀螺仪的使用。
7·Walk - free pedestrian navigation with voice guidance and routing through dedicated pedestrian zones, shortcuts and pathways, available in over 70 countries.
步行导航——配有语音导航和路线的免费步行导航，利用专门的行人专用区，捷径和小路等，在超过70个国家提供。
8·Results: 3d spinal osteotomy under the guidance of a computer-assisted navigation system was performed successfully in 4 patients.
结果：对4例患者行计算机辅助导航系统制导下的3d脊柱截骨术均获得成功。
9·Some people put it as a navigation beacon of guidance.
有的人把它比作指引航行的灯塔。
10·Guidance is provided by an inertial package coupled with satellite navigation.
制导由配有卫星导航的惯性制导打包提供。