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- proportion navigation guidance law 比例导引律
- Proportional navigation(PN)is used as the guidance law for the guided projectile on which SINS/GPS and terminal homing system are adopted. 针对采用SINS/GPS和末端寻的复合制导的制导炮弹,采用比例导引作为中制导和末制导的导引规律。
- The proportional navigation (PN) guidance error caused by angular noise (thermal noise) arid glint effect in radar seeker receiver is studied. 摘要研究了雷达导引头接收机中的角噪声（热噪声）以及目标闪烁对比例导引制导精度的影响。
- 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。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- Based on the differential equation derived from classical mechanics, an extended proportional navigation with no restrictions on the velocities of missile and target is presented in this paper. 在传统的动力学微分方程的基础上提出了一种扩展的比例导引法,并给出了该导引规律下的相对弹道方程。
- A large proportion of my time is spent in studying. 我的大部分时间花在学习上。
- A small proportion of the streets were sewered. 一小部分街道铺有下水道。
- The compass is an instrument of navigation. 罗盘是航行仪器。
- Imports will be allowed in proportion to exports. 容许的进口量将按照出口的多少而定。
- The room is wide in proportion to its height. 这房间就其高度的比例而言是很宽的。
- A large proportion of the best citizen hate his despotism. 一大部分最好的公民都痛恨他的专制君主统治。
- Try to draw the figures in the foreground in proportion. 要把前景中的人物画得合比例。
- The theory and practice of aircraft navigation. 航空学飞机航行的理论与实践
- The figures of the horses in the foreground are out of proportion. 前景中的马画得不成比例。
- Out of proportion, as in size, shape, or amount. 不成比例的，不相称的，如在尺寸、形状或数量上
- Augmented Proportional Navigation 扩大比例导航
- A large proportion of the families round here own bicycles. 这一带相当大一部分家庭都有自行车。
- Navigation is difficult on this river because of the hide rock. 因为有暗礁，在这条河上航行很困难。
- One of the quantities in a mathematical proportion. 比例项在数学上成比例的数或项之一
