1) low level sea-skimming
超低空掠海
1.
In the design of flight control system of the low level sea-skimming small scale unmanned drone,based upon the principle of combined control of radar altimeter and accelerometer,the outer height control loop is achieved with the inner attitude control loop.
针对小型超低空掠海无人靶机飞控系统的研制,基于无线电高度表/加速度计组合控制的基本原理,在纵向姿态控制内回路的基础上设计了高度控制外回路,采用了一种Kalman互补滤波算法滤除高度信号噪声,并获得高质量的垂向速度信号。
2) low level sea-skimming
低空掠海
1.
Design and simulation of sea wave filter of low level sea-skimming tow target
低空掠海拖靶海浪滤波器的设计与仿真
3) super-low-altitude
超低空
1.
Theoretic Analysis and Outdoor Test of Super-Low-Altitude Target-detection Using HPM-UWB Impulse;
超宽带脉冲对超低空目标的探测特性及其外场试验
2.
By analyzing the intercepting ability of the missile for different flight distanee and altitude targets,the he results demonstrate that the missile doesn t have ideal intercep- ting ability for super-low-altitude and upper-a.
最后对导弹对不同飞行距离和高度的目标拦截能力进行了分析,分析结果表明,该型导弹对超低空和临空目标的拦截能力并不理想,应适当改进导弹气动布局,增加可用过载,提高导弹对超低空和临空目标的拦截能力。
4) super low altitude airdrop
超低空空投
1.
It provided theoretic basis for the design of the super low altitude airdrop, and a new validatin.
运用动态有限元方法 ,对救灾物资的超低空空投过程进行了数值仿真 。
5) low grazing incident
低掠入射
6) low-grazing
低掠角
1.
The Monte Carlo method is applied to study the vegetation scattering and its low-grazing characteristic.
本文提出利用蒙特卡罗算法研究植被散射及其低掠角散射特性 。
补充资料：低空
1.靠近地面处的天空。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条