1) A helicopter in hover.
盘旋着的直升机
2) Helicopter landing
直升机着降
3) helicopter landing
直升机着陆
4) helicopter blade
直升机旋翼
1.
The SNR of the helicopter blade echoes is small when the MMW radar has low pulse repetition frequency.
针对低重频毫米波雷达直升机旋翼回波信号检测中旋翼回波信噪比低的问题,本文采用发射大时宽带宽的线性调频信号,接收匹配滤波处理以增加旋翼回波信号的信噪比,并推导了线性调频旋翼回波模型。
2.
The main research object in this dissertation is helicopter blade dynamic balance experimental platform system.
本论文所属课题是直升机旋翼动平衡实验台系统设计，在本论文中主要对论文课题的背景和意义、共锥度测量系统的设计与实现以及控制系统和系统软件及数据处理等方面进行了介绍。
5) helicopter rotor
直升机旋翼
1.
Research on protected range of the anti-icing/deicing system for helicopter rotor;
直升机旋翼桨叶防/除冰系统防护范围研究
2.
The frequency variation speed regulation system based on the medium voltage converter is an ideal scheme for the power drive system of the helicopter rotor test bed with high power stage and special load.
直升机旋翼试验塔主拖动系统功率大、负载特性特殊,选择以中压变频交流调速系统作为主拖动是一种较为理想的方案。
3.
For modern helicopter rotor design, low noise radiation has been taken as one of the most important design targets.
将CFD(计算流体力学)技术与噪声预测的Kirchhoff方法相结合,发展了前飞状态下直升机旋翼远场气动噪声的定量预测方法,得到了旋翼噪声的时域解。
6) rotary-wing UAV
旋翼直升机
1.
From the viewpoint of the fast development of communication lines and electric power lines, the idea of using the rotary-wing UAV as the flying live-line inspection robot was presented.
针对通讯线路和电力传输线快速发展的趋势,提出使用旋翼直升机作为飞行式巡线机器人的设想。
补充资料：盘旋
1.旋转。 2.来回往复。
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