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1·Connection apparatus for a helicopter rotor blade, comprising.

连接装置的直升机转子叶片，其中包括。

2·The flow field of the helicopter rotor is characterized by unsteady phenomena.

旋翼的流场呈现很强的非定常现象。

3·The helicopter rotor blade deicing technique is greatly important to ensure the flight safe - ty.

直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的。

4·This paper presents a simulation method of the defective lag damper fault on a helicopter rotor test rig.

提出了一种在模型直升机旋翼故障试验台上模拟减摆器失效故障方法。

5·The adaptive optimal decoupling control method of helicopter rotor concordant loading system was discussed.

研究了直升机旋翼协调加载系统的自适应最优解耦控制问题。

6·A refined aeroelastic model of a helicopter rotor blade with swept tips is established based on model matching.

以动力学模型和气动模型相匹配为原则，建立了后掠桨尖旋翼的细致气弹模型。

7·The design and the construction of a data acquisition and preprocessing system for a helicopter rotor test rig are described.

介绍了某直升机旋翼试验台的振动数据采集和预处理系统的设计和组成。

8·A series of tests to do that were conducted on a UH-60A Blackhawk helicopter rotor in a NASA wind tunnel from January to May 2010.

而一系列试验将于2010年1月至3月NASA的风洞中、在一个UH - 60 A黑鹰直升机的转子上进行。

9·This paper mainly introduces the function, the hardware and software of the monitoring system of the helicopter rotor testing device.

本文详细介绍直升机旋翼实验台实时监视报警系统的功能，硬件配置以及软件设计方法。

10·While similar to a helicopter rotor in appearance, the autogyro's rotor must have air flowing up and through the rotor disk in order to generate rotation.

虽然与直升机外观相似，但自转旋翼机必须依靠向上流过桨叶地气流维持旋翼地旋转，产生将飞行器维持在空中地升力以及向前飞行地推力。