helicopter deck是什么意思

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Study on equivalent damping calculation for hydraulic damper of helicopter rotor;

直升机桨叶液压减摆器等效阻尼计算研究

The manufacture of a new type of underwater exit light of helicopter;

新型直升机水下逃生照明指示灯的研制

Navigation systems of modern helicopters;

现代直升机导航系统及其仿真

Study on Simulation and Evaluation of Helicopters' Flying Performance and Reliability;

直升机飞行性能和可靠性的仿真与评估研究

Anumerical method usingthe three-dimensional Euler equations is presented to predict the rotor in-ducedvelocity flowfield of a real helicopter and to provide a calculated method on the downwash flowfield forrocket or missile emission on helicopters.

建立了三维欧拉方程数值模拟旋翼流场的方法和模型,以用于实际直升机旋翼诱导速度场计算,为火箭导弹发射提供一个旋翼下洗流场计算方法。

When ship-borne anti-sub helicopters carry out anti-sub search missions,because of need to fly at very low altitude,their mobility is affected,so they are prone to various weapons,especial- ly missiles.

舰载反潜直升机在海上执行反潜搜索任务时,由于需要超低空飞行,飞行高度较低,机动能力受到一定的影响,容易遭受各种武器的攻击,尤以导弹威胁最大。

The particularity and practicality of harmony operations of close-coupling multiple helicopters indicate that the researches on it are urgent and necessary.

针对紧耦合多直升机协调操作的特殊性和实用性,分析了多直升机协调操作研究的必要性。

Helicopter is a complex system and the harmony operations of close-coupling multiple helicopters have their particularities.

针对直升机的复杂性和紧耦合多直升机协调操作的特殊性,分析了多直升机协调操作的必要性,建立多直升机间的协调力学模型,并采用牛顿迭代法进行了配平计算,所得姿态量和控制输入量为多直升机协调操纵的飞行控制系统提供了参考输入量,为进一步分析多直升机的动力学建模及稳定性打下了基础。

A new control method of a 3-DOF-helicopter device based on digital control;

3自由度直升飞机控制系统设计

Review on using infrared thermal imaging technique on helicopters to inspect equipments of HV transmission lines;

在直升飞机上应用红外热像技术巡视检测高压输电线路设备的回顾

Aiming for the high and new investigating technology methods about helicopter surveying super voltage transmission lines,this article analyses the benefits and methods of helicopter surveying and finds some relative equipment defects by airborne surveying.

针对直升飞机巡检输电线路作业的高新检测技术手段,分析了其优点、巡检方法及通过航测能发现的设备缺陷,并对在国内的开展情况进行了介绍。

The paper briefly introduces the structure and principle of the vehicular hydraulic vertical elevator; studies the problem in the design of vehicular hydraulic vertical elevator thoroughly by analysising of each mechanism s stress.

简要介绍了随车垂直升降液压装卸机构的结构原理。

In this paper the principle of RAH-66 helicopter infrared suppressor is presented.

本文介绍了RAH-66直升机红外抑制器的原理和特点,计算分析了旋翼下洗气流的速度、冷却空气进气口位置及面积大小对该红外抑制器性能的影响情况,并给出了计算分析结果。