astronavigation

Finite Element Analysis for Shell of Electron Equipment of Astronavigation

宇航电子设备中壳体的有限元分析

I know . I 've taken the astronavigation exam nine times .

我知道是真的，宇航测验我考了9次。

Atmospheric Pressure Adaptive Control of Large-Scale Astronavigation Environmental Simulators

大型宇航环境仿真器中的气压自适应控制

Aerospace , Astronavigation and Light Barrier Briefly Review of Spacecraft Lubricants

航天、宇航和光障宇航飞行器润滑剂概述

In home electrical appliance , car and astronavigation , it has been used broadly .

目前，已经在家电、汽车、航天等领域有了广泛应用。

Since 70 's of 20th century , our country 's astronavigation cause has realized the historical leap .

20世纪70年代以来，我国航天事业实现了历史性跨越。

With the development of science-technology and the progress of aviation and astronavigation , we need neotype structural material with quality comprehensive performance index .

随着科技的发展以及航空、航天技术的进步，需要综合性能指标优良的新型结构材料。

The product has been approved and designated as advance one in our country by Massage Ministry of Industry in 2003 , and used in military engineering and astronavigation .

该产品已于2003年被信息产业部认定具有国内先进水平，并应用于航天航空系统。

With good mechanical properties , together with high strength-to-weight ratio and high temperature creep resistance , titanium alloys become more and more popular in the astronavigation and navigation now .

钛合金以其优良的高比强度和抗高温蠕变性能在航空航天领域得到了广泛的应用。

Polysiloxanes modified with fluoroalkyl were widely used in vehicle , rubber , astronavigation , petrochemical processing , ink , coating , and so on .

氟烷基改性聚硅氧烷广泛应用于汽车、橡胶、宇航、石油化工、油墨、涂料等领域中。

Non-circular section part is wide used in aviation 、 astronavigation 、 auto and watercraft , the economical and high efficient machining method to those parts is NC machining .

非圆截面零件在航空、航天、汽车、船舶等领域有着广泛的应用，对这类零件较经济高效的加工方法是数控加工。

The paper introduces the new air automation system of the optical institute of the astronavigation science and technology committee , and achieves temperature and humidity control and supervision software of the new air system .

本文介绍了航天科工集团某研究所光学加工楼新风自动控制系统，按照客户要求实现了空调房间的温度、湿度控制以及新风系统监控软件。

Titanium and Titanium Alloys have excellent specific strength and corrosion resisting property , and have important role in application in astronavigation facility , navigation facility , chemical industry and oil industry .

钛及钛合金具有优良的比强度和耐蚀性，在航天航空及石油化工行业中起著重要作用。

At the same time as the market demand of the micro-WEDM increases rapidly as the increase of the high precise product in the Die Mould industry and manufacturing of aviation astronavigation .

而今，随着模具工业和航空航天制造业对高精度加工的需求的增加，市场上对微细电火花线切割机床的需求也有了很大的提高。

At present , braided composites has been used in several high technologies , including national defense , astronavigation & aviation , industrial unit , medical instruments , automobile components , sport instruments .

目前编织结构复合材料已广泛应用于许多高科技领域，例如体育用品、工业设备、医疗器械、汽车结构以及国防和航空航天等。

Heat exchanger was widely used in regions such as metallurgy , motion , nuclear energy , refrigeration , chemical engineering , petroleum , aviation , rocket , and astronavigation and so on .

换热器作为换热的重要设备，广泛应用于冶金、动力、核能、制冷、石油化工、航空航天等各个工业领域中。

The navigation and position technology based on Global Navigation Satellite System ( GNSS ) are widely used in mapping , telecommunication , military products , astronavigation , electric power , remote sensing and so on .

GNSS卫星导航定位技术在测绘、通信、军事、航天、电力、遥感等领域得到了广泛的应用。

Electro-hydraulic servo valve is the core component of hydraulic servo system and the twin flapper-nozzle electro-hydraulic servo valve is widely applied in the navigating control field for astronavigation , navigation and aviation .

电液伺服阀是液压伺服系统的核心部件，其中双喷嘴挡板电液伺服阀在航天、航空、航海等领域应用最为广泛。

In the first part of the paper , the research of the dynamic response and damage of shell structures is made . This work has an important and direct application foreground in the field of military effect , aviation and astronavigation .

论文的第一部分开展了球形和柱形壳体结构在内聚爆炸载荷下的动态响应和破坏规律研究工作，这一工作在武器效应、航空航天领域具有重要和直接的应用前景。

Taking atmospheric pressure control of large scale astronavigation environmental simulators for example , the main purpose of this paper is to discuss the application of parameter adaptive control and the design schemes as well as procedures of PID adaptive control systems .

本文以大型宇航环境仿真器中的气压控制为例，主要讨论了参数自适应控制的应用及PID自适应控制系统的设计方案及过程。

Firstly , the principle , components and control of variable thrust rocket engine are discussed . Then , the regulating ways and the adoptable technologies of thrust are studied , and the applications in astronavigation are analyzed .

论文首先阐述了变推力火箭发动机的工作原理、组成与控制，研究了推力调节途径和可采用的技术手段，并对它在航天领域的应用进行了分析。

As the key structural material of spacecraft and aerial craft , high-temperature alloy has been applied to aviation and astronavigation industry , specially to the body of airplane and the engine which demanded high strength and heat resistance .

高温合金作为航空、航天器的关键结构材料得以广泛应用，特别是用于发动机中要求强度高及热强性好的部位。

With the development of electronics , astronavigation , aviation , astronomy , laser nuclear fusion , optical communications , military and so on , the aspheric optical components were applied in many optical instruments especially in the space optics .

随着电子、航天、航空、天文、激光核聚变、光通信、军事等技术的发展，在很多光学仪器上采用了非球面光学零件。尤其是在空间光学方面，非球面光学零件被广泛的应用。

Continuous fibers reinforced silicon carbide matrix ceramic composites have been extensively ap - plied to the field of astronavigation due to their excellent properties such as low density , high strength and toughness , high temperature and oxidation resistances .

连续纤维补强增韧碳化硅基陶瓷复合材料具有密度低、强度和韧性高、抗氧化、耐高温等综合性能，已在国外宇航领域得到了广泛的应用。

After the half a century of development , EDM has already become one of necessary parts in modern manufacturing technology field . And it is widely applied in the fields of microelectronics industry , aviation and astronavigation , medical equipment and die manufacturing .

经过半个多世纪的发展，电火花加工技术已经成为现代制造技术领域中不可或缺的重要组成部分，在微电子工业、航空航天、医疗器械以及模具制造等许多领域内取得广泛的应用。

Precise elastic parts are widely used as sensitive parts to gain feedback signals in the controlling instrument such as electro-hydraulic servo valve or the navigation system such as flexibleness gyro in the field of astronavigation , navigation and aviation .

在航天、航海、航空领域常用的控制器件电液伺服阀和导向器件挠性陀螺中广泛地使用精密弹性元件作为力敏单元获得反馈信号。

As the software has been widely applied in safety-critical area , such as aviation and astronavigation , traffics and transports , nuclear power plants and medicine devices , how to enhance software dependability must be considered in the software development process .

随着软件日益广泛地被应用到航空航天、交通运输、核电能源和医疗卫生等安全关键领域，如何提高软件的可信性已成为软件开发时必须考虑和解决的问题。

Electro-hydraulic servo control system is widely applied in the navigating control field for astronavigation , navigation and aviation , and as the key part of electro-hydraulic servo control system , the performance of electro-hydraulic servovalve takes an important role on the servo control system .

电液伺服控制系统广泛应用在航天、航空和航海等航行器的航行控制领域中，电液伺服阀作为电液伺服控制系统的核心元件，其性能直接影响整个伺服控制系统的品质。

Titanium alloy , as the materials difficult to deformation of aviation and astronavigation , has some characters hard to deformation , such as giant resistance of deformation , small processing parameter allowance and quality of formed parts sensitive to processing parameter and hard to control .

作为航空、航天难变形材料，钛合金以其变形抗力大、工艺参数容差小、成形件质量对工艺参数敏感且难以控制等特点而成形困难。

The subject of entry chiefly studies the temperature and humidity control of air-conditioning system based on the new air automation system of the optical institute of the astronavigation science and technology committee , and it also designs the computer supervision system on the base of RS-485 bus platform .

本项目是在航天科工集团某研究所光学加工楼新风自动控制系统的基础上，研究中央空调系统的温湿度控制，并设计出了以RS-485通讯总线为平台，基于PC机的计算机监控系统。