relay n. 1.接替的马;驿马;接替的狗;(备有接替马匹的)旅馆。 2.接替;接替人员;补给供应。 3.分程递送;传达;转运;【军事】递骑;【体育】接力赛跑。 4.【电学】替续器;【机械工程】继动器;【无线电】转播的无线电节目。 work in [by] relays 轮班工作。 a fresh relay of workers 刚接班的一批工人。 a key relay 键控继电器。 a radar relay 雷达中继站。 vt. 1.用驿马递送;分程递送;使接替。 2.供给接替马匹;供给新材料。 3.传达;【无线电】转播。 vi. 1.得到接替[补充]。 2.传达;转播。 a relaying station 【无线电】转播电台。
High speed data transmission technology is one of the key technologies applied in the second generation of data relaying satellite system and other military communication systems 高速数据传输技术是应用于第二代数据中继卫星系统和其它军事卫星通信系统的关键技术之一。
Drss ( data relay satellite system ) is one of the main projects of our country in recent years , among which the high - speed data communication technology is one of the key points 数字中继卫星( drss )是我国近年来发展的重点项目之一,而高速数据传输技术又是其中的关键技术。
Tracking and data relay satellite ( tdrs ) system is a communication system providing continous and real - time services such as tracking , telemetry , command and data relay for low - earth - orbit spacecraft 中继卫星系统是一个为低轨航天器提供连续、实时的跟踪、测控与数据中继服务的卫星通信系统。
As a novel space - based tracking , telemetering and command system , the tracking and data relay satellite system ( tdrss ) represents a new direction in the international tracking telemetering and command field 作为一种新型的天基测控系统,跟踪与数据中继卫星系统( tdrss )代表了国际上测控领域的新的发展方向。
This paper mainly designs the proximity link system . the system is used in data relaying in the space exploring . it can be used in many space tasks , such as our country ’ s exploring moon and exploring mars in the future 本文所设计的邻近链路系统主要应用于太空探测中的数据中继,它既可应用于我国近年来发展的探测月球任务,也可应用于我国未来实施的探测火星等太空探测任务中,具有广泛的适用性。
This paper concludes the result of computer simulation of data relay satellite optical communication channel , playing a part of the system research of data relay satellite optical communication , and completed the theoretic analysis , modeling and simulation 本文给出数据中继卫星光通信链路计算机仿真研究结果,作为数据中继卫星光通信系统研究的一部分。论文完成了对数据中继卫星光通信链路的理论分析、建模和仿真工作。
The tdrss ( tracking and data relay satellite system ) is a system which can supply the data relay and tt & c ( telemetry tracking and command ) service for the aircraft which are low and middle earth orbit and other aircrafts , aircraft and earth station 跟踪与数据中继卫星系统tdrss ( trackinganddatarelaysatellitesystem )是为中、低轨道的航天器与航天器之间、航天器与地面站之间提供数据中继、连续跟踪与轨道测控服务的系统。
Based on chinese tracking and data relay satellite ( ctdrs ) in the future , the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation , which is funded by the improve item of dept . of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ” . the main contents of this dissertation are consisted of the following parts : firstly , dynamics equation is derived using lagrange equation for user satellite , so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis 本学位论文结合航空宇航科学与技术学科研究生教学基地实验室建设项目“中继系统星间链路天线指向控制系统教学与演示实验” ,以我国跟踪与数据中继卫星系统为背景,对某型号用户星星间链路天线指向跟踪控制和复合控制理论进行深入的研究,研究内容主要包括以下几个方面: 1 .利用lagrange方程建立了用户星的动力学方程,同时推导了运动学方程,并将这组动力学方程以矩阵微分方程形式表示,使之适用于姿态控制系统的设计和分析。
This paper presents the results of studies on collectivity scheme and some key technologies about the network - based navigation system which is composed by existing stations ( e . g . radio beacon ) , unmanned air vehicles ( e . g . relay uav ) , other air - tactical serving vehicles and data relay satellites 本文研究了利用地面现有台站(如无线电信标台)和移动站(如移动指挥车辆) 、空中无人机平台(如中继无人机)和其他空中战术服务平台、以及数据中继卫星等构成的网络化导航系统的总体方案和相关技术。
We place a number of data relaying stations ( drss ) at strategic locations , which can be used to relay data packets between mhs and btss . by using multi - hop , some of the traffic can be diverted away from the hot cell , and to its neighboring cold cells , if one or more such cold neighbors exists , thereby achieving load balancing among the cells and increasing the cell capacity and system capacity 在本论文中,我们将adhoc网络运用于蜂窝网,通过基于延时估计的adhoc的多跳转发机制,将业务量繁忙的小区(热区)的业务部分的分流到邻近相对空闲的小区(冷区) ,来提高小区的容量,达到信道的动态分配。