通信衛星 的英文怎麼說
中文拼音 [tōngxìnwèixīng]
通信衛星
英文
communiostion satellite-
China now has mature technologies to design and produce different types of orbital vehicles, such as scientific experimentation satellites, recoverable satellites, geostationary orbit communications satellites, and meteorological and earth resources satellites
中國現擁有研製科學實驗衛星、返回式衛星、地球靜止軌道通信衛星、氣象衛星、資源衛星等設計和製造的成熟技術。The first geostationary communications satellite, known as early bird, went into orbit in 1965.
人們所知道的第一個地球同步通信衛星「晨鳥」是1965年發射的。Protocol on intelsat privileges, exemptions and immunities, washington, 19. 5. 1978
1978年5月19日訂于華盛頓的《國際通信衛星組織特權、免除和豁免議定書》Binary linear ( vertical and horizontal ) polarization is used by all chinese communication satellites, and binary circular ( right - hand and left - hand ) polarization is often used by some intelsat and some russian satellites in c - band
中國通信衛星都採用由垂直極化和水平極化構成的雙線極化頻率復用方式，國際衛星組織和俄羅斯的一些c頻段衛星則採用由左旋極化和右旋極化構成的雙圓極化頻率復用方式。Transmission can be done by cable, radio frequency and satellite.
傳遞可通過海底電纜，無線電波和通信衛星來進行。A transmitting or receiving aerial shaped as a dish ; used to receive signals from a communications satellite
一種形似碟子的發射或接收天線，用於接收來自通信衛星的信號。For this reason, extreme radiation hardness and high power / weight ratio solar cells, which can work properly in van allen belts, must be developed
因此，為了能使通信衛星在vanallen輻射帶正常工作，必須要有一種強抗輻射並且具有較高重量比功率的太陽電池。The first commercial communication satellite of the world
世界上第一個商用通信衛星的名稱。Without any foreign assistance, china has independently developed intermediate and short - range missiles, long - range rockets, submarine - launched solid - propellant rockets, recoverable satellites, the technology to launch multiple satellites atop a single rocket, and geostationary communication satellites
中國的中近程導彈、遠程火箭、潛艇水下發射固體燃料火箭、返回式衛星、一箭多星、地球靜止軌道通信衛星都是在沒有任何外國幫助下獨自完成的。In order to cover the whole earth ’ s surface, telecommunication satellites are arranged in two ways : one is to put three geosynchronous satellites at the geosynchronous orbit ( about 35, 700km altitude ). another is to put several tens or several hundreds of satellites at low earth orbit ( about 700km altitude )
為了能夠覆蓋整個地球表面，通信衛星通常採用兩種方式布置:一種是用三顆地球同步軌道衛星（ 35 ， 700公里） ，另一種是需要幾十至幾百顆的低軌道（ 700公里）衛星。Ncaps is a novel satellite navigation system presented by scientists of cas recently, which is based on the prin ciple that the land control station transmits the navigation signals via communication satellites, other than special navigation satellites, to the ncaps receivers, in which the received signals are processed to obtain its detailed positioning information
空基導航系統代表有美國的gps和俄國的glonass衛星導航系統。 ncaps系統是我國科學家最近提出的一種新的衛星導航系統。其主要原理是：地面控制站利用通信衛星（而不是專用的導航衛星）轉發導航電文給接收機，接收機利用導航電文解算出本地位置。Mr. hao has published articles on telecom networking, network planning, comprehensive analysis, satellite communication, data communication etc., both in domestic and overseas academic publications
任現職前為原郵電部電信總局副總局長兼總工程師，中國東方通信衛星有限責任公司副董事長，總經理。International business agent of china sat
中國廣播通信衛星公司國際業務代理Csar communication satellite advanced research
通信衛星高級研究China launches new communication satellite
中國發射新通信衛星There communication was piggyback though series telcom satellites
他們的通信通過一系列通信衛星傳遞Capacity analysis of leo satellite system based on mf - cdma connection
的低軌道通信衛星系統容量分析Methods of in - orbit testing for communication satellite payload performances
通信衛星有效載荷性能的在軌測試方法The orbital gap between two geo communication satellites is normally 2 to 2. 5 degrees
靜止通信衛星的軌位間距通常在2度到2 . 5度之間。They have been widely used in optical - fiber communication, satellite communication, super high speed computer, high speed measurement instrument, mobile communication, etc. since gaas is compound semiconductor, it is difficult to achieve high quality gaas crystal
Gaas器件與電路具有速度高、功耗低、噪聲小、耐高溫、抗輻射等優點，在光纖通信、衛星、超高速計算機、高速測試儀器、移動通信和航空航天等領域中有著重要的應用。分享友人