有源通信衛星 的英文怎麼說

中文拼音 [yǒuyuántōngxìnwèixīng]
有源通信衛星 英文
active communication satellite
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 通 : 通量詞（用於動作）
  • 衛 : Ⅰ動詞（保衛） defend; guard; protect Ⅱ名詞1 （周朝國名） wei a state in the zhou dynasty2 （姓氏...
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  • 有源 : [電學] active有源電路 active circuit; 有源器件 active device; 有源天線 active antenna; 有源衛星 active satellite
  • 通信 : communication; communicate by letter; correspond
  1. 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。
  2. There are hundreds of definitions of what makes up a purchase order, but is there enough will to match up one purchase order format with another using the tools that xml - related technologies offer ? in the rest of this column, i ll make my usual survey of recent developments in semantic transparency

    這就象對于那些缺乏資源建設技術基礎設施（在西方已經建立起來了）的發展中國家從蜂窩和衛星通訊中受益匪淺一樣，基於xml的貿易和商業過程的簡化在提高生產力方面有很大潛力，這些是在長時間的信息技術革命后出現的。
  3. Wire antennas are still very popular on vehicles, ships and aircrafts. they are easily to be interference sources and sensitive bodies. in our calculation we must take account of the mutual coupling between wire antennas when they are very close

    線天線在移動通信系統中被廣泛地應用，它作為許多機載、艦載、衛星、通信電子設備中電磁能量的發射和接收埠，最有可能成為輻射干擾的干擾源和敏感體，特別是當天線靠得很近的時候，必須考慮相互之間的互耦。
  4. Standards of digital tv broadcast has specified transmitting systems which are based on various medium such as satellite - oriented transmitting system ( dvb - s ), cable - oriented transmitting system ( dvb - c ), terrestrial - oriented transmitting system ( dvb - t ). different system adopts different methods of channel codec, modulation and demodulation, but for signal source block codec, only mpeg - 2 standard has been applied for all the systems. as a compression standard being specified in digital tv broadcast transmission, mpeg - 2 has been widely involved on compression occasion

    對于數字電視信號的傳輸，數字電視廣播標準制定出基於多種媒質傳輸的傳輸系統，如衛星傳輸系統（ dvb - s ） ，電纜電視傳輸系統（ dvb - c ） ，地面廣播（ dvb - t ） ，不同的傳輸系統制定不同的通道編碼和調制解調的方法，但是對于所有傳輸系統的信源編碼則一律採用mpeg - 2這一標準。
  5. In order to increase the efficiency on using limited frequency resource, orthogonal polarization is normally adopted for frequency reuse, thus offering double bandwidth at the certain working band

    為了充分利用有限的頻譜資源，衛星通信採用正交極化頻率復用方式，在給定的工作頻段上提供雙倍的使用帶寬。
  6. A monolithic microwave integrated circuit ( mmic ) is a microwave circuit in which the active and passive components are fabricated on the same semiconductor substrate. mmic, having advantages of small size, light mass, high reliability and excellent reproducibility, finds use in a variety of microwave system, especially in airborne radar and space applications

    單片微波集成電路（ mmic ）是將有源元件和無源元件都集成在同一個半導體襯底上的微波電路；具有尺寸小、重量輕、可靠性高、生產重復性好等優點，廣泛應用於各種微波系統，特別是機載雷達和衛星通信等方面。
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