無源放大系統 的英文怎麼說

中文拼音 [wúyuánfàngdàxìtǒng]
無源放大系統 英文
passive augmentation system
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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
  • 放 : releaseset freelet go
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 無源 : [無線電] passive無源電路 passive circuit; passive electric circuit; 無源天線 passive antenna; ref...
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  2. Nonlinear viewpoints on development of science is depended on that the science is the partial system of society system, and it not only has the nonlinear interaction which is the source and motive force of development, but also has strange attractor which lead to order in the disorder, that is science problem and science theory, matthew effect and priority. the development of science also possesses sensitive dependence to the primary condition. it will flux and reflux suffered from the influence of various random factors inside and outside of system

    科學發展的非線性觀立足點就在於科學是社會系統的分系統，它不僅有非線性相互作用，這構成了發展的源泉和動力，更有導致無序中產生有序的奇異吸引子（科學問題與科學理論， 「馬太效應」與「優先權」 ） ，在發展過程中對初始條件也具有敏感依賴性，並受到系統內部、外部的各種隨機因素的影響而產生漲落，在常規發展時期表現為科學的漸變，也就是量的積累，當漲落放大時就表現為科學革命，即質的改變。
  3. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  4. In technique rebuilding of system, discharge curve of ni - mh battery was measured, and power supplies in uav were improved. the security, adaptability and efficiency of miniature aerial rs systems could be improved obviously by microwave video transmission system and self - regulating blocking net in landing

    在對系統的技術改造中，測定了ni - mh電池組放電曲線，對無人機機載電源做了改進，配合加裝的微波視頻傳輸系統和自行研製的降落阻尼攔阻網可以大大提高無人機航空遙感系統的安全性、適應性和作業能力。
  5. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。
  6. Main products include : adjacent channel head - end equipment, two / single - way cable transmission amplifier series equipments, two / single - way optical fiber transmission series equipment, controlling software of catv subscriber addressing management system, two - way hfc network passive equipment and hfc network, and telecommunication workstation series product

    主要產品有：智能化前端設備、雙（單）向電纜傳輸放大器系列設備、雙（單）向光纖傳輸系列設備、有線電視網路管理及用戶管理系統設備和雙向hfc網路無源器材及相關的系列專業軟體、服務軟體、通信直放站等系列產品。
  7. With the fast development of internet, the problem of information security looks increasingly important. then on the basis of safe and high efficient encryption algorithm, some related network protocols are produced. compared with some other public key cryptosystems, elliptic curve cryptosystem ( ecc ) has many merits, so the special attention is paid to it by the network safety specialist in the world. ecc is widely argued because of no standard source code. in this article, the research is on the ecc theory and the implementation of it is also done

    隨著網際網路的快速發展，信息安全問題顯得日益重要。相關網路安全協議應運而生，而它們的基礎都是安全高效的加密演算法，橢圓曲線加密系統與其他公鑰加密系統相比有許多優點，受到國內外安全專家的極大關注。可是橢圓曲線加密系統（ ecc ）並無公開的標準源代碼，還處于「百花齊放，百家爭鳴」的局面，文章對于安全的橢圓曲線加密系統做了理論研究和實現工作。
  8. The third chapter is about the demonstration of the liquidity risk of open funds. this chapter uses the var model and l - var model to measure the liquidity risks of several open funds of our country and then compares the liquidity risk of those open funds

    在我國，證券市場的系統風險較大而又無相應的對沖工具，投資者長期投資的理念還沒樹立，高流動性資金來源與低流動性資產相匹配而引發的資產負債結構不對稱是中國開放式基金普遍存在的問題。
  9. With the development of the western regions, it is necessary to have a reasonable settlement of the ten connections such as exploiting and opening ; resource - oriented and market guidance ; traditional developing pattern and structure innovation ; etc. so that it will be beneficial to carry out the stat e ' s policies end work out the specific goals for the local government

    摘要在西部大開發中，無論是國家整體戰略的實施，還是地方政府具體發展目標的制定，都必須正確處理開發與開放、資源導向與市場導向、傳統發展模式與制度創新等十個方面的關系。
分享友人
分享到 Line

分享到臉書