有源放大系統 的英文怎麼說

中文拼音 [yǒuyuánfàngdàxìtǒng]
有源放大系統 英文
active augmentation system
  • 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
  • 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 ...
  • 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
  • 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. The subject comes from the cooperation project “ x waveband sar receiver ” between chengdu sine science & technology ltd. and the uestc. the auther is responsible for the demonstrability of the rf receiver and the implemetaion of the lna in the system

    本項目來源於電子科技大學成都賽英科技有限公司與電子科技大學的合作項目「 x波段合成孔徑雷達（ sar ）接收機」 ，筆者進行了該接收機系統方案的論證及接收機前端低噪聲放大器（ lna ）的研製。
  3. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  4. 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。
  5. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  6. 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。
  7. Government could relax policy on the use of water - cooled chillers for buildings to achieve energy efficiency

    此外，放寬大廈安裝水冷系統規定，有助提高能源效益。
  8. This article introduces the whole operating and managing system of chinese open end fund. it is included the origin and development of open end fund, experience and lessons of foreign open end fund development ; the classification of the open end fund and its deference from other securities ; the features of the open end fund and its establishment, transaction and structure of fees ; the operation and profit - allocation of the open end fund ; the consultation of agents

    開放式基金在我國還是新生事物，本論文將系統地介紹分析我國開放基金的整個運作管理體系，包括：開放基金的起源與發展，國外開放式基金發展的經驗與教訓；證券投資基金的分類及與其他有價證券的區別；開放式基金的特點及發起設立、交易及費用結構；開放式基金的投資運作及收益分酉幣主通大學頎士研究生學位論文霓11頁配：代銷機構對投資者的咨詢服務。
  9. An applicable example of one kind of satellite - borne t / r system composed of high power active feed network is presented, and the key technologies in the satellite environment such as amplitued - phase consistency, anti - multipaction, anti - space - esd is also disscused

    介紹了一種星載大功率有源饋電網路收發系統的實例，並探討了星載環境的幅相一致性、抗微放電以及抗空間靜電放電等關鍵設計技術。
  10. The essay suggested coupling approaches of ecological economic system pointedly with theory of coupling catalyzing and management accesses based on analyzing causes of ecological - economic system coupling status of zhijin county : 1 ) put population into practice with controlling the quantity of population and developing the quality of population ; 2 ) carry out the strategy of revitalizing zhijin through science and education ; 3 ) take ecological - economic management and optimize industrial structure and develop zhijin ’ s economy ; 4 ) protect environment & resources and control karst rocky desertification integratedly ; 5 ) facilitate urban - rural coupling and sustainable development depended on urbanizing

    在原因分析的基礎上，以催化和管理耦合理論為指導，論文有的放矢地提出生態經濟系統的耦合途徑: 1 ）實施人口政策，控制人口數量，提高人口素質; 2 ）大力實施「科教興織」戰略; 3 ）推行生態經濟管理，優化產業結構，發展織金經濟; 4 ）保護環境和資源，綜合防治石漠化; 5 ）以城鎮化為載體，推進城鄉耦合和可持續發展。
  11. 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。
  12. Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale

    本文在概述經濟結構理論的基礎上，第一次系統地研究了西安市農村經濟結構調整，用數據統計的方法，定量、定性地分析了西安市農村經濟結構演變的軌跡，分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應，揭示了農村產業結構演變的規律。提出農村非農產業，尤其是高速增長的農村工業，對促進農村產業水平的提升起著長?推動力的作用；農民收入增長直接受農村產業結構的影響最大，農業產業結構、種植業結構對農民收入有影響，但作用不可高估；非農產業是農民增收的主要支撐力量，解決農村余勞動力在城鎮化、工業化水平不高的情況下，切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業；農民收入要保持快速增長態勢必須加大農村勞動力轉移力度，減少耕地承載勞動力的系數。通過理論分析，結合西安市改革開放后20多年的農村產業結構調整的實踐，提出了西安市農村產業結構調整的發展思路及目標、原則，明確指出了政府在農村經濟結構調整過程中的職能轉變的重要方面：一是制定農村產業結構調整的傾斜政策，二是加大對農村產業調整的投入力度，三是制定產業結構調整的規劃，四是依靠科技進步促進產業優化和升級，五是加快城鎮化過程，優化農村產業結構。
  13. 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。
  14. Government ' s overall development of human resource must construct " eight ideas " : to change the philosophy idea from " one - sided view " to " systematic view ", to pay more attention to the strategic precondition, to regard the policy and legislation as the precondition of the development, to form a market of resources allocating ( this part includes six developing mechanism ), to place education in the most important position to enhance our country ' s comprehensive power in entering wto and developing the west, to strengthen the idea that the " rising sun project " and " sunset glow project " should consider in one system, to strengthen the idea of system and dynamic management, at last we believe that the emergence of digitizing in development management will induce the great revolution in the government ' s history of human resources development

    摘要政府整體性人力資源開發務必建構「八大理念」 ：開發的哲學理念是「一統論」向「系統論」轉軌；注重開發戰略規劃的策謀；開發的大前提是政策和立法；建立資源配置的市場化等開發機制；善於把繼續和終身教育放在首要位置，藉以提高我國加入wto和西部大開發的綜合國力；強化朝陽、午陽、晚霞工程一盤棋的理念；鑒于其開發具有多維性、延展性，故須強化系統、動態管理的理念；數字化開發管理的出現必將掀政府人力資源開發史上的浪潮。
  15. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  16. In view of this, the paper makes a research on some basic theories of integration and integrative management, including the classification and concept of integration, the dialectic relations between integration and system, division of labour and management, and the concept and character of integrative management, etc. establishing the modes of organizational structures which adapt to integrative management is the key to implement integrative management successfully, integrate the superior resources within and without the enterprise effectively, enhance the competitive competence of the enterprise rapidly, and realize the integrative and amplifying effect of 1 + 1 2

    鑒于集成管理理論目前尚未形成完善的知識體系，許多問題還在研究和發展中，論文對集成與集成管理的若干基本理論問題進行了研究，包括集成的分類和概念、集成與系統、分工、管理三者的辯證關系以及集成管理的概念與特徵等。建立與集成管理相適應的組織結構模式，是企業成功實施集成管理，有效整合企業內外部優勢資源，迅速增強企業競爭力，實現1 + 1 2的集成放大效應的關鍵。
  17. However up to date, the 3rd version rodos announced by the ec publicly has only its contained two sub - systems ( i. e. asy and csy ) considered by the general public as relatively mature technologies ; while the core esy is now being developed. from the perspectives of what our country absorbed version rodos 3. 0, rodos system structure is large, complex and of which source is simple and not very open, that restricted the popularity of application and are likely to be not very suitable for our country ' s nuclear power station operation

    但時至今，歐共體向世界公開的rodos第三版中，只有分析子系統（ asy ）和對策子系統（ csy ）較為成熟，而輔助決策的核心部分決策評估子系統（ esy ）還在開發中，從我國引進的rodos3 . 0版本來看， rodos系統結構龐大、復雜，且要求在hp機上運行，運行環境封閉，資源單一且很不開放，如allbase數據庫管理系統。
  18. As a new kind of microwave power modules, a mpm consisting of a broad - band twt, a solid - state power driver and an integrated power conditioning, is a very important part in a next - generation electronic military system, and the milli - meter wave power module ( mmpm ) will be well developed as follows

    微波功率模塊mpm作為一種新型的微波功率部件，由寬帶行波管、固態功率放大驅動模塊和集成電源構成，在新一代電子戰系統中具有重要的意義，並逐漸向毫米波功率模塊（ mmpm ）方向發展。
  19. The construction of the campus network teaching resources of the language training in school for deaf - mutes is based on the needs of special education, is instructed to systematical the theoretical, following the technique criterion of country issuance

    構建聾校語言訓練教學資源庫具有重要的意義。聾校語言訓練資源庫的建設應以特殊教育需求為前提，以系統理論為指導，遵循國家頒布的技術規范，在較大范圍內實現資源的開放與共享。
  20. 8. the report found it probable that the index patient suffering from chronic renal failure had infected a group of residents in block e and subsequently other residents in the same block through the sewage system, person - to - person contact and the use of communal facilities such as lifts and staircases

    8 .報告指出，患有慢性腎衰竭病的源頭病人很可能是透過污水排放系統人與人之間的接觸和使用大廈公用設施如升降機及樓梯首先使部分住客感染病毒，然後再感染其他的同座住客。
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