space communication system 中文意思是什麼

space communication system 解釋
空間通信系統
  • space : n 1 空間;太空。2 空隙,空地;場地;(火車輪船飛機中的)座位;餘地;篇幅。3 空白;間隔;距離。4 ...
  • communication : n. 1. 通訊,通知;交換;信息;書信,口信,通報。2. 傳達,傳授;傳播;傳染。3. 交通,交通機關;聯系,連絡(設備)。4. 【宗教】接受聖餐。
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷,是其響應速度目前只能達到微秒級或亞微秒級,不過,在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面,液晶器件完全可能進入實用化。
  2. As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無線通信系統的通道容量和傳輸效率,並能有效的抵抗多徑衰落、抑制干擾和噪聲。
  3. Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region

    以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體;配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體,結合多尺度雲系模式,綜合構成層狀雲系中微尺度探測和分析處理技術方法。
  4. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  5. The experiences of this item could be generalized in following aspects : rational zone layout safe and free communication lines, diversified composite space, double functions in the landscape and green system, three - dimensional and dynamic junketing system, peculiar regional atmosphere and sustainable strategy for development

    總結了在武漢新區城市濱江空間設計的經驗體會,主要表現在一下幾個方面:合理的規劃布局、安全通暢的交通流線、豐實的建築空間特徵、雙重功能的綠化系統、立體的動態旅遊觀景系統、濃郁的地域文化氛圍、可持續的發展戰略。
  6. Using the technology of mobile communication, intelligent home control system is able to expand clients ’ activity space and make it easy to control and query house

    試驗結果表明,採用該方案搭建的家居控制系統使用方便、通用性好、控制響應時間短,能滿足人們的日常生活需要。
  7. The working space in the fields such as oil, chemistry, metallurgy, coal mining and medicine always requires a communication system which can make sure the calling party shortly and easily get in touch with the called one in the inflammable and explosive, large - scaled and strong - noised working space

    石油、化工、冶金、醫藥、煤炭等行業中的生產場所要求通信系統能夠在易燃、易爆、大范圍、強噪聲的生產場所使主叫用戶快速、簡便地與被叫用戶取得聯系。
  8. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無線移動通信系統中採用智能天線技術,實際上是通過數字信號處理,使天線陣為每個用戶自適應地進行波束賦形,相當于為每個用戶形成了一個可跟蹤它的高增益天線,從而即可以進行全方位通信,也可以用較小的發射功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。
  9. Cables are widely used in various engineering fields, such as civil engineering, electric communication engineering and space engineering. the objective of this study is to develop lqr controllers for a tethered mass system

    繩索被廣泛應用於橋梁、電力與通信工程、運輸、航空航天等諸多領域,如水下拖拽系統、繩系衛星系統、索拉橋、吊裝系統等。
  10. Each is served with a specifically optimized communication layer implementation ; 5 ) a multi - agent system abstraction model, as a powerful tool for integrating modules from different domains. context aware computing is the effort for computer systems to sense and leverage the rich context information in the physical space

    智能空間中的覺察上下文計算使得計算系統可以主動的識別和利用物理空間中的上下文,為實現計算的透明性目標提供了一種現實可行的途徑。
  11. Embedded system has used in all sorts of complicated engineering technologies, for instance, network communication system, manufacturing system, medicine equipments, electric power system, electric network, auto manufacture, space shuttle, transport system, etc. embedded system was composed of hardware and software, microcontroller is the core of hardware, and, if operating system was used, it would be the core of software

    嵌入式系統廣泛應用於各種復雜工程技術中,包括網路通訊系統、製造系統、醫療設備、電力電網、汽車製造、航天飛機和運輸系統等眾多應用領域。嵌入式系統的組成包括了硬體與軟體技術,嵌入式微控制器是嵌入式系統的核心硬體,如果採用操作系統,則操作系統是軟體部分的核心。
  12. The atmospheric turbulence effect the performance of free - space laser communication, and the atmospheric turbulence almost determined the operation distance of laser communication system

    論文作者討論了大氣擾動對空間激光通信的影響,特別是大氣湍流對空間激光通信的影響。
  13. In this paper, a new interference - space - based blind adaptive mmse linear detector and the corresponding tracking algorithm based interference correlation matrix is proposed for mai in cdma wireless celluar communication system. analysis and simulation illustrate that the proposed blind multiuser detector has lower computational complexity, faster convergence and stronger robust with respect to imprecise knowledge of the received signature waveform of user of interest

    圍繞著cdma無線蜂窩移動通信系統中的多址干擾( mai )抵消問題,本論文在現有盲自適應多用戶檢測技術基礎上,提出了一種新的基於干擾空間線性mmse盲自適應多用戶檢測器及其相應的基於干擾自相關矩陣c _ 1跟蹤演算法。
  14. The simulation analysis of space - time trellis code and ofdm combined communication system performance

    相結合的通信系統性能模擬分析
  15. Considering space environment of laser atmospheric communication, the thesis analyses issues of atmosphere turbulance and interference of background light noise during the course of transmission, furthermore, discusses the structure and basic constitute of the laser atmospheric communication system. combining the technical index requirement of the subject, it provides design scheme and circuit of the transmitting and receiving system

    論文從激光大氣通信的空間環境出發,對光信號傳輸過程中通道中的大氣湍流和背景光噪聲干擾問題進行了分析,並在此基礎上論述了激光大氣通信系統的結構和基本組成,結合課題的技術指標,給出了發射和接收系統的設計方案及其電路實現。
  16. As a combination of ofdm with space - time coding technique, mimo - ofdm has recently received considerable attentions, which can not only effectively enhance the transmission rate and capacity of the wireless communication system but also effectively combat multi - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無線通信系統的通道容量和傳輸速率,並能有效的抵抗多徑衰落、抑制干擾和噪聲,從而引起了通信界的廣泛關注。
  17. Advanced orbiting system ( aos ) is the product of the standardization of space data system and the combination of tt & c and communication. aos protocol brings the field of the space c & t tremendous changes. our aerospace projects should implement the aos protocol to join the world aerospace club

    高級在軌系統( aos )協議是空間數據系統標準化和測控與通信相結合的產物,該協議的出現給空間測控通信領域帶來極大變革,我國航天事業要與世界接軌必須逐步實施aos協議。
  18. In the communication system of cns / atm, vhf data communication is used in busy air space, and aeronautical mobile - satellite service ( amss ) is used in other air spaces, such as ocean and desert, but can improve the flight safety greatly in the navigation system of the cns / atm, global navigation satellite system ( gnss ) is the main elements

    在新航行的通信系統中,主要發展數據通信, vhf通信用在繁忙的空域, amss主要用在海洋、荒漠空域,但都能極大地提高飛行安全。
  19. Therefore, it is useful to make further study on heightener of reflectivity and applying in laser system with narrow pulse - width less than 30ns and high repetition rate more than 100hz for space - communication and laser - detect

    而對光纖相位共軛器而言,關鍵問題是如何突破sbs反射率低於60的瓶頸,並應用到重復頻率大於100hz 、脈沖窄於30ns的激光系統中獲得較高的穩定性和較好的相位共軛效果。
  20. Consultative committee for space data system ( ccsds ) is an international organization for standardization, which consisted of multinational space organization. ccsds establishes standard communication system structure, protocol, and service for space data system

    Ccsds (空間數據系統咨詢委員會)是一個由多國空間組織共同組成的國際標準化組織,它主要為空間數據系統制定標準化的通信體系結構、通信協議與業務。
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