深空通信 的英文怎麼說

中文拼音 [shēnkōngtōngxìn]
深空通信 英文
dee ace communication
  • : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 通量詞(用於動作)
  • 通信 : communication; communicate by letter; correspond
  1. Deep space communication

    深空通信
  2. In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched

    它是一種主動式干涉成像技術,這一技術過時域內的相位的調制完成直線條紋對目標的掃描,從而達到對目標頻譜的抽樣,然後接收其散射回波,對回波號進行處理,進而還原出目標的像。
  3. This paper focuses on the theory of turbo code and its application in deep space communication

    本文主要討論了turbo編譯碼的原理及其在深空通信中的應用。
  4. Turbo code also has better capability in resisting attenuation and disturbance, so it has great potential applications in deep space communication with bad channel condition

    Turbo碼還具有很強的抗衰弱、抗干擾能力,這使得turbo碼在道條件較差的深空通信中有很大的應用潛力。
  5. Viterbi algorithm is a kind of maximum likelihood decoding method, which can obtain high decoding speed and cost fixed decoding time, so it is widely used in deep space communication

    維特比譯碼演算法是一種最大似然譯碼,它可以得到較高的譯碼速度以及譯碼計算時間固定,因而在深空通信中得到廣泛應用。
  6. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system, and so on

    Reed - solomon (簡稱rs碼)是一種具有很強的糾正突發和隨機錯誤的道編碼方式,在深空通信、移動、磁盤陣列以及數字視頻廣播( dvb )等系統中具有廣泛的應用。
  7. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system ( dvb ), and so on

    Reed - solomon碼(簡稱rs碼)是一種具有很強糾正突發和隨機錯誤能力的道編碼方式,在深空通信、移動、磁盤陣列以及數字視頻廣播( dvb )等系統中具有廣泛的應用。
  8. Before implementing exploring outer space, some spacecrafts with different purpose should be launched to outer space. and because of this, effective contacts are required to be constructed between spacecraft and the earth, and among the spacecrafts, namely we should perform deep space communication

    要開展間探測,就要向太發射帶各種目的的間探測器,這樣就要求在探測器間、探測器與地球間構建起行之有效的聯系,即要進行深空通信
  9. One of the key technologies of deep space communication is channel code. there are differences between deep space communication and the common space communication. because the former one has some characteristics, such as extending information transmission, and seriously reducing signal energy, it is necessary to ensure the information transmission band and the exactness by using the special means

    道編譯碼是深空通信中的關鍵技術之一,深空通信與一般的不同,深空通信具有息傳輸時延大、號能量衰減嚴重等特點,必須有特殊的手段保證其息傳輸的帶寬和準確。
  10. First, the dissertation researches the characteristics of deep space communication and the popular space communication protocol, such as ccsds, omni etc. according to the functions of communication controller for data link layer protocol, it analyses the characteristics of the channel of space communication both in lunar surface and lunar space, and also provides the relevant controlling projects of data link layer protocol

    首先,研究了深空通信的特點以及應用較為廣泛的協議,如ccsds 、 omni等協議族。根據控制器對鏈路層協議進行控制的主要功能,分別分析了月地、月上道特點,進而提出了相應鏈路協議的控制方案。
  11. As the requirements of its function, a bus control interface board has already been designed. also the paper have provided the scenarios demonstration for the bus control interface board ( bcib ), the design for the protocol of communication, the hardware for bcib, the software for bcib, and the software for the processor ' s communication. while the analysis for the capability of real - time and the calibration and test for subsystem have been also finished. during the design, the system advanced ability, reliability, resources availability and the cost - efficency ratio are considered. the issus such as system integrated control, mutual exclusion of the shared storages, generation of handshaking signal and system self - test were resolved

    本論文主要對航自衛系統的綜合化方式進行了入研究,並按其功能等方面要求,對航自衛系統綜合化總線模塊進行了設計,主要完成了總線模塊方案論證、訊協議設計、總線模塊硬體設計、總線模塊( bcib )軟體設計、處理機軟體設計、實時性分析、系統調試、試驗等項工作,在設計過程中,綜合考慮了系統先進性、資源利用率、費效比及可靠性等因素;重點解決了系統綜合控制方式、共享存儲器互斥、握手號產生及系統自檢測等問題。
  12. The fact of exploring outer space has proved deep space network is the vital mainstay of exploring space

    探測的事實證明深空通信測控網是間開發的重要支柱。
  13. We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,

    根據間數據系統顧問委員會( ccsds )為turbo碼應用於深空通信系統推薦的標準,包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式,以及交織器的選擇等參數的建議以及sova譯碼演算法的理論基礎,設計了sova演算法的實現結構,過模擬驗證了本文所採用的turbo碼的性能,從而證明turbo碼確實是一種很好的道糾錯編碼方式,它適用於要求功耗低或噪比低的深空通信系統中。
  14. First of all, the development of the digital trunked communication system is summarized, and the technical characteristics of several prevail worldly digital trunked communication systems are compared. in view of the domestic situation, the tetra digital trunked radio communication system is chosen as the studying and developing model. with the study of control technology of softswitch, the protocol of the v + d air interface and the multiple use of channel is analyzed, the base station control unit of the digital trunked communication system is discussed, the calling control flow is designed

    本文首先綜述了數字集群移動系統的發展狀況,針對目前國際上流行的數字集群體制的技術特點進行了比較和分析,並根據我國的具體國情選擇了tetra數字集群系統作為研究和開發的重點,結合對軟交換控制技術的研究和分析,對集群系統重要的v + d中介面協議及其道復用進行了較為入的剖析,對數字集群實驗系統的基站控制部分進行了論述,對呼叫控制流程進行了設計。
  15. The mssr mode s technology, which was introduced firstly for the purpose of air tranfic control ( atc ) system, is based on the individually addressing and selective interrogation technology. the mode s can overcome many problems exist in mode a / c, such as signal interference, limited aircraft identification, garble and fruit, and provides the ability to build digital data link. many countries and organizations do them best to support researches about the communication, navigation and surveillance technology, which are all based on the mode s, and many productions have been adopted step by step by the international civil aviation organization ( icao ). so, to research the key technologies of mode s will contribute a lot to the development of domestic aviation system, especially for the air control system, identification friend foe and navigation system

    它建立在獨立編址、選擇性詢問的基礎之上,能夠解決在模式a / c中存在的號干擾、有限的息編碼、幻影( garble )和異步應答( fruit )等問題,同時在數據鏈路方面有著巨大的潛力。國際上,模式s的數據鏈技術得到了廣泛的關注,許多國家和組織大力支持基於模式s的、導航和監視技術以及航管理新技術的研究,許多成果正逐步被國際民用航組織( icao )所採用。因此,對模式s核心技術的入研究對於我國在航管理、敵我識別、導航等方面的發展有著重大的意義。
  16. The development and status of the tt amp; c and telecommunication technology of russia

    俄羅斯測控技術的發展及現狀
  17. This essay firstly systematically introduces the theories and key technologies of vpn with the detailed presentation of the functions of safety manage central - - - - the automatic production and distribution of passwords, remote - controlled destroy of passive and active passwords, loading special data in air and special tracing of cell phones that are out of control. besides, the researchers has analyzed the contents and findings of similar researches both domestics and overseas with the emphases on the in - depth research of safety communication gateway in order to confirm a system model and carry out the macro - design. after that is the detailed introduction of the design realization of special information transportation

    本文首先系統地介紹了gsm移動保密專網的原理知識及關鍵技術,詳細介紹了安全管理中心的功能- -密鑰自動產生和分配、被動式和主動式密鑰遙控銷毀、專用數據中加載、以及失控專用手機追蹤等,並且對國內外同類研究的內容和成果進行分析;重點對安全網關進行了入研究,確定了一種系統模型並進行了總體設計,然後對其中專用息傳輸的設計實現進行重點介紹;本文還對安全管理中心的短消息安全網關與專用手機進行性能測試,測試結果表明該系統符合課題的各項技術指標,實現了安全網關的各項功能需求;最後,總結課題工作,對下一步系統進行完善和發展的內容提出了具體建議。
  18. This paper using maplnfo geographic information system tool, ms access database system and vb programming language, combining plentiful professional knowledge, through integrated second development, deeply analyses processing technology of several typical urban road traffic information in gis, designs and realizes data write, data maintenance, data inquire, analyse and process, data print and so on, processes spatial data and attribute data of urban road traffic information correlative, and according to the need of geographical information system, divides all the urban traffic management business into four systems, include traffic basic facilities management system, public transit management system, traffic survey management system, traffic order management system, every system has several sub - systems, thus dctailizc urban road traffic management business

    本文選擇mapinfo地理息系統作為開發平臺,結合microsoftaccess數據庫工具和visualbasic編程語言,利用豐富的專家知識,經過集成二次開發,入分析了幾種典型城市道路交息在地理息數據庫中的處理技術,設計和實現了數據錄入、數據維護、數據查詢、分析處理、數據輸出等功能,對道路交息的間數據和屬性數據進行了一一對應的處理。並進一步提出將公安交管理全部業務按息化系統的需要劃分為:交基礎設施管理系統、公共交管理系統、交調查管理系統、交秩序管理系統四個系統,每個系統下面分為若干子系統,從而細化了城市道路交管理的業務。
  19. A extend - beacon tracking method for deep space optical communication was proposed, and the operational principle of the method was given

    摘要提出了一種擴展標的跟蹤方法。
  20. An application of spread spectrum technology in deep space tracking telemetering amp; amp; control tt amp; amp; c system

    擴頻技術在測控中的應用
分享友人