有效傳輸系數 的英文怎麼說

中文拼音 [yǒuxiàozhuànshūxìshǔ]
有效傳輸系數 英文
effective transmission factor
  • 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
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 有效 : effective; valid; efficacious
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience are obtained that are very useful in developing cryopumps

    開展中性束注入系統液氦低溫冷凝泵的研究，對獲得優良的束傳輸效率，具有非常重大的意義；並為以後相關應用領域中低溫冷凝泵的設計提供了性能參數和工程經驗。
  2. To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience were obtained which is very useful in developing even larger cryopump

    開展中性束注入系統液氦低溫冷凝泵的相關研究，對獲得優良的束傳輸效率，具有積極的意義；並為以後開發更大抽速的低溫泵及相關應用積累了豐富的物理參數和經驗。
  3. With the rapidly development of computer network technology and the widely use of network technology in every walk of life, people transmit data through computer network more and more frequently, including all kinds of secret information ( for example, military secret ; bussiness secret ; personal private information ). today, as a result of poor security of our network system, we can not prevent the transmittied information from stealing and modifying unlawful. thus, the computer network technology is applied to our daily life restrictedly. recently, many network applications with voip ( for example msn messenger ; dialpad ; distributed multipoint multimedia conferences ) take no measures to encrypt their data

    隨著計算機網路技術的迅猛發展和網路技術在各行各業中的廣泛應用，人們通過計算機網路傳輸數據日益增加，其中包含了各種機密信息（例如軍事機密信息、商業機密信息、個人隱私信息等） 。由於目前的網路系統缺乏足夠的安全性，不能有效防止網路上所傳輸的信息被非法竊取和修改，因而極大地限制了計算機網路技術在日常工作中的應用。當前，基於voip技術的各種網路應用，如msnmessenger ， dialpad ，以及一些分散式多媒體會議系統，竟然未採取任何加密措施
  4. The software system has such characteristics as follow : all the information including streaming media are transported in transport - layer. its speed is much higher than in application - layer because it cuts down the time in data processing between two layers and can transport more pure data in equal time

    本系統具有以下特點：所有信息數據的傳送都在傳輸層實現，與在應用層實現相比，不僅減少了協議層之間流動的時間開銷，而且提高了有效數據的傳輸速率，有利於實時播放多媒體影音文件。
  5. Through the implementing of kernel level file and cache mechanism at the client side, this newly proposed distributed network file system provides seamless network file access and reduces the performance decline caused by network transmission. utilizing the concept of logic block server, it provides the reliable data block storage and implements redundant storage capacity. utilizing the concept of the index server, it provide s the cost of the greatly for server and network during data access process and realizes the computing with balancing capacity

    在客戶端通過實現內核級文件的調用和緩沖機制，實現了文件的無縫網路存取，並減少由於網路傳輸帶來的性能下降的影響；利用邏輯塊服務器實現邏輯塊的冗餘存取，實現數據塊的安全存放；利用索引服務器進行負載均衡計算，實現資料存取的較低網路和服務器開銷；利用索引服務器實現服務器組的零管理，使該系統具有高效性、穩定性和可伸縮性。
  6. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據
  7. Thispaperhasstudiedonthedatalinkinterfacetechniqueoftacticalcontrolsystem. firstof all, functional requirement and the important role of data link interface in tactical controlsystem is introduced ; secondly, with object oriented method, the characteristic of uav taskcontrol process is analysed, and then uav task control information model is established, anddata link interface standard of tactical control system is designed based on this model, including message format and transmission mechanism ; thirdly, data link control module isdesigned based on embedded linux operating system and has realized conversion betweendata link standard interface and the private interface of uav data link ; and then, combinationreal time corba middleware and its event channel, data link control modular componenttechnology is studied, and realization scheme is put forward ; finally, demostration is madebased on prototype of tactical controlsystem, which verify the validaty of data link interfacestandardandembeddeddatalinkcontrolmodules

    本文對戰術控制系統中的數據鏈介面技術進行研究:分析了數據鏈介面在戰術控制系統中的功能需求;採用面向對象的方法，分析無人機任務控制問題，建立了無人機任務控制信息模型，並基於該模型設計了數據鏈介面通信協議，包括報文格式和傳輸機制;基於嵌入式linux系統設計了數據鏈介面控制模塊，實現了數據鏈標準介面與無人機數據鏈私有介面之間的相互轉換;結合實時corba中間件及其事件通道，研究了數據鏈介面控制模塊組件技術，並給出了實現方案;通過戰術控制原理實驗系統的演示實驗，驗證了數據鏈介面通信協議和嵌入式數據鏈介面控制模塊的有效性。
  8. Employing the interlaced scanning, current tv system can compress the frequency band of tv signal effectively and facilitate transmission. but this method reduces the scanning lines of pictures and the frequency of the field. it leads the pictures displayed on tv to have such disadvantages as large area flicker, edge flicker, interlace flicker, raster visibility and creeping line etc. to satisfy people " s vision feeling better, the big - screen, multi - function and high quality tv - set have been made great progress

    現行的廣播電視系統由於採用隔行掃描方式，從而有效地壓縮了電視信號的頻帶，有利於傳輸；但由於這種方式使得圖像的掃描行數少，場頻低，導致了重顯的電視圖像有大面積閃爍、邊緣閃爍、行間閃爍、行結構可見及行爬行等。
  9. An engineer case is introduced, which is " the identification of coke oven sequence number and distant transmission of pushing coke information ". advanced technology of wireless data transmission and computer control is adopted to improve pushing coke motor. the data transmitter - receiver is introduced in the engineer case, and the improved step - by - step decoding algorithm is put into practice

    在此系統中對推焦車採用較為先進的無線遠傳技術和計算機控制技術進行改造，選用深圳「友迅達」的數傳電臺fc - 201 e開發了「推焦過程信息遠程傳輸系統」 ，並將本文提出的這種改進的step - by - step譯碼演算法應用其中，實現推焦車上的推焦過程監測儀和上位機以及其他現場執行機構的可靠、有效的通訊。
  10. Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience

    機頂盒雖然只是數字電視傳輸系統的終端設備，但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此，通過對機頂盒軟、硬體的研究開發，既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備，也為圖像信號和音頻信號的數字化處理積累經驗。
  11. This test platform is simplified ofdm digital television transmission system. the test platform provides a quick and efficient tool to testing the efficiency of ldpc coding for the setting up of dtv standard, without the need of the completing whold dtv system, saving time, improving work efficiency. even this platform is simplified version, but it still has all the key technique of dtv transmission system, accumulating experiences for the design of dtv transmission system, and it can easily expands

    由於數字電視傳輸系統是一個復雜龐大的工程，為了驗證數字電視傳輸系統中ldpc編碼的效率，以便於標準的確立，窄帶ldpc解碼-誤碼測試平臺就提供了一個快速，有效的編碼測試工具，而不用等整個系統完整的收發端設計完成之後才進行測試，大大的節省了時間，提高了工作的效率，有利於數字電視傳輸標準的盡快確定。
  12. As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country

    通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。
  13. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括：狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波：光子晶體和負折射率。
  14. According to the trend, this paper introduces the technology of database and pc ' s serial port communication, which is adopted as the technology premise of wireless surveillance control system. and it illustrates the key technologies of how to realize the wireless surveillance control system. by making full use of its possible expansibility, flexibility and pervasive applicability, as well as the serial port communication technology, scada could help to transmit batch of data effectively, extend the ascii code serial port communication processing in the mscomm components and transmit the large - scale data stream

    針對這一趨勢，論文在介紹了作為無線監控軟體系統的技術前提的數據庫技術和微型計算機串列口通信技術的基礎上闡述了實現無線監控軟體系統的各項關鍵技術，對利用數據庫系統對數據結構間的關系的嚴格定義和約束實現系統的可擴展性、靈活性與普遍應用性、利用計算機串列口通信技術實現批量數據傳輸、實現了數據的有效傳遞、 mscomm控制項中擴展ascii碼的串口通信處理和大型數據流的傳輸等項技術作了詳盡地說明，並對已完成的系統作出了評價，提出可以進一步改進的意見。
  15. The radiation patterns at different scan angle from - 20 to 20 degree are presented, and the angle difference between the maximum / minimum field points of their main beam shows the bse of the radome. at different frequencies, the radiation from the antenna has been discussed when azimuth scan angle ranges between - 20 degree and 20 degree. the relationship between

    200 ~ 200范圍內天線的和方向遠區場、方位差方向遠區場;得到方位瞄準誤差、瞄準誤差斜率和功率傳輸系數隨掃描角和入射波頻率的變化關系;並將所得數據與文獻數據進行比較，表明間接射線法簡單、有效且精度較高。
  16. The main characteristics of broker are as follows : 1. this paper presents a novel implementation model of mvc pattern called bmvc - smvc, which is mainly working on browser. it reduces the data transferring quantity and web server loads effectively by using controller, model engine and control library of javascript in the web page, with which web server acts as storing data and using the view template, controller and model script to cooperate

    Rms系統由控制端viewer ，被控端hoster ，控制服務器broker和通信服務器relay四個部分組成，本文完成了viewer 、 relay 、 hoster之間通信隧道的建立，並主要對broker服務器進行了研究與實現，本文的主要特點為: 1 、提出了一種以瀏覽器端為主的mvc模式的新實現模型bmvc - smvc該模型在瀏覽器顯示的頁面中加入javascript編寫的controller 、 model引擎和控制項庫; web服務器則主要扮演一個存儲數據和通過view模板、 controller和model腳本與瀏覽器合作的角色，從而有效降低了網路傳輸的數據量，大大減輕了web服務器的處理負荷。
  17. This paper focuses on the main limitation - unable to share the data surely and effectively - of the existing systems. on the basis of the computer making train diagram system ver2. 0, brings fonvard the new style system of making diagram with computer based on the b / s architecture. in the paper, the author makes studies on the data permission security and transport security problems of the train diagram system that is based on computer networks and distributed system

    0 》的基礎上，針對目前國內計算機編圖系統的主要不足? ?無法安全有效的實現數據信息共享，提出基於b s體系架構的新型編圖系統整體方案，並對處于網路互聯狀態下、分散式處理系統的列車運行圖數據訪問權限以及數據傳輸安全問題進行深入的研究。
  18. We will discuss the construction of a digital transmission system with high bandwidth efficiency and good error rate performance. in the condition of 25khz wireless channel

    本文主要討論在25khz通道條件下建立一個具有高帶寬效率和較好誤碼性能的無線數字傳輸系統。
  19. In recent years, with the development of communication technologies, digital protection devices are also improved. in this paper, the communications that are used in digital protection device and the protocol they followed are studied. as a kind of field bus technology, can ( control area network ) is applied to the communications of double mcu, which has higher reliability and strong transmission ability

    同以往的通信技術相比， can信號傳輸採用短幀結構，每幀的有效位元組數為8個，因而傳輸時間短，受干擾的概率低，當節點嚴重錯誤時，具有自動關閉的功能，以切斷該節點與總線的聯系，使總線上的其他節點和通信不受影響，具有較強的抗干擾能力。
  20. 1. the collaborative geometric modeling of c - superman is based on java3d and acis, and geometric editting is an important part of the geometric modeling. taking advantage of the incremental facetting, this paper facets the acis model on the server, so that computational time and the data transmission quatity through network are reduced, and quick display of the client model has been realized

    在c - superman系統的基礎上，本文對協同cad系統中幾何編輯和優化顯示技術進行了深入的研究開發，主要研究工作如下: 1 ） c - superman系統採用java3d和acis進行協同幾何建模，幾何編輯是幾何建模的重要組成部分，在進行協同幾何編輯的過程中，本文利用增量離散的方法對服務器端的幾何模型進行離散，減少了計算量和需要網路傳輸的數據量，有效的實現了修改後幾何模型的快速更新。
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