通訊系統數學 的英文怎麼說

中文拼音 [tōngxùnxìtǒngshǔxué]
通訊系統數學 英文
mathematics for communication systems
  • 通 : 通量詞（用於動作）
  • 訊 : Ⅰ動詞（訊問） interrogate; question Ⅱ名詞（消息; 信息） message; dispatch
  • 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 ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 通訊 : 1. （利用電訊設備傳遞消息） communication 2. （報道消息的文章） news report; news dispatch; correspondence; newsletter
  • 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
  • 數學 : mathematics
  1. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  2. Due to the low mechanical efficiency and long circulating period of the down - charging system of cold bed in bar production line, this paper puts forward the improving project, which adopts ethernet supplemented by dp network, applies the fm350 - 2 advanced counter and suitable maths model and combines the technique of the transducer and hydraulic pressure drive control to realize auto - control

    摘要針對棒材生產線上冷床下卸鋼系統機械效率低、運行周期長，不能適應快節奏生產的現狀，採用以工業以太網為主、 dp網為輔的網路通訊，應用西門子fm350 - 2高速計數器，通過有效的數學計算模型，結合變頻器和液壓傳動控制技術，實現網路自動化控制。
  3. C / c + +, circuit analysis, analogous circuit, pulse and digital circuit, signal and system, physical optics, microcomputer principle andconnection technology, modern communication principle, informationtheory and code, guided waves optics, optical fiber technology andapplication

    電路分析，模擬電路，脈沖與數字電路，信號與系統，物理光學，微機原理與介面技術，現代通訊原理，信息理論與編碼，導波光學，光纖技術及應用
  4. Based - w on uml, we use uml extend mechanism to process specific property develop about workflow : customize stereotype such as contract, port, collaborate, etc. and set up contract hierarchical system structure. for strict mathematical analysis and simulation, we also provide a convertible mechanism from uml model to object petri nets and a object petri nets ? formal analysis method. analyze the complicated dynamic relation among wofld7low ( work item ) in distributed workflow system by object petri nets ? strong analysis and simulation capability

    我們以uml為基礎，利用uml的擴展機制進行了有關工作流特性的擴展：定製了合同、埠、通訊協議塊等版類，建立了合同化的層次體系結構；為了對建立的模型進行嚴密的數學分析和模擬，我們又提供了從uml模型到對象petri網的轉換機制和對象petri網的形式化分析方法，利用對象petri網強勁的分析模擬能力來分析分散式工作流系統中工作流（工作任務）之間的復雜的動態關系；根據分析結果可以對模型進行有效地改進，最後確定的模型容易實現到程序代碼的轉換。
  5. As the results, more and more serious requirements were raised to the nuclear data acquisition and control system. in order to meet these requirements and to support the advanced study of the interaction between clusters and materials, a key project supported by china national science foundation, we have done the study of the data acquisition and control system for the clusters characteristic in detail, and employed single - chip microcomputers and pc computers to compose a large scale data acquisition and control system. the composition mode of this kind of system and the distribution of tasks, the acquisition and control circuit units based on single - chip microcomputers, the real - time communication methods and the software composition under the windows 98 were also discussed in detail

    針對這一問題並為了保證國家自然科學基金重點項目「荷能離子團簇與介質的相互作用」等前沿研究課題的進行，本論文對團簇研究中的數據獲取和調控問題進行了詳細研究，提出了以pc微機和集群式單片微機為主構成的團簇特性研究用分散式多通道數據獲取和調控系統的方法；詳細討論了這種系統的最佳組成模式、任務分配、單片微機數據采控單元、系統內實時通訊網的建立和windows環境下系統軟體的編寫等硬軟體問題。
  6. This paper will study under layered real - time scheduling problem, which is based on the theory of mas ( multi - agent system ). first, we research the structure model of mars, then an uniform model based on han ( hierarchical agent networks ) is proposed, which can unify all sorts of model ; second, the communication model of mars has been studied, then we propose high level communication model and under layered network topology model, and they are the same with mars ; three, ground on above, a real - time cimunication protocol for mars - - - - - rtcmr has been presented. in this paper, we study the under layered real - time scheduling protocol of rtcmr, which include real - time process scheduling and real - time message scheduling

    本文首先研究了多智能體機器人系統結構模型，提出了多層次智能體網路一體化模型，該模型對各種結構模型分類進行了統一；然後對多智能體機器人系統的通信模型進行了研究，提出了適用於mars的高層通信模型和底層網路拓撲；在此基礎上，提出了基於多智能體機器人系統的實時通訊協議? ? rtcmr ，本文對rtcmr的底層調度協議進行了研究，包括實時任務調度和實時報文調度，提出了sp ts協議系統，建立了sp ts演算法的數學理論模型， sp ts協議系統在實現了實時任務的絕對時限保證的同時也實現了底層實時報文傳輸的絕對時限保證，實現了實時任務調度和實時報文調度的統一，最後，提出了基於sp ts協議的spp tsp統一控制結構，並給出了該結構的統一調度petri網模型。
  7. They are linking communications systems to shunt these data to whomever can work them into useful knowledge

    科學家們正在將各個通訊系統連接起來，從而將收集到的數據資料傳輸給任何可將其轉化為有用知識的使用者。
  8. Digital serial communication technology of aacv - 2000 language laboratory system

    2000型語言學習系統的數字通訊技術
  9. In this paper, the design of electric forklift driving controller is demonstrated. otherwise, can is added into this controller, so as to build up can networks with other modules equipped with can controllers. this paper is composed of 7 chapters : in the first chapter, the background of the paper is introduced ; in the second chapter, the structure of electric forklift is demonstrated ; in the third chapter, first the math model of series motor is found, then the motor is controlled as improved p1d control rule ; in the fourth chapter, the principle and realization method of forward and reverse rotation and back - feed brake are explained ; in the fifth chapter, the principle of can and design of application layer in can are illuminated ; in the sixth chapter, the principle of e2prom is clarified ; in the last chapter, summary of the whole paper is given, and prospect in this field is made

    全文共分七章：第一章緒論，介紹了論文背景；第二章，系統綜述，介紹了電動叉車的整車結構；第三章，串勵電機的建模、改進的pid演算法及其軟硬體實現，首先根據串勵電機的機電特性推導出數學模型，然後在此基礎上結合pid控制規律對電機進行控制；第四章，串勵電機的正反轉及回饋制動，介紹了實現電機正反轉及回饋制動的原理及方法；第五章， can網路實現模塊間通訊，介紹了can總線原理及can總線應用層設計；第六章，用串列e ~ 2prom實現參數設定，介紹了串列e ~ 2prom的原理；結束語，對本論文進行了總結，並對該領域的發展進行了展望。
  10. Possible areas of focus include digital libraries, distance teaching and distributed learning, weather information, manufacturing and engineering information systems, digital entertainment and personal communications, " the spokesman said

    可進行的重點范疇包括數碼圖書館、遙距教學、遠距學習、天氣資料、製造及工程資訊系統、數碼娛樂及個人通訊等。
  11. The research and developing of gps / gsm vehicles watch and control system based on analyzing gps positioning technology is discussed in this article. this system is a public security prevention and far distance watching control telecommunication management which has adopt the advanced system in the world including gps / gsm, gis and internet. through this system, all the movable objectives covered by gsm net can be kept being watched and controlled from far distance. the gps data of the movable objectives and different kinds of alarm data will be sent back to the service center through gsm or cable. then the center may send the information of movable objectives " gps data and help alarms that have been already classified and identified to the different departments to deal with linking the consumers through ddn, isdn, pstnand adsl. the advantages of this system is that it adopts mature gps technology and combines the movable telecommunication net - gsm provided by china telecommunicate trades throughout the nation and it can get voice information everywhere. by utilizing internet, vbandsql server computer technology, watch and control center and far distance terminals can aim at how to increase vehicles operating efficiency, decrease wear, promote service quality and build a concentrated system of watch and control, deploy and cammand, scientific management, coordinate and process, and safety in the professions relevant with transfortation of the city

    移動目標的gps數據及各類報警數據通過gsm網路及電信有線網路傳回監控服務中心。該中心可通過ddn 、 isdn 、 pstn或adsl等方式與用戶相聯，將移動目標的gps定位信息，求救信息，報警等信息進行分類確認后，實時傳送到相應的職能部門進行處理。本系統的優點在於利用了成熟的gps全球衛星定位技術，並結合了我國電信行業在全國所開通的gsm移動通訊網路，在話音上實現了全國漫遊等特點，在監控中心和遠程用戶終端利用網際網路技術、 vb數據庫管理系統、 sqlserver分散式數據庫管理系統等計算機技術，可針對城市中與交通有關的各行各業如何提高車輛使用效率，降低損耗，提高服務質量，建立集監控、調度指揮、科學管理、協調運營、安全防範為一體的指揮控制體系，發揮其不可替代的作用。
  12. These systems operate on a wide variety of continuous time signals, which include speech, medical imaging, sonar, radar, electronic warfare, instrumentation, consumer electronics and telecommunications systems ( terrestrial and satellite ). one of the key to the success of these systems has been advances in the development of the font end of the electronic systems - analog - to - digital converters ( a / d ) which converter the continuous - time stimuli signals to discrete - time binary - coded form

    這些系統可廣泛地應用於處理連續時間信號，包括語音、醫學成像、聲、雷達、電子對戰、儀器、消費電器、遠程通訊（地面和衛星）等，而這些系統成功的關鍵因素之一就是電子系統的前端部件? ? a d取得了長足的進步（ a d把連續時間信號轉換成離散時間、二進制編碼的數字信號，便於后級精確的數字信號處理） 。
  13. The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user

    本文工作的主要成果是： 1 ）將超聲波技術引入零件表面硬度的檢測當中。應用機、電、計算機技術，研製成功較為實用的小型智能超聲波硬度檢測儀2 ）採用lcd （ liquidcrystaldisplay ）液晶顯示，使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 ）在理論上建立了該系統的頻率信號與硬度值的數學模型，具有非常重要的實踐意義4 ）對各元器件進行優選，達到低能耗、體積小、重量輕、價格便宜等目的5 ）採取措施降低整個系統的能耗並對系統的供電進行了合理的管理，使其進一步達到低能耗，延長了電池的使用壽命。 6 ）利用rs - 232標準介面，討論了該超聲波智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景
  14. This thesis studies the animation simulation of unmanned aircraft including technique of 3d graphics, the theory and application of opengl, technique of programming with visual c + +, serial communication and application of digital transceiver

    本文主要研究了無人機地面綜合顯示系統可視化模擬軟體的設計，闡述了有關三維圖形學、 opengl原理與應用、 vc + +編程技術、串口通訊、數據電臺的應用等內容。
  15. Based on its strong technology and economy foundation, the mastery of core technology in safe guard engineering, network communication and digital video, the company successfully implemented many projects in many social fields, such as in government, water conservancy department, commercial, education, large scale enterprise and police with the gaining of great social efficiency, which the projects include multilevel remote monitoring system, public security guard system, closed - circuit television, large - scale network communication, network education, multimedia network alternate education platform, multimedia conference system, multimedia video ordering system, digital video recording, and video broadcasting application

    憑借強大的技術和經濟實力以及公司在安防監控工程、網路通訊和數字視頻技術領域所掌握的核心技術，本公司先後成功的實施了多級遠程監控系統、治安監控系統、閉路電視監控系統、大型網路傳輸工程、網路教學系統、多媒體網路交互教學平臺、多媒體會議系統、多媒體視頻點播系統、數字錄像、視頻廣播等工程已在政府、水利、金融、教育、大型企業、公安等多個行業中被廣泛應用，並取得了良好的社會效益。
  16. Of particular interest are those that provide the ability to manage many aspects of cryptography, the extensive math libraries, and the external access to web services, files, and business - to - business communication systems

    其中尤其重要的是提供了對諸多加密設置進行管理的能力、豐富的數學庫以及從外部訪問web服務、文件和企業對企業通訊系統的能力。
  17. An intelligent interface with the ability of running internal model is used to finish the tasks of network communication and resou rce management, therefore, the kernel of data fusion unit can hammer away at the more important tasks, such as data mining, model configuration and fusion strategies deciding, furthermore, with the importing of data marts, some crucial functions of data fusion system, such as learning, evaluation and storages is also enhanced

    其具有內部模型運行能力的智能介面用於完成網路通訊和資源調配任務，從而使融合元的核心部分可以致力於更重要的信息挖掘、建模和融合決策等任務，分散式數據集市的引入增強了數據融合系統網路內部模型的學習、存貯、評估和獲取能力。
  18. A range of value added services are currently being provided by dvn on digital tv platform at affordable cost for channel rebroadcasts, near video on demand, on - line information, interactive advertising, tv - commerce etc. based on the prc s nationwide survey report " economic research analysis of digital set top box technology for cable tv operators " conducted by the academy of broadcasting science, sarft of china in 2002, the dvn s brand set top boxes ranked the highest in the adoption rate amongst the tv operators in china

    集團已在中國十多個省市建立了二十多個數碼廣播系統，以低廉的成本向電視觀眾提供視頻點播、網上訊息、互動廣告、電視商務等一系列的數碼電視增值服務。根據中國廣播科學研究院二零零二年的《有線數字電視機頂盒技術經濟分析研究報告》 ，天地數碼的柏視通機頂盒為各地運營商選用率最高的終端產品品牌。
  19. Computer were put into use in the hospital in the foreign countries from the last 1950 ' s, since then, the number of computers in the hospitals have been greatly increased and it has formed a complete computer system. the hospital information system make use of the electronic computers and communication equipment to provide information of patients and hospital management for the departments attached to the hospital and it also collects, store, process, retrieve and exchange datas, it meets the function demand of authorized users, its content involves medical decision support, medical information system, medical research support system, medical education application, nurse application, medical information retrieving, medical image and signal processing, medical equipment intellectualization and hospital management information system and so on

    計算機在醫院的應用，在國外是從50年代後期逐漸發展的，四十多年來，醫院計算機應用得到空前發展，已基本形成一個較完善的體系。醫院信息系統即利用電子計算機和通訊設備，為醫院所屬各部門提供病人診療信息和行政管理信息的收集、存儲、處理、提取和數據交換的能力，並滿足所有授權用戶的功能需求。內容上，涉及到醫學決策支持、醫學信息系統、醫學研究支持系統、醫學教育方面、護理應用、醫學情報檢索、醫學圖像及信號處理、醫學儀器智能化及醫院管理信息系統等諸方面。
  20. Structured mining plays an important role in xml documents mining, web page traffic mining, analysis of molecular evolution, packet routing, biological informatics, biological computing, communication system, image database and city management

    結構數據挖掘在xml文檔挖掘，網頁流量挖掘，生物進化的分析，路由選擇，生物信息學，生物計算，通訊系統，圖像數據庫，城鎮規劃等諸多領域發揮重要作用。
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