數字通信機 的英文怎麼說
中文拼音 [shǔzìtōngxìnjī]
數字通信機
英文
digital communicator- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 通 : 通量詞(用於動作)
- 機 : machineengine
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
- 通信 : communication; communicate by letter; correspond
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Fieldbus is a kind of communication network which is a whole digitial communication multi _ embranchment data bus between intelligential field device and auto _ system. control system based on pcs ( fieldbus control system ) is a new kind of system which connect field control unit, field monitor unit, operation unit, communication interface uint with databus. lt integrates computer technology, communication technology and process cnotrol technology to adjust to demand of high standard productive control and enterprise management. lt developments and follows the advantage of traditional instrument control system and computer central control system and make up for their disadvantage so that it is applied in different industrial cnotrol area
現場總線是連接智能現場設備和自動化系統的數字式、雙向傳輸、多分支的通信網路。它是一種能支持雙向、多節點、總線式的全數字通信網路。基於現場總線技術的控制系統是一種新型的控制系統,它採用總線方式將現場控制單元、現場監視單元、操作站、通信介面單元連接起來,綜合了計算機技術、通信技術和過程式控制制技術,以適應現代高水平生產控制與企業管理的需要。Commercial banks utilize internet technology, network security technology, digital communication technology and database technology, all these computer technology to expand business, and to provide better service for customers. it has become an inevitable trend to push banking business on line, one of the representatives of web applications the banking industry will future develop
商業銀行利用網際網路技術、網路安全技術、數字通信技術、數據庫技術和計算機技術,發展商業銀行業務,為客戶提供更好的服務,以網上銀行為代表的web應用已成為未來銀行業發展的必然趨勢。Guide for digital communication protocols for computerized systems
計算機系統數字通信協議指南It ' s well known that the project documentations " storage and management have an very important effect on the development of all kinds of project, and as the information age is coming, network technology has been applied to this procedure gradually. this article mainly introduces the study and realization of a internet - based project documentation storage and management system which application programming frame is built with delphi6. 0 and sql server2000. based on the tcp / ip protocol, the system try to establish a c / s model with connection - oriented, dependable stream sockets and multithread technology to complete some especial data communications by networks, such as the files of project, directory of user, all self - defined commands or messages and their parameters, and so on
本文所研究的《基於internet的項目文檔存儲管理系統》通過delphi6 . 0和visualc + + 6 . 0相結合的開發平臺,結合sqlserver2000 ,將client server模式的數據庫技術和windowssocket網路通信技術進行集成,遵循tcp ip協議,同樣採用c s結構運行於internet ,通過服務器將處于各個不同物理位置的客戶機連接起來,形成一個交流平臺;其中,引入了目前國際上流行的先進的安全管理控制方法? ?角色控制理論對用戶進行權限分配,使擁有相應角色的人具有相應權限;然後系統自動根據組織部門或用戶的設立在服務器端生成相應的網路「虛擬文件櫃」 ,使擁有相應權限的人可以對相應文件櫃中的文檔進行整理;再通過多線程技術和windows套接字通信機制在tcp ip協議上實現了單個文件及目錄的傳輸。No one looking ahead 20 years possibly could have foreseen the ways in which a single invention, the chip, would transform our world thanks to its applications in personal computers, digital communications and factory robots
如果20年前的人們預想現在的情況,恐怕誰也無法預見到僅集成電路塊一項發明,一旦將其運用於個人電腦、數字通信和工廠機器人身上,會給世界帶來怎樣的變化。No one looking ahead 20 years possibly could have foreseen the ways in which a single invention , the chip , would transform our world thanks to its applications in personal computers , digital communications and factory robots
參考譯文]如果20年前的人們預想現在的情況,恐怕誰也無法預見到僅集成電路塊一項發明,一旦將其運用於個人電腦、數字通信和工廠機器人身上,會給世界帶來怎樣的變化。Dtv ( digital television ) technology integrates the most advanced image compressed encoding technology and the digital communication technology. it has become one of the focuses in the high - tech competitions. having the imitative in this field will take the lead of high technology in the future, and get great chance in the growing market
數字電視( digitaltv )技術是當今世界上最先進的圖象壓縮編碼技術和數字通信技術的結合,是當今世界高技術競爭的焦點之一,掌握了這一技術就可能搶佔到未來電子技術的制高點,控制新一代電子產品的市場,搶占商機。According to this requirement, the railway mobile digital communication system based on the gsm system for mobile communication is put forward in this paper to accomplish the data transfer between the control center and the locomotive. in this paper, the design of the ms ( the mobile station ) and the erected bs ( the base station ) out of the gsm cover is carried out. last we discuss the key techniques of the railway mobile digital communication system, the handoff and the error _ correct coding
本文針對這種要求,在gsm移動通信系統的基礎上提出了建立電力機車移動數字通信網以實現機車與控制中心之間的數據傳輸的方案,設計了系統中車載移動臺、 gsm覆蓋區外自建基站的基本構造,分析了系統中越區切換、糾錯編碼等關鍵技術,並詳細的闡述了其實現方法。On the basis of confirming the plan of the whole design, the technique of modern digital communication, computer and electronic technique are supplied to design the hardware of the large - scale telephone line expander and program the software, also the debugged and the tested experiment are done
在確定總體設計方案的基礎上,本文採用現代數字通信技術、計算機技術、電子技術研製了大規模電話線路擴容器的硬體,編制了相應的運行軟體,並進行了調試和試運行試驗。They are the signal gathering subsystem, the data communication subsystem, the monitoring center subsystem, the computer monitoring subsystem, the database analyzed and inquired subsystem
包括:信號採集子系統、數字通信子系統、調度中心監控子系統、計算機監控子系統和數據庫查詢分析子系統。For current misoperation cause of microcomputer relay protection, the paper introduces the technology of scattered arrangement protection to improve anti - inteferance ability, the usage of computer digital communication technology to enhance fault diagnostic function of micro computer protection device and outside circuit and decrease bad contact of contactor and terminal which may cause ralay misoperation, establishment of electrical protection remote management network to realize maintenance under condition
針對目前微機保護不正確動作的原因,提出了採用保護分散布置技術,提高抗干擾能力;應用計算機數字通信技術,增強微機保護裝置及外聯迴路的故障診斷功能及減少接點和端子接觸不良引起的保護不正確動作因素;建立電網保護管理遠程網路,實現「狀態維修」 。Based on modern digital communication technology we gave a solution scheme on uav communication. we pointed out three critical techniques, which will be discussed in latter parts
第一章分析了無人機通信的特點和需求,結合現代數字通信的新技術,給出了無人機超視距通信的方案,提出了值得研究的三個關鍵技術。New material for the second edition includes : kinetic energy ; temperature and resistance ; sawtooth waveform ; fundamentals of digital communication and data transmission ; industrial processes ; cells and batteries ; wind and solar power ; cds, dvds, mobile phones ; and the latest led technology
新材料為第二版,包括:動能;溫度和阻力;鋸齒波形;基本面數字通信和數據傳輸;工業過程;電池;風能和太陽能發電;光碟,光碟,手機;以及最新的技術主導。This thesis takes full advantage of modern communication technology, computer technology and electronic technology. it realizes the purpose of designation. fortunately, i have learned much useful knowledge and have made a progress of my study through write the thesis
本公共廣播系統的設計,充分利用了現代數字通信技術、計算機技術和電子技術,從功能上和技術上實現了數字化智能型公共廣播系統的設計,達到了廠方的要求,本人也得到了極大的提高。The modern digital communications technology, especially the rapid development of the mobile communications technology, computer technology and satellite communicationss technology, supports the adoption of the more advanced and effective communications mode to realize the control of all kinds of traffic with favorable technical condition. in the technical scheme of the new communications, navigation, inspection and traffic control, the operation is based on the establishment of a modern communications network
現代數字通信技術,特別是移動通信技術、計算機技術和衛星通信技術的迅猛發展,為採用更先進有效的通信方式實現科學的交通管理提供了有利的技術條件。在新的通信、導航、監視和交通管理的技術方案中,運作的基礎是建立一個新型的通信網路。Some critical coding and modulation techniques in uav communication have been discussed in this thesis, including differential phase keying ( dpsk ), modulation multiple symbol detection ( msd ), adaptive trellis coded modulation ( atcm ), and space - time coding. this work was supported by the national defense 973 project. uav communication has many sophisticated technologies
本論文在國防973項目「無人機信息傳輸理論與方法研究」的資助下,結合現代數字通信領域的新技術,根據無人機通信的特點和需求,對其中的幾項關鍵技術做了深入研究。The constant modulus algorithm ( cma ) is the most widely used algorithm in digital communication systems due to its simplicity and robustness. in this paper we analysis the inherent limitation of cma which lead to a tradeoff between convergence rate and misadjustment, and propose several variable step size cma by putting variable step - size theories into cma. the convergence performance of the proposed algorithms is illustrated by computer simulations
本文對數字通信系統中廣泛應用的bussgang類盲均衡演算法? ?恆模演算法( cma )進行了深入研究,分析了制約其性能進一步提高的因素,將變步長理論應用於恆模演算法,提出了一系列恆模改進演算法,並通過計算機模擬對改進演算法的收斂性能進行了驗證。In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense
本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶數字通信系統,在加性高斯白噪聲通道中,通過研究這個非線性接收器的性能,發現了數字信號傳輸中存在的參數調節隨機共振現象?通道容量隨著系統響應速度的增加具有一個共振峰值,並對這種非線性現象發生的基本機理進行了解釋。To attract advanced technology and equipment, develop new products and focus on developing microeletronics, pc and civil - pur - pose electrical appliances, satellite telecommunication equipment, digi - tal telecommunication multimedia, integrated circuit, electronic mea - suring instrument, new type electric components, sensors, etc
引進先進技術和設備,開發新產品,重點發展微電子產業、個人計算機、民用電器、衛星通訊設備、數字通信多媒體系統、集成電路、電子測量儀器、新型電子元器件、傳感器等。The present dissertation is based on an automation revamping project in which the latest fieldbus control system ( fcs ) and control network techniques of mitsubishi electric are adopted, in a paint - coating workshop of chang ' an automobile company, chongqing
作為近年來國際上迅速發展起來的、備受關注的控制網路新技術,現場總線是一種應用於生產現場、在微機化測量控制設備之間實現開放式、雙向串列多節點數字通信的底層控制網路。分享友人