電信與運輸 的英文怎麼說

中文拼音 [diànxìnyǔyùnshū]
電信與運輸 英文
telecommunications and transport
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 電信 : electric（al） communication; telecommunication; telegraphy; traffic; telecom電信電纜 communicati...
  • 運輸 : transport; carriage; conveyance; traffic; transportation
  1. Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced

    文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹
  2. In the brief introduction to geographical information system ( gis ), this dissertation proves that by combining reliable management with gis technology, presents a method which built the power structure model and math calculation model by using spatial data in a good interface between computer and user. this dissertation makes a number of target for calculating the distribution system, mainly aimed at circumstances which have an effect on power station repair, switch breaker, type of t connection, and double lines supply via the usage of system reliability calculation. at the same time, it provides the projected estimatio n when power station or transmission line will be added into the power system, and furnishes the theoretical information that the professional needs for power structure programming, design and equipment management

    通過建立輸變電設施管理信息系統（ mis ） ，真實地反映出油田電網輸變電設施的運行管理現狀，為網路可靠性計算提供可靠的計算依據；在簡述地理信息系統（ gis ）技術的基礎上，論證了可靠性管理與電力gis技術結合的可能性，創立了在簡潔的人機圖形界面下利用空間數據建立網路結構模型及可靠性計算模型的方法；通過建立網路可靠性計算系統，進行了計及變電所檢修影響、切換開關、 t接點及雙回線供電情況下的可靠性指標計算分析，對油田電網及變電所（線路）的改（擴）建方案、增強性措施及接入系統的可靠性給予了工程評估，為電網規劃、設計及日常的設備管理提供分析決策依據。
  3. D / a conversion chip and isolation amplifiers are used to obtain the comparative levels required by isolation channels, which could be set with actual requirement ; it can enhance flexibility of the module. otherwise, four - channel isolation signal sources are exported using d / a conversion chip and isolation amplifiers as well

    另外還利用d / a轉換晶元和隔離運算放大器輸出四路隔離信號源，該隔離信號源能與隔離比較電平通過繼電器進行程式控制切換，這樣擴展了該計數器模塊的功能。
  4. The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function

    系統採用單片機控制技術，完成所控制電動機的控制功能，並對所控制電動機的電壓、電流等信號進行檢測、計算、判斷和處理，實現短路、斷相、過載、欠壓、過壓、過熱、漏電閉鎖等保護功能，並提供本質安全型輸入、輸出介面，能與煤礦井下監測監控系統聯網運行。
  5. Once fortune shipping center confirms product and shipping related information upon receiving pick - up order by our clients ; then arrange e - waste materials be shipped to local fortune group storage or directly ship them to fortune processing center

    富勤貨運中心收到客戶提貨通知后，負責確認貨物情況等與運輸有關的信息，由貨運中心安排將待處理的報廢電子物料運輸到當地的富勤倉庫或直接運至富勤處理加工中心
  6. In early 2000, beijing telecom tested interworking of the stm - 1 ports of ericsson s axe10, shanghai bell s p3s and huawei s cc08 with the transmission equipment and their connectivity with the communication network in operation, and successfully introduced stm - 1 equipment between the tandem exchanges and between some end exchanges and exchanges. besides, it cut over dozens of stm - 1 paths

    2000年初，北京電信對愛立信的axe10 、上海貝爾p3s和華為cc08交換機的stm 1埠直接與傳輸設備進行互通測試，與運行的通信網路相連測試，並成功地在匯接局間和部分電話端局交換局之間引入stm 1介面設備，並開通了幾十條stm 1通路。
  7. The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed

    視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理，設計了浮動閾值二值化處理電路，採用兩路計數器對輸出脈沖信號采樣計數，最後送入微處理器進行運算處理，可實現測量值的儲存、顯示等，並設計了與上位機的通訊介面。
  8. 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。
  9. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。
  10. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  11. In the application of pmos - 2000 system, the author carried out a hybrid encryption protocol with is suitable for information security transmission in electricity market with des, rsa and md5. with the pattern characteristics of pmos - 2000 power market operator system, and analyzed and compared with other encryption system, the author puts forward an implementing method, operational process and system structure of information encryption technology used in pmos - 2000, and the operating effects and projects which need further research and discussion were finally given. the research of this dissertation applied information security technology in power system project, which made it possible for information security transmission

    在pmos ? 2000系統的應用中，作者利用des對稱加密演算法、 rsa非對稱加密演算法、 md5數字簽名演算法實現了一套適合電力市場信息安全傳輸的混合加密體制，結合了pmos ? 2000發電市場技術支持系統的模式特點，通過與別的加密體制的分析比較，把混合加密體制應用於pmos ? 2000系統之上，並提出了這套加密系統在pmos ? 2000電力市場技術支持系統中的實現方法、運作過程和系統體系結構，最後給出了它的運行效果以及進一步可研究和探討的方案。
  12. The courses include politics, chinese, mathematics, english, information technology and application, physical education and health care, art appreciation, preliminary accounting, management of transport enterprises, overview of logistics, financial management, the basis of economic laws, storage and transport, accounting computerization, international trade practice, customs operation, accounting simulation, etc

    開設有政治、語文、數學、英語、信息技術與應用、體育與保健、藝術欣賞、基礎會計、運輸企業管理、物流學概論、統計學原理、成本會計、財政與稅收、辦公自動化、運輸企業會計、財務管理、經濟法基礎、倉儲與運輸、會計電算化、國際貿易實務、報關實務、會計模擬等課程。
  13. With the advantages of high gain and output power, low noise, wide bandwidth as well as no relation with polarization, edfa changes the traditional optical - electrical - optical relay mode step by step in many fields, and becomes an indispensable device in modern optical communication systems. it saves the expensive cost in optical - electrical transition, makes equipment easy to operate and maintain

    由於其本身具有高增益、高輸出功率、低噪聲、帶寬寬、與偏振無關等優點，在很多領域和場合， edfa正逐步取代傳統的光-電-光中繼模式，省去光電/電光轉換的昂貴成本，便於設備的運行維護，成為現代光纖通信系統中不可缺少的關鍵部件。
  14. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  15. The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer

    該測試儀以dds晶元ad9954為核心構成掃頻信號源電路，以增益相位檢測器ad8302為核心構成檢測電路，以dsp晶元tms320vc5409為核心構成控制與運算電路，以及以at89s52為核心構成外圍介面電路。該測試儀能產生頻率范圍達100k ~ 100mhz ，功率范圍為- 45dbm ~ + 18dbm的掃頻信號，能對被測網路的頻率特性進行測量，並留有豐富的外圍介面，可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。
  16. Prospect teli - monitering system for elevator is prospect s new product. it has confirmed by experts on elevator as high technology products. through photo - electric isolation part, it connects the control circuit and sensors on elevator to collect, analyse the real - time status data

    該產品通過光電隔離與電路控制系統及傳感器連接，由電梯故障信息採集分析儀實時採集電梯的運行狀態和有關數據，並對採集到的電梯信號進行邏輯判斷，發現故障，將相關數據傳輸中繼器。
  17. As single source supplier and system integrator, it combines in its transportation systems business seg - ments automation & power, rolling stock, turnkey systems and integrated services all the expertise neces - sary to cover the spectrum from signaling and control systems to traction power supplies, as well as rolling stock for mass transit, regional and main line services

    作為全套系統供應商和系統集成商，西門子交通技術集團的四大業務部門? ?自動化與供電，機車車輛，交鑰匙系統和綜合服務，其產品范圍涵蓋了從信號與控制系統到牽引供電，以及城軌、市郊和鐵路干線運輸車輛的各個領域。
  18. As most of the transport data are geographically related, geographic information system ( gis ) is the most suitable technology for storing, analysing and displaying transport information. it can integrate maps with databases, digital drawings, photographs and so on for visual display and analysis

    由於許多交通資訊都與地理位置有關，地理信息系統最適宜用來發展能夠同時處理電子地圖、數據庫、圖則、相片等資料的運輸資訊系統。
  19. This would, he insisted, enable telecom italia to focus on its broadband internet business and, in particular, the delivery of television services over broadband connections ? a new market into which telecom italia is advancing, along with other incumbent telecoms operators around the world

    這將使義大利電信專注于其寬帶網際網路業務尤其是通過寬帶傳輸的電視服務? ?義大利電信與當前全球范圍內其他電信運營商正向該新興市場挺進。
  20. This logistics center is the first logistics center invested by nanjing government. this information platform will integrate the third part ' s logistics resource to supply many kinds of service for clients such as transporting, warehouse, distributing, and information. so they can combine international logistics, national logistics and e - commerce to make this logistics center become a e - commerce type logistics park

    王家灣物流中心是南京市政府投資興建的第一個物流中心，它的信息平臺對第三方物流資源加以系統整合，為客戶提供物流系統中的運輸、倉儲、加工、裝卸、配送及信息服務，將國內物流、國際物流與電子商務結合起來，成為南京市電子商務型綜合物流園區。
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