線路轉接技術 的英文怎麼說

中文拼音 [xiànzhuǎnjiēshù]
線路轉接技術 英文
line switching technique
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 轉構詞成分。
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 轉接 : change-over; throw-over; switch; transfer; transit; reset; adapter coupling; built-up connection
  1. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總,組建了裝置主機與多探測器之間的主從式通訊網,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電,採用磁感應的方法實現了對空間微弱信號的收;利用fpga,實現了控制器與多外設的介面及數字信號的串並換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  2. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括:通信協議換邏輯的功能分析和設計需求;通信協議換邏輯上行方向的系統分析及體系結構設計,包括上行收狀態機、發送狀態機、信元內位元組位置調整機制等的設計;通信協議換邏輯上行方向的速設計,主要是上行收的速設計,要使用流水設計;提出了高速實現roundrobin調度策略的實現方法,並設計實現了桶式移位器和優先級編碼電;應用bfm模擬模型設計了上行處理各模塊的模擬testbench ,完成了各級模塊的模塊模擬和系統集成模擬。
  3. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速的發展概況,在回顧電梯液壓控制系統節能的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣、計算機控制及數據採集系統的硬體設計等內容。
  4. The contact freeform surface meaurement system the authors are developing is introduced in this paper, it is the application of cmm in the reverse engineering of part. the components of its software and hardware are analyed. under the circumstances of cad modelis unknown, somecirtical problems are studied such as the measurement points adaptive localization, the measurement path, layout and measurement data disoposal etc. based on measuring the curved surface of the cam, the scaning software have be designed in measuring the curved surface in cmm. the cmm ' s data can transfer to cad / cam system

    分析了其軟硬體的組成,並對在cad模型未知的情況下,測量系統軟體中的一些關鍵,如測點的自適應分佈、測量徑的規劃和測量數據的處理方法等作了研究。並以凸輪輪廓曲為例,編制了相應的曲面輪廓掃描軟體,並使三坐標測量機的測量數據換為cad cam能受的圖形信息格式。
  5. The solution is that we design a target machine, and translate the source codes into the target machine codes by program translation, then generate the assembly codes from the target machine codes, assemble and link the assembly codes into exe file, at last execute the exe file to get the result of program

    在實現方面,提出了編譯lfc的,設計一個目標抽象機,通過程序翻譯的方法將源程序翻譯為目標抽象機代碼,然後再將抽象機代碼換為匯編代碼,匯編裝配連執行。
  6. Millions. at present, these are more than 500 employees in our company ( including over 10 medium & high grade managerial personnel ), and it occupies over 5, 000m2, which is an enterprise specilized in the production of jacks, merging managerial modernization, marketing globalization, intelligent office operation and comprising manufacturing, sales, technical development and design into the whole. now we have telephone jack, computer jack, ft2 clipped connection module, telephone wall module jack, net exchanger, rj11 and rj45 connector and so on over 200 products

    管理人員數十人,工廠佔地面積5 , 000平方米,是一家管理現代化,產品營銷全球化,辦公操作智能化以及集開發、設計、生產、銷售於一體的專業插件生產企業。公司現有電話、電腦插座、通訊卡模塊、電話盒、網換器及rj11 、 rj45連頭等200多種產品。
  7. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直矩控制的缺陷和未來直矩控制發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思? ?利用基於bp網增廣pidbp學習演算法來實時在地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直矩控制系統的實驗裝置; ( 4 )提出了基於sercos總化分散式的直矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  8. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    用探地雷達是近幾年發展起來的、應用於公無損檢測的一項新,它利用超寬帶脈沖電磁波對面結構層進行探測,當雷達發射天發射的電磁波在面結構層中傳播時會在介電特性突變處產生反射和透射,反射回來的波經由收天收並化為數字信號儲存起來,通過分析探地雷達回波信號來估計面結構層的性質、狀態和位置等特徵。
  9. In terms of efficiency in energy consumption, traveling among planets in straight lines not from desirable. today, space probes customarily make use of hohmann transfer orbits and gravity assists in their interplanetary endeavours. this method, though still quite costly, does help to save fuel to a certain extent

    在太陽系的行星中穿梭,直航行並非理想的,現在的探測船均使用赫曼移軌道以太陽為焦點連行星的橢圓軌道,再配合行星推助的航行探測船經過行星時偷取行星的能量加速或減速。
  10. Some scheduling optimization problems of logistics distribution center such as order - picking for multi - level carousel with two server order - picking for fixed shelves and vehicle scheduling for distribution traffic are indicated

    著對與配送中心有關的部分優化?雙揀選臺水平旋貨架揀選徑的優化、固定貨架揀選徑的優化、車輛運輸的優化作了詳細闡述。
  11. Information technology - international standardized profile ra - relaying the connectionless - mode network service - definition of profile ra51. 1121, relaying the connectionless - mode network service between csma cd lan subnetworks and psdns using virtual calls over a digital data circuit csdn leased line permanent access

    信息.國際標準華輪廓ra .無連方式的網服務.第9部分: ra51 . 1121輪廓的定義.數字數據電csdn租用的固定訪問的虛擬呼叫csma cd lan子網與psdns間的無連方式的網服務
  12. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的和新的電子器件來重新設計該計數器模塊:採用最新的fpga來提高數字電的集成度,將原模塊中的所有數字電全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用換速率更高的比較器晶元將輸入的被測信號換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a換晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。
  13. After the researching of scxi bus and the manufacturing of connecting circuits, the project was realized. the paper researched and realized the synchronization among channels and the model calibration of virtue instrument, too

    針對實際測試中的信號調理和使用需求,提出了系統的程式控制方案,通過研究scxi總,研製相應的,使遠端調理的程式控制方案得以實現。
  14. Among the effective methods to mitigate the fading in wireless communications is transmit diversity, which can utilize the space diversity of transmit antennae to generate the receive diversity and improve the performance of the forward link

    發送分集是對抗無通道衰落的重要手段,它能將發送天的空間分集化為收機可以利用的分集方式,以改善前向鏈的性能。
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