線路轉換 的英文怎麼說

中文拼音 [xiànzhuǎnhuàn]
線路轉換 英文
line switching
  • : 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。
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 轉換 : change; transform; convert; switch
  1. This is a computerised voice communication system between pilots and air traffic controllers, and between air traffic control positions in the air traffic control centre, aerodrome control tower, rescue coordination centre and aeromobile centre by using pre - set switching and distribution of various aeronautical frequencies and direct communication lines. the new computerised system will enhance the overall efficiency in communications

    讓機師與管制員之間,或航空交通管制中心、指揮塔、援救協調中心和航空通訊中心內各不同管制崗位之間,能用預先設定的系統作直接通話,包括可和發布的航空通訊頻道和直接通訊等。
  2. According to the application background and the dismatch between single antenna and differential lna, an active balun is needed and has been designed. then we put forward a design scheme that does co - simulation of an active balun and a differential lna on one chip together. at 2. 45ghz, this lna provides a forward gain of 28. 931db with a noise figure of 2. 485db, while drawing 19. 1ma from a 1. 8v supply

    從本設計的應用背景出發,考慮到單端天與差分lna之間的不匹配性,設計了一個介於兩者之間的有源平衡? balun ( balance - unbalunce ) ,並提出了將這個balun電與前面設計的差分lna作為一個整體進行了模擬的設計方案。
  3. If an induction resolver is used then some electronic circuitry will be required to convert the resolver outputs to d. c. signals.

    假如採用感應式分解器,那麼就需要採用某種電子來把分解器的輸出成直流信號。
  4. Being the complexity of the industrial ethernet technology, at present it still be in its first phase of development, and it has several different forms. compare with other forms, the traditional multi - protocal converting form has the simplest realization. it is realized by gateway or agent server to transform information between ethernet and field bus, actually to be a sort of realization that the network is comparted into different layers

    由於工業以太網技術的復雜性,目前還處于起步階段,有多種組網形式。相對來說傳統的跨協議方法實現最簡單,它通過網關或代理服務器進行以太網與現場總的信息,實際上是一種分層網的實現機制。
  5. The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph

    其中,地形圖輸入與維護實現了數字地圖的格式、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相問題;錄象播放將錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與正射圖像瀏覽、圖幅拼接等功能。
  6. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平、 dsp工作電源校正電和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。
  7. At the same time the effection of some important recombinations are discussed and the relation of photoconduction versus time is given. in chapter 4, auston circuit, blumlein pulse forming line, multiplier of pulse forming line are introduced and give their differentiates

    在第四章中,分析各種以光導開關為核心器件的電脈沖成形電: auston電、 blumlein脈沖成形、層疊倍壓器,對其輸出效率進行比較,並進行實驗研究。
  8. In the part of detector, it mainly introduces the design of liquor tubes, heater, pressurize, and thermocouple ; in the part of controller, this design uses tms320lf2407 as the cpu. the design part mainly introduces controller circuit design which mainly contains data collection circuit, prepositive magnifying circuit, a / d convert circuit, failure self - diagnosis circuit, the tms320lf2407 interface circuit, temperature control circuit, display circuit, 4 ~ 20ma standard signal output circuit ; in the software part, it mainly introduces software chart of main program and partly linearization subprogram design

    檢測器部分重點介紹了導流管的設計、加熱器的設計、密封技術的設計以及測溫電的設計;控制器部分以tms320lf2407為核心,重點介紹了控制器電設計,主要包括數據選擇電、前置放大電、 a / d、故障自診斷電、 tms320lf2407介面電、控溫電、顯示電、 4 20ma標準信號輸出電共八個部分;軟體設計重點介紹了主程序軟體設計及分段性化子程序設計。
  9. The error of hall element is analysed and the compensative method is provided ; this paper makes the theoretical analysis of errors producing by the instrument amplifier and a / d converter. we adopt the technology of digital filter and linearization implementing by the neural network method

    對霍爾元件的誤差進行分析並給出補償方法;對儀表放大器和a d器引起的誤差進行了理論分析;採用了數字濾波技術和採用神經網方法實現的非性校正技術進行軟體補償。
  10. The hardware has two input channels of high - speed analog signal, with the signal amplitude of 0 - 5v, the conversion precision of 12bits, and the maximum sampling rate of 400ksps. this system includes 4 dsps ( adsp 2181 ), which can be arranged as a pipe line processing array. many algorithms can be realized in this system

    系統硬體有兩模擬數據採集通道,模擬信號輸入范圍為0 ? 5v ,精度為12位,最高采樣率400ksps ;系統包含4片dsp ( adsp2181 )構成的流水型的處理陣列,可用於實現各種演算法;系統的控制邏輯由fpga完成。
  11. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子模擬軟體pspice中進行了mosfet開關電以及典型dc dc模擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對模擬曲進行擬合,計算出相應的能量數據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c效率的器件輸出電容cob優化曲
  12. The power output from the engine goes through : front / back switch mechanism - > driving pulley - > metal belt - > driven pulley - > clutch

    輸出功率從發動機經下列輸出:前後機械開關- >驅動滑輪- >金屬帶- >從動輪- >離合器。
  13. From the paper, it can be concluded that it is necessary to make many intellectual electronic equipments access the internet in the new era, with the development of the computer, communication and the network technique, and the embedded network platform based on the advanced x86 microcontroller has the characteristics of simplity, clarity and high - adaptability in the applications, it can be widely applied to many industrial fields such as power automation, communication terminal, monitoring and measuring system on line, embedded web, network protocol transformation, intellectual instruments etc

    縱觀全文,得出如下結論:隨著計算機、通信及網技術的發展,實現大量智能電子設備與internet的結合,即電子設備web化是信息時代的新趨勢。基於本文方案構建的高端x86嵌入式網平臺具有應用開發簡單快速、靈活適應的特點,可廣泛應用於電力自動化及各種電氣測控設備、通訊終端、在監測系統、嵌入式web 、網協議、智能儀器儀表等眾多工業領域。
  14. 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總技術,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接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並;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。
  15. A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits

    通過分析6kv電纜絕緣監視保護的特點,提出了在高壓電纜監視與接地之間附加直流電源並利用v / f實現監視保護的新方法,設計了相應的電
  16. To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error

    鋁電解生產現場電磁干擾非常嚴重,為此我們將需要測量的模擬信號就近為頻率脈沖后再傳送到控制核心;採用浮地接入方式消除槽電壓信號中的共模成分;設計了量程自動切以解決槽電壓的動態范圍寬和測量精度高的矛盾;用最小二乘法進行曲擬和以降低測量的系統誤差。
  17. The speed of isa bus has become the bottleneck between high a / d converters where requests very high speed. isa bus interface card ca n ' t configure resource automatically. there will be no place for isa bus after the vanish of isa slots on computer mainboard

    Isa總有很多優點,但在某些方面已逐漸顯出不足:在一些速度要求高的場合, isa總的速度上限已成為高速a / d器與主機間的瓶頸; isa總介面卡無法實現資源的自動配置;以及計算機主板的isa插槽在逐漸的消失,所以本文又提出設計基於pci總的介面電
  18. 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技術開發、設計、生產、銷售於一體的專業接插件生產企業。公司現有電話、電腦插座、通訊卡接模塊、電話接盒、網器及rj11 、 rj45連接頭等200多種產品。
  19. 17 what is a major advantage of circuit - switched networks over packet - switched networks

    題目的意思是說從變為包交的好處是什麼?
  20. Telecommunication - digital subscriber signalling system number 1 - layer 3 signalling specification for circuit - switched bearer services

    電信.第1號數字用戶信號系統.線路轉換載體服務的第3層信令規范
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