自動轉換電路 的英文怎麼說

中文拼音 [zìdòngzhuǎnhuàndiànlù]
自動轉換電路 英文
automatic-transfer circuit
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 轉 : 轉構詞成分。
  • 換 : 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
  • 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...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 自動 : 1 （自己主動） voluntarily; of one s own accord 2 （不憑借人為的力量） automatic; spontaneous 3 ...
  • 轉換 : change; transform; convert; switch
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning

    與原有的兩次采樣a / d轉換器相比，用數字電路實現數字反饋可不用技術復雜、價格昂貴的高準確度d / a轉換器，具有集成度高、準確度高、適用性強、價格低等優點，可廣泛應用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。
  2. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。
  3. 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、通信及網路技術的發展，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嵌入式網路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、在線監測系統、嵌入式web 、網路協議轉換、智能儀器儀表等眾多工業領域。
  4. 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轉換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；設計了量程自動切換電路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線擬和以降低測量的系統誤差。
  5. 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總線有很多優點，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總線的速度上限已成為高速a / d轉換器與主機間的瓶頸； isa總線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總線的介面電路。
  6. Interface circuits include auto - routing, load switch, polarity - reverting signal inverting and on - off hook checking

    埠電路包括自動路由切換，負載轉換，反極跳轉，摘掛機檢測等部分。
  7. Many protective and monitoring functions are integrated in the system, such as earth - fault monitoring, short circuit protection, over - load protection, phase symm etry and phase loss monitoring, over voltage protection, under voltage protection, motor thermal monitoring and so on

    該系統能自動轉換控制方式，具有漏電、短路、過載、斷相、欠壓、過壓等保護功能，並且能通過漢字顯示終端顯示各路負荷的工作狀態和工作參數。
  8. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  9. The resistance furnace microcomputer automatic procedure temperaturecontrol system is rises, the temperature decrease speed and thesoaking time through the monolithic integrated circuit to the heatingfurnace carries on the strict control the installment, it changes thetemperature delivers, the demonstration and the numerical controlcollection to a body, take the microcomputer control as thefoundation, take the a / d switch as the core, and matches by thesuitable periphery connection electric circuit, realizes to theresistance furnace temperature automatic control

    電阻爐微機自動程序溫度控制系統就是通過單片機對加熱爐的升、降溫速率和保溫時間進行嚴格控制的裝置，它將溫度變送、顯示和數字控制集於一體，以微機控制為基礎，以a / d轉換器為核心，並配以適當的外圍介面電路，實現對電阻爐溫度自動控制。
  10. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  11. Power integrated circuits ( pic ' s ) have been developed for applications including : power converters, motor controllers, fluorescent lighting ballasts, automotive switching, video amplifiers, bridge circuit drivers, display drivers, etc

    功率集成電路簡稱pic ，它被廣泛應用於包括功率轉換器、馬達控制、熒光燈整流器、自動開關、視頻放大器、橋式驅動電路以及顯示驅動等多個領域。
  12. The thesis finished a sample instrument used in measurement node. it is based on 8 - bit micro controller unit and has smart functions including auto calibration, auto scale change and auto balance of whetstone bridge. the data can be processed, stored, transferred and displayed in the sample device

    本文完成了測試系統中基於16位微處理器的網關的硬體架構和軟體實時多任務內核的設計；研製了基於8位微處理器的具有自校正、自動量程轉換及測試電橋的自動調平功能的測試節點樣機；實現了測試節點的數據處理、存儲、顯示和傳送；繪制並編寫了測試節點的硬體電路圖和軟體源程序。
  13. It is mostly used at night to arouse the driver ' s watchfulness. the style is novel and the sign is bright. it can also economize electricity effectively. it will cut off electricity automatically when it is stroken

    晚上提醒駕駛員注意道路轉彎處的情況，燈箱款式新穎，美觀醒目，內置高強度燈光照明，標志鮮明，能有效地提高道路安全效率；在受到撞擊后，外殼不易損傷，且能自動切斷電源，安全防漏電，安裝更換燈管簡捷方便。
  14. Aiming at the need of agility of switching in the data communication system, we design the switching matrix net which used analog switching integrate circuit

    針對數據通信系統中線路自動控制及靈活轉接的需要，設計了採用模擬開關陣列集成電路的級連，來構成交換矩陣網路。
  15. The charge pump automatically switches between 1x / 1. 5x modes based on the input voltage, to maintain correct output levels at a high power efficiency. the led driver regulates the current of leds to a value configured by the outside control signal. the four led output channels are current matched for consistent led brightness

    電荷泵電路的功能是根據輸入電壓自動選擇1 . 5x或者1x電荷泵工作模式並輸出相應電壓信號，有較高的功率轉換效率;電流控制電路的功能是實現幾個並聯led通道的電流匹配並根據外加輸入信號控制led電流的大小。
  16. The real - time automatic gain control makes full use of the delay feature of signal channel, and controls the synchronization of adc precisely, and adjusts the signal gain in real - time, and compensates the error in digital domain, at last, this kind of technology expands the dynamic range of system adc

    採用的實時自動增益控制電路利用信號通路的延遲特性，精確控制模數轉換器同步，實時調整信號增益，在數字域補償誤差，擴展系統動態范圍。
  17. Many protective and monitoring functions are integrated in the system, such as pilot circuit monitoring, earth - fault monitoring, short circuit protection, over - load protection, phase symmetry and phase loss monitoring, over voltage protection, under voltage protection, motor thermal monitoring and so on. all measuring results, fault states, fault parameters and error messages of six motors controlled by the sys tem are sent to the liquid crystal display module via the existing serial data connection

    該系統能自動轉換控制方式，具有漏電、短路、過載、斷相、欠壓、過壓、過熱等保護功能，通過觸摸式液晶顯示系統，不僅能顯示各路負荷的工作狀態和工作參數，而且能記憶其故障狀態和故障參數。
  18. The signal handling and analyzing unit dispose of the sensor ' s output signal by amplifying, plasticisering, a / d transforming and measuring, then displays it digitally. at the same time, power speech alarm system and speech alarm system, speech alarm system will give alarm, and control the related equipment if it is necessary

    信號處理單元對傳感器輸出的信號進行放大、整形、 a / d轉換和測量等處理，並進行數字顯示，同時接通語音報警系統電路，語音報警系統進行相應的預警和報警，在必要時對相關設備進行自動控制。
  19. Design and make the blood pressure and artery stiffness appartus, including the design of filter, amplifier, adc, memorizer circuit, lcd circuit, communication interface circuit, power supply, etc. research the blood pressure arithmetics and bring forward a new blood pressure judging method based on existing oscillometric technique

    該儀器硬體電路以at89c55單片機為核心，包括信號採集處理電路、 a / d轉換電路、存儲器擴展電路、液晶顯示電路、自動充放氣電路、串列通信電路、鍵盤電路等幾大部分。
  20. Digitalstromkreis haben eine grenze. w ? hrend man die industrieautomation erreicht, sind viele signale analoge signale. man mu ? die digital - analog umwanden, um digitalstromkreis dieses （ analoges signal ） zu verarbeiten

    數字電路有局限性。因為在實現工業自動化過程中，很多信號都是模擬信號，為了用數字電路處理這些模擬信號，必須模數轉換。
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