測點轉換器 的英文怎麼說

中文拼音 [cèdiǎnzhuǎnhuànqì]
測點轉換器 英文
measuring point selector
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 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
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 轉換器 : -ad
  • 轉換 : change; transform; convert; switch
  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. 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路的設計;控制器部分以tms320lf2407為核心，重點介紹了控制器電路設計，主要包括數據選擇電路、前置放大電路、 a / d轉換電路、故障自診斷電路、 tms320lf2407介面電路、控溫電路、顯示電路、 4 20ma標準信號輸出電路共八個部分;軟體設計重點介紹了主程序軟體設計及分段線性化子程序設計。
  3. According to the characters of the vibration of internal combustion engine and on bases of the theory of active vibrantion control which is carefully analyzed, the corresponding mathematical model suitable for the vibration of internal combustion engine is developed and the fuzzy control techniques are adopted. a new active vibration control system is developed w hich conclude mcu, the key part, and the equipment used to survey the vibrative acceleration of internal combustion engine

    本文根據內燃機振動的具體特點，在仔細分析了振動主動控制原理的基礎上，建立了適合內燃機整機振動的數學模型和採用了模糊控制方法，提出了一種新的內燃機整機振動主動控制減振系統，該系統以微控制器為核心，配以測加速度和控制機電轉換執行機構組成。
  4. The synchro / resolver signal transmit & receive card is the most important and difficult part which used special a / d and d / a ( axis angle converter ) to make conversion between the analog singnals related to angle and its digital counterpart, thus solve the issue of stimulation and test of synchro / resolver signal ， improved the test precision and automatic degree

    其中同步器卡的開發是難點和重點，它採用特殊的數/模、模/數轉換器件?軸角轉換器，實現了角位-數字信號相互間的直接轉換，解決了隨動系統性能檢測中三相同步器信號激勵與同步器信號/分解器信號數字化檢測問題，有效提高了系統的自動化程度和檢測精度。
  5. 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。
  6. 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。
  7. The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program

    本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。
  8. Efforts are concentrated on how to improve the performances of the synchronous and velocity sensor of high speed rotating mirror camera, creative ideas in this paper are displayed as follows. ( 1 ) high speed rotating mirror camera signal is processed by means of opto - electronic system. the advantages of the opto - electronic system, such as good emi resistance and fast processing ability, are employed to optimize the design

    本文的工作就是圍繞如何提高高速轉鏡相機同步與轉速傳感器的性能開展的，主要工作內容和創新點如下: （ 1 ）利用光電系統對高速轉鏡相機同步與速度傳感信號進行處理本文利用光電傳感系統的抗電磁干擾及可高速處理的特性，把高速旋轉狀態下反射鏡的時間參量轉換為光信號，再經過光探測器轉換為電信號。
  9. The operational principle of the measurement instrument is introduced, the circuit and characteristic of the integrated single channel pulse height analyzer and those of high performance adc are analyzed, and the measured real - time curves of liquid level and foam height are discussed

    介紹了該測量儀的工作原理，分析了高速集成單道幅度分析器和高性能a / d轉換器的電路及特點，討論了液位曲線和泡沫高度曲線。
  10. 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。
  11. The dissertation discusses about field multi - channel nuclear data collecting system based on mcu in detail. the data collecting system adopts mcu ( micro - control units ) at89c55 as controlling core, applying high speed and low power adcs ( analog - to - digital converters ) cmos chip max 191 and 320x240 matrix graphic lcd ( liquid crystal display )

    該系統在硬體上以單片機at89c55為控制核心，以高速低功耗的a d晶元max191作為多道脈沖幅度分析器的模數轉換器件，以320 240點陣圖形液晶顯示屏作為系統的顯示器，根據初步的性能測試，系統已經達到預期的設計目標。
  12. The programs of system are written with assemble language. in order to resolve the problem of signal jammed, not only we used hardware ( photo couplers, watchdog, special parts, etc. ), but also used some arithmetic ( average, wavelet, etc. ). after analyzing the deficiency of the popular mechanical instrument in motorcycle, this paper focuses on researching and designing the digital instrument. the developing work of ( the research of the led digital multi - parameters instrument in motorcycle ) has been finished and is being commercializing packaged

    我們採用了專用的a / d轉換器作為模擬量的測量，採用光耦器件作為車速、發動機轉速信號的輸入，採用高亮度的led器件作為在強光下顯示器件，採用兩個獨立的微處理器以提高系統的可靠性，採用模擬條和數碼管同時顯示以符合駕駛人員的習慣，同時通過改進演算法，實時處理車速和發動機轉速與數據顯示和數據存儲等技術難點。
  13. Compared to gan, which is one of the most successful wide - band semiconductor materials at present, zno is promising : high - quality zno with very low defect densities can be synthesized at much lower temperature than gan ; zno can emits light with shorter wavelength than blue light emission from gan ; zno has higher excitonic binding energy ( ~ 60mev for zno, 25mev for gan ), which promises strong photoluminescence from bound excitonic emissions at room temperature ; meanwhile, homogeneous bulk zno is available

    和gan相比， zno薄膜具有生長溫度低，激子復合能高（ zno ： 60mev ， gan ： 21 25mev ） ，受激輻射閾值較低，能量轉換效率很高等優點。有可能實現室溫下較強的紫外受激發射，制備出性能較好的探測器、發光二極體和激光二極體等光電子器件。
  14. In practical application, due to the parameter accuracy of two point temperature correction is limited by readout circuit noise 、 dynamic range 、 analogue to digital converter word length and calculating noise, the performance of focal plane array detector is not the performance it should be

    目前實用性較好的兩點溫度定標法的校準系數精度受讀出噪聲、信號動態范圍、模數轉換字長和運算噪聲的限制，很難使焦平面探測器的空間殘留噪聲達到應有的精度。
  15. One - wire bus is a new technique based on cdma and std. it has simple structure, low cost, direct control via computer or microprocessor and simple program. the new type of one - wire digital sensor, which is integrated with thermometer, a / d, controller, rom, ram, can communicate with server computer through 1 wire and without any other accessories, moreover, 64 sensors can share one single line which makes system structure concise and easy

    新型的單總線數字傳感器集成了溫度檢測、 a d轉換、控制器、 rom 、 ram 、單線雙向數據傳送等功能於一體，只需要1根數據線，無需其他輔助器件即可實現傳感器與主機間的數據通訊，而且多達64個數字傳感器可以共用該數據線，使系統間的連接非常簡潔，適應于低成本的多點測試、集中控制系統。
  16. The optoelectric detecting and measuring principles, the components as well as the trades - off of three measuring schemes are described separately

    文中分別描述了三種光電器件的光電轉換原理，敘述了三種測試系統的組成和工作原理並分析了各方案的優缺點。
  17. Furthermore, the principle of the intelligent test system of 8098 t ype embedded controller was introduced, and the principle of testing missile ' s i nsulance using this system and the realizable method were explained in detail

    分析了逐點比較法與綜合比較法的原理及特點，敘述了採用繼電器矩陣來實現絕緣電阻被測點的選擇與轉換原理，介紹了8098單片機智能測試系統的組成及工作原理，闡述了採用該系統測試導彈絕緣電阻的原理和實現方法。
  18. This device use great switch power supply which can give 100a, atmel 89c52 8 bit microcontroller, 192 * 64 lcd, a / d7135, and serial port printer, to print and save the testing data. comparing to the traditional method this device has high testing accuracy and high testing speed to fit the testing requirement

    本文採用可輸出100a的大功率開關電源， atme189c52八位單片機， 192 * 64大屏幕點陣式液晶顯示器， 41 2高精度a d轉換器icl7135 ，並配有串列印表機，可以將實時的測量數據進行列印、保存。
  19. The special feature of tranducers with local display is an analog display of the measured value on side and the output of a corresponding electrical standard signal mostly 4. 20ma for transmitting the measured value

    帶有現場顯示的轉換器的特點是能提供現場測量值的模擬顯示以及根據相應的標準電信號通常是4 . 20ma輸出用於傳輸測量值。
  20. We connect this transducer with a check on work attendance system. directly being linked together with the communication network thread hawser nearby, the net is directly sent the on - site testing data to the internet. at last, we establish client program to control the remote check on work attendance system

    並把該轉換器和一種基於串口協議的非接觸式ic卡考勤機系統相互連接，使該考勤系統具有internet功能，成為網路中的獨立節點，與就近的通信網路線纜直接相連， 「即插即用」 ，直接將現場測試數據送上網。
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