高壓轉換時間 的英文怎麼說

中文拼音 [gāoyāzhuǎnhuànshíjiān]
高壓轉換時間 英文
high voltage switching time
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 壓 : 壓構詞成分。
  • 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
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 高壓 : 1 （殘酷迫害; 極度壓制） high handed 2 [氣象學] （高氣壓） high pressure3 （高電壓） high tension...
  • 轉換 : change; transform; convert; switch
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. 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。
  2. 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。
  3. Chapter 5 describes how to design fuzzy control rulers by reverse pulse algorithm, which solves the problem of fast charging on the storage battery. this method is applied to improve the efficiency of power conversion and shorten the charging time

    第五章從蓄電池快速充電理論出發，根據馬斯定律，以電壓和溫升作為控制變量，運用反向脈沖模糊控制演算法對蓄電池快速充電進行模擬，用以提高電能轉換效率，縮短充電時間。
  4. With the rapid development of electronic technology, the life of modern can ’ t leave all kinds of electronic products, such as cellular phones, personal digital assistants, and notebook

    本論文的內容是設計一個直流電壓到直流電壓的降壓式開關穩壓器，它具有很高的轉換效率，以實現延長電源的使用時間。
  5. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形（ ccos ）的加工方式、誤差收斂特點，研製了去除函數呈高斯分佈的雙轉子結構研拋模；採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法，求解過程中根據工件面形的特點作了各種形式的簡化；提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型，並推導出相應的計算公式；分析了邊緣效應產生的原因，在加工過程中採用相對壓力因子對去除函數進行修正，可以消除邊緣效應的影響。
  6. The simulation results in this thesis indicate that, its settling - time to full swing is 15ns with 3v supply, the total static power dissipation is less than 50mw, the differential nonlinearity error is 0. 58lsb, the integral nonlinearity error is 0. 54 lsb, spurious free dynamic range is more than 60db, and the output current can be adjusted

    本課題設計的數模轉換器性能指標為:工作電壓3v ，建立時間15ns ，微分非線性誤差0 . 58lsb ，積分非線性誤差0 . 54lsb ， sfdr高於60db ，總功耗不到50mw ，輸出電流可調。設計成果可應用於數據處理和控制系統電路中，具有一定的先進性和實用價值。
  7. In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower

    在時域，根據數字示波器隨機取樣原理，用兩種方法（雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法）測量數字示波器系統觸發和采樣寫時鐘間時間間隔，用低速a / d轉換器及控制器進行模?數轉換和控制，以此進行隨機取樣內插，從而實現了對高頻率重復信號的測量。
  8. By using msp430 micro controller unit and cpld technology, this method realized twofold frequency phase ranging : the rough measurement of the distance is realized by countering high frequency pulses which are filled in discriminating phase pulses ; the accurate discriminating phase pulses are converted by using the method of time to voltage conversion, and then the adc device samples the converted voltage, so the accurate measurement of the distance is obtained by processing the adc samples through micro controller unit

    該方法通過msp430單片機和先進的cpld技術實現雙頻測相:粗測通過採用對鑒相脈沖填充高頻脈沖的辦法來實現;精測則利用時間-電壓轉換法對鑒相脈沖進行轉換，然後由模數轉換器adc對轉換電壓進行采樣，通過單片機對adc的輸出值進行計算處理獲得精測值。
  9. Ultrasonic plastic welding theory is generated by the generator 20khz or 15khz pressure, high - frequency signals, the system can be adopted for the high - frequency signals into mechanical vibrations, and in plastic products working, through working surface and internal friction among elements spread by the department of the interface temperature, when the temperature reached the melting point of her own, that the working interface rapid melting, and then fill in the gaps between the interfaces when shock stop working at a certain pressure and cooling will be a perfect welding

    的高壓高頻信號通過換能系統，把信號轉換為高頻機械振動，加於塑料製品工件上，通過工件表面及內在分子間的磨擦而使傳處到介面的溫度升高，當溫度達到此工件本身的熔點時，使工作介面迅速溶化，繼而填充于介面間的空隙，當震動停止，工件同時在一定的壓力下冷卻定形成完美的焊接.點擊數： 723錄入時間： 2006 - 5 - 14
  10. To be used flexibly in wireless access networks, and get balance of compression efficiency and robustness, this project implements assistant functions, including the three compression modes and transitions between them, compression states and decompression states, and making use of feedback mechanism to make a communication bridge between compressor and de - compressor. because this project will use on wireless links, packets loss on it will induce the asynchronisms between the context of de - compressor and compressor and lead to errors in decompression

    同時，為了rohc在無線接入網中的靈活應用，並且保證較高的壓縮效率和較好的健壯性，課題同時實現了rohc所提供的豐富的輔助功能，如完整實現u 、 o 、 r三種模式及模式之間的互換;分別完整實現壓縮及解壓縮三種狀態的轉換;合理利用反饋機制，以加強壓縮方與解壓縮方之間的溝通等。
  11. The damping behavior of the multi - energy transitions mechanism is obvious only when the vgcf content is among semi - conductive area. ( 3 ) the cpe / pzt / vgcf composites can be presumed as a circuit composed of a resistance and a capacitor, which can successfully explain the phenomenon that multi - energy transitions mechanism takes effect only in the vgcf semi - conductive area

    博士論文:基於多重能量轉換的高性能減振材料的研究（ 3 ）可以將cpe / pzt / vgcf復合材料設計成一個包含電阻和電容的等效迴路，這樣可以很好的解釋在vgcf的半導區間內，復合材料具有較高的電導率時復合材料的壓電導電減振作用更為明顯。
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