液放大器 的英文怎麼說

中文拼音 [yèfàngdàqì]
液放大器 英文
electro-hydraulic amplifier
  • 液 : 名詞（液體） liquid; fluid; juice
  • 放 : releaseset freelet go
  • 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
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. The results were as follow : in the process of its male organ development, these are many abnormalities, such as : premature tapetal degradation, giant tapetal cells, the great vocalization of the tapetal cells and inadaptable function of callose enzyme, which lead abnormal and premature degradation microspores and male gametophytes

    實驗結果表明： 1蝟實的雄性生殖器官在發育過程中，出現絨氈層細胞的液泡化、肥大、提前降解及不適時釋放胼胝質酶等異常現象，造成蝟實花粉發育過程中出現畸形、解體。
  2. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  3. 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。
  4. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  5. In the work of hardware we are responsible for the designing of the dual - channel servo amplifier which is realized through protel99se - a software applied to drawing printed circuit board

    根據合同中的規定，硬體組成方面我方負責雙通道電液伺服放大器的設計，具體設計與實現是通過protel99se電路板繪制軟體來完成的。
  6. 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總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，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路，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轉換;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。
  7. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。
  8. Gather the necessary installation tools : you will need a column cutter, column nuts, ferrules, a magnifying loop, and typewriter correction fluid

    收集必要的安裝工具：柱切割器、柱螺母、墊圈、放大鏡、打字機改正液。
  9. The main mechanism is designed based on differential lever theory and flexure hinge, its magnification performance is simulated using finite element method ( fem ). the simulation result shows that the main mechanism owes good magnification performance

    基於差動杠桿原理和柔性鉸鏈結合起來設計了液體中運動微機器人的主體機構，並利用有限元法對主體結構的放大性能進行了模擬，所研製的放大機構具有較好的放大效果。
  10. B ) the design of the new valve : for the displacement of the actuator, hydraulic magnify is used, and the stracture that has comparatively motion beteen harness and body and comparatively stillness between harness and body is adopted. the static characteristic of the new valve and also its dynamic characteristic, the factors that affect the valve ' s characteristic are analyzed

    設計新型高速開關閥：對驅動器位移採用了液壓式放大，並採用閥套與閥體之間有相對運動，閥芯相對閥體不動的結構。分析了新型高速開關閥靜動態特性以及影響其性能的主要因素。
  11. 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。
  12. Abstract : the construction of the liquid angular sensor in the laser beacon is designed, the work principle and magnify circuit are analysed

    文摘:對激光基準信標儀中所採用的液體擺角傳感器的結構進行設計，分析其工作原理、放大電路。
  13. Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable

    各種改進液晶電光可調諧濾光片的措施的實現，使得液晶調諧濾光片成為一種很有應用前景的電光調諧濾光片，特別是用於光纖通信中的波分復用系統和密集波分復用系統，將使光纖的傳輸客量大大增加目前國外在這方面的研究進展很快，而國內在這方面的研究比較薄弱，而且通常採用光線正人射晶體進行研究，由於液晶盒很薄，視場角可以很大，液晶盒的擺放對測量結果影響很大，因此對該器件進行深入的研究，討論液晶盒的方位角影響是很有必要的。
  14. This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid

    在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上，本文給出阻尼器線圈的前置電流放大電路，並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。
  15. To enable the visually impaired to access computers and the internet, computers with specially designed facilities have been installed at eight service units run by four ngos. these special facilities include screen - enlarging software, voice synthesizer software, braille display and large - size lcd monitors

    有機會使用電腦和上網，我們在四家非政府機構主辦的八個服務單位，裝置附有特別設施的電腦這些設施包括屏幕放大軟體語音模擬軟體盲人點字機和大型平面液晶體顯示器。
  16. In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance

    本文建立了主體機構靜力學模型，研究了主體機構的結構參數對微位移放大性能的影響；建立了主體機構振動模型，研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性；根據流體力學平板繞流理論，研究了驅動翼產生的推進力和微機器人在流體中受到的阻力；在此基礎上國內首次建立了泳動微機器人的動力學模型，並對模型進行了深入的研究，詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。
  17. In mainly contains photoelectric converting and pre - amplifying circuits, lcd and keyset interface circuits and data storing circuits based on i2c bus

    主要包括光電轉換和信號前置放大電路、液晶屏和鍵盤介面電路和基於i ~ 2c總線的數據存儲器電路。
  18. We also magnify the signal with new ic amplifier, deduct yawp counters, design system to desl with data, total system is control by singlechip and can count in fastness time range and deal with data

    用max4416放大器件作為前置放大器，用max900系列比較器件作成窗口比較器，用高速器件74ls393兩片作成16位的計數器，用單片機89c51讀取數據，並處理后顯示在液晶顯示模塊上。
  19. High pulse repetition rate double - pass amplifier with the liquid phase conjugating mirror

    液體相位共軛技術在高重復頻率雙程放大器中的應用
  20. The research contents of this paper includes as follows : firstly, design a new type reader based on ti s6700 reader ic and try to enhance the reading distance through adding power amplifier ; secondly, adopt the idea of gpio simulation to produce spi timings to drive s6700. secondly, overcome the shortcoming of general mcu spi port ; thirdly, design the rs232 / rs485 full duplex conversion module, mmi interface in the system ; fourthly, analyze the rfid system communication protocol iso15693 and find out the working processes and realization of the instruction ; lastly, discuss the communication safety and accidental factors including the checkout and collision design, illustrate the realization of crc and anti - collision arithmetic theory

    本論文的主要研究內容包括: （一）設計基於s6700閱讀器晶元的新型閱讀器，通過使用對中高頻閱讀器外加功率放大模塊的方法，實現較遠距離通信。 （二）採用單片機通用口三線模擬的方法模擬通用spi口時序，克服其不可位操作的缺點，實現對s6700的驅動。 （三）在rfid系統中集成設計了rs232 / rs485通訊模塊、液晶顯示模塊等，著重說明了其軟硬體實現方法。
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