測驗用電路 的英文怎麼說

中文拼音 [yànyòngdiàn]
測驗用電路 英文
test circuit
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 測驗 : test; trial run; examination; testing
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. On the basis of the research of former graduates, we design the hardware & software of digital boxcar by employing the high - speed ad fpga chip and the usb protocol controller chip, and we realized the high - speed sampling, digital adding, high - speed storage, data transmission and interface circuits of pc successfully

    根據實室前幾屆研究生的積累,前人研究方案的基礎上,利ad晶元、 fpga晶元和usb協議控制晶元重新設計了boxcar的硬體實現和相應的檢軟體。
  2. Can be used to locate cable and pc board emission " hot spots " and evaluate emc problems at the breadboard and prototype level

    ,可於探纜和印製板的發射「熱點」並評估試板和樣機階段的磁相容
  3. Electronics engineers build their models with breadboard circuits, using the laws of physics to determine expected values for various properties and then precision instruments to measure actual values

    子學工程師通過板建造模型,運物理學法則確定不同屬性的期望值,然後使精密儀器來量出實際值。
  4. Electrical equipment for measurement, control, and laboratory use - part 2 : particular requirements for hand - held current clamps for electrical measurement and test

    量控制及實氣設備.第2部分:量及試手持線夾的特殊要求
  5. 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試迴為設計方案,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;分析了二元調寬脈沖再平衡試迴的解析度、采樣約束以及試精度等基本問題,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、頻標以及力矩流發生器等試系統各部分硬體證了的正確性,最後按照試系統的要求,採了美國ni公司專為試領域所開發的虛擬儀器工具? ? labview作為試軟體開發工具,利該圖形化編程語言完成了試系統軟體部分的設計,實現了試功能。
  6. Based on the principle of dspi, a kind of visual system was designed in this dissertation. which can be used in testing the off - surface displacement and deformation of the rough surface. at the same time, a multi - purpose optical metering system which contains this visual system was created and manufactured

    基於dspi原理,論文吸收統計分析思想,相對完善了該技術的實技術體系,設計了一種dspi應,該光於粗糙表面離面位移和形變檢,並依託此光設計了一套多功能激光光系統。
  7. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試探討,選鎳鉻合金阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選0 . 5mm絲徑鎳鉻?鎳硅熱偶( k )作為溫元件;熱偶對稱安置在樣品支持器容器的中部;選硅酸鋁耐火纖維作保溫材料;合理選和設計了溫度控制器、溫度變送器、信號放大等硬體;採升溫曲線來控制爐膛供熱過程;採最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。
  8. We expounded the characteristic between current driving method and voltage driving method, ac driving method and dc driving method, passive driving method and active driving method 。 through theory research we find the dc driving method is also suitable for oled driving 。 an ac - voltage driving circuit is proposed and designed

    通過分析發現, oled不僅適合於流驅動,對于壓驅動同樣可以實現其優異的圖像顯示。設計了一種交流壓驅動,利所設計的對oled的交流驅動特性進行了試和分析,通過實研究了直流驅動和交流驅動對oled性能的影響。
  9. Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits

    靜態、動態試實表明:該控制系統,不僅硬體線大為簡化、體積小、通性強,能夠很好地實現對原型調速器及原動機自平衡特性的模擬,而且與模擬的設計方案相比,整個系統的控制精度、可靠性和穩定性等大幅度提高,具有明顯的優勢。
  10. The circuit is used in high resolution resistance measuring. the coupled chaotic circuit array composed of this circuit is researched by computer simulation and circuit experiment. results show that, it is feasible to improve the stability of orders of chaotic systems and reduce noise in measuring by coupling

    最後,對以這種單源驅動的混沌為基本單元所構成的耦合混沌陣列在提高系統輸出的穩定性和抑制噪聲作方面,進行了計算機模擬研究和實際的研究,結果顯示通過耦合的方式,可以將信號檢的精度提高近一個數量級。
  11. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器動機在火廠等工礦企業的機調速節能領域中有十分廣闊的應前景,本文在對晶閘管元件和串聯閥的靜態特性和動態特性研究的基礎上,研製了於交直交流型高壓無換向器動機的高壓晶閘管換流閥裝置,進行了串聯閥的設計和模擬,完成了方式的觸發脈沖系統和監系統硬體設計及軟體編程,並進行了裝置的實調試。
  12. In the experimental system apd transferred laser pulse to weak electrical current. after two - level amplification we got a voltage pulse that had a enough amplitude to be applied, the timing point was discriminated by the constant - fraction timing discriminator circuit. timing circuits transferred the pulse flight time to digital signal accurately

    系統採apd作為光傳感器,將激光脈沖信號轉變為微弱流脈沖,經過兩級放大后,信號變為幅度較大的壓脈沖,經過時點鑒別分別確定計時起點和終點后,由計時來精確量兩個時間點之間的時間間隔。
  13. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應機進行了深入細致研究,內容包括: ( 1 )本文採有限長行波面流作於有限長鐵芯上的模型,引了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )有限元軟體ansoft對大圓環直線感應機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )軟體進行了額定壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利單極性霍爾元件定轉速並與軟體計算結果進行了比較,採等效法計算了堵轉時的最大磁力並做實進行了證,由實得了三相流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  14. However, recent years the study of electric eddy - current detection mostly overweights the study of measuring system, and the design of the eddy - current. methods are still equivalent magnetic circuit and equivalent electric circuit model calculation and experiment ' s experience design method

    然而,近幾年渦流量方法的研究多偏重於量系統的研究,而對渦流檢探頭的設計至今仍採等效磁、等效模型計算同實相結合的經設計方法。
  15. It is suitable in computer network project 、 electronic instruments 、 armarium 、 research institute 、 measurement and test device 、 factory test board and so on

    腦網工程、家器、醫療設備、科研單位、試、量設備、工廠校臺等設備配套使
  16. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預無線波傳播徑損耗特性,則為合理的微蜂窩無線網規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線波傳播預的方法分為兩類:一是沖激響應法,即根據實、統計所得數據建立經性傳播預模型;另一種是射線跟蹤方法,即依據理論分析來建立確定性的傳播預模型。本文首先討論了在地球表面均勻大氣中的無線波傳播的基本特性,介紹了陸地移動通信系統中常的幾種波傳播徑損耗經性預模型,並指出了這些經性傳播模型對于微蜂窩小區無線波傳播特性研究的局限性。
  17. Experimental results in this paper show our approaches can be efficiently used in delay testing for complex circuits with noise effects

    表明,本文的方法可以應在復雜超深亞微米的延時故障試中,有一定推廣價值。
  18. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上,系統、深入地分析了共焦掃描顯微成像的機理,論述了應單模光纖的激光共焦掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案;從理論上推導分析了解析度要求與試系統中相關器件主要參數之間的關系,分析了系統耦合效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制的設計,並在設計中採軟體解決檢流計式光學掃描器(振鏡)非線性問題的新方法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探接收系統的設計和調試。
  19. By using the measure and research of the emulating two - port network parameters of using direct - current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating software pspice8. 0, the measure and research have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient, and also brought about the analysis of alternating current and direct - current for two - port network of any one complex and measure and research of y 、 n 、 z 、 t 、 h and so on parameters, and this opens up one new path for many traditional experimient of not easy to fulfil and for the complex circuit

    摘要利模擬軟體pspice8 . 0中直流分析及正弦穩態的數值輸出功能模擬二埠網參數的量與研究,解決了傳統實中只能量簡單、單一的純阻網問題,實現了對任一復雜二埠網交、直流的分析及y 、 z 、 t 、 h等參數的量與研究,為更多的不易完成的傳統實以及復雜的分析研究開辟了一條新
  20. A coupled circuit composed of chaotic measuring units was studied, and the relationship between noise reduction and unit number with identical or different parameters in coupled circuits was analyzed based on symbolic dynamics

    研究由多個混沌量單元構成的耦合系統,基於符號動力學原理,採分析了耦合單元在參數相同和有些漲落時噪聲抑制與混沌量單元數之間的關系。
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