校驗電路 的英文怎麼說

中文拼音 [jiàoyàndiàn]
校驗電路 英文
calibrating circuit
  • : 校名詞1. (學校) school 2. (校官) field officer3. (姓氏) a surname
  • : 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...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. 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,同時設計了系統的正網;分析了二元調寬脈沖再平衡測試迴的解析度、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、頻標以及力矩流發生器等測試系統各部分硬體證了的正確性,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。
  2. In verifying of relay protection sensitivities, a network portioning method combining with graphic interface is proposed. it can online track the varieties of network, accordingly it can satisfy real - time and emulation analysis of topological configuration. with the real - time network configuration and nodal admittance matrix analyzed, the short - circuit calculation is carried out ; by means of an expert system, the verification of protection sensitivities has been achieved

    在網拓撲在線快速跟蹤基礎上,進行實時結線分析並形成導納矩陣,同時將短計算的理論運用於在線,將獲得的在線短計算的結果同專家系統相結合進行保護靈敏度的在線,最後通過友好的人機交互界面提供整個城市網全部投運保護裝置的保護靈敏度狀況。
  3. And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value

    本文在對一系列apfc設計、模擬分析方法討論比較的基礎上,著重應用離散時域法進行了計算機輔助設計和模擬方法的應用探索,以此為基礎設計了pfcexpert功率因數設計、模擬軟體,針對實際給出了整個設計和模擬全過程,通過實證了該軟體所得到的精確穩態解、瞬態輸出壓和流,與實際輸出基本相同,所建立的模型重現了的運行過程,反映了的實際工作機理。
  4. Ihf elektronik gmbh informs you about checking / testing as well as about printed circuit board

    Ihf elektronik gmbh是一家工業型企業,該企業製造高精度的測試、試、檢核、考試、查,板。
  5. It is suitable in computer network project 、 electronic instruments 、 armarium 、 research institute 、 measurement and test device 、 factory test board and so on

    適用於腦網工程、家用器、醫療設備、科研單位、測試、測量設備、工廠臺等設備配套使用。
  6. In this dissertation, the beijing downtown area distribution system capability is evaiuated based on fuzzy theory according to the present condition of beijing distribution system. factors considered in this dissertation affecting the capability are including as follows : feeder load rate, voltage offset, network 1oss and n - l analysis. the load allocation in beijing distribution system of downtown area is got, and conclusion of the whole fuzzy distribution capability is reached

    本論文根據北京城區配網現狀,應用模糊數學的方法,對影響配網的供能力的各個因素:線負載率、壓偏移、網損和n - 1分析進行了評估,得到了北京城區配網的負荷分佈情況和整個北京城區配網供能力的模糊水平。
  7. Calculation of checking conditions for dynamic stability three - phase and symmetric power system being shorted

    三相對稱力系統短時動穩定度條件的計算
  8. Application of protel 99 se to circuit experiment at college

    中的應用
  9. Then, the optical system and mechnical configuration of the interferometer are realized, which are based on phase detection algorithms and four - step algorithm. in the following work, we designed and realized a dc high voltage amplification circuit by mcu, which is used to driver pzt, and presented a new method to measure the nonlinearity of pzt

    設計並完成了精密移相的單片機控制用於壓晶體驅動的高壓放大,並且提出了一種新穎的對工作狀態下壓晶體非線性軟體正的新方法,並得到了很好的實結果。
  10. This paper discusses the short - circuit verifying of wires in dynamic stability and heat withstand while the wires are chosen in the design of power system

    本文主要論述了力系統中母線上發生三相對稱短時,其動穩定和熱穩定的問題。
  11. It is suitable in computer network project 、 electronic instruments 、 arm - arium 、 research institute 、 measurement and test device 、 factorytest board and so on

    適用於腦網工程、子儀器設備、醫療設備、科研單位、測試、測量設備、工廠臺等設備配套使用。
  12. Ohmic resistance measured between the connecting lines and the transducer s deformation body, with statement of the test voltage used

    在使用壓時測得的連接線和轉換器變形體之間的阻歐姆。
  13. Finally, the headwaters of harmonic current and its harms to power system are discussed, the influences of harmonic currents to short - circuit verifying are analyzed, some parameters are gained according to the analyse on vibration spectrum of the electrodynamic stress

    最後,討論了力系統諧波的產生原因及其危害,分析了力諧波對短動穩定的影響,通過對含有諧波的短動力的頻譜分析,得到相應的動穩定參數。
  14. Secondly, the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ), the paper calculates the maximum value of rectangle wires " short - circuit electrodynamic stress and gets the conditions of their having the maximum value. furthermore, some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires, the paper discusses some common calculation methods, and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals. the model is shown to be feasible

    其次,在中短流計算的基礎上, ( 1 )進行母線的短動穩定計算:採用模擬退火演算法( sa演算法)計算了矩形母線短動力的最大值及其取極值的條件,獲得了更為一般的結果,進而通過短動力的頻譜分析,給出了銅質母線的有關短計算數據; ( 2 )進行母線的短熱穩定計算:討論了熱穩定的幾種常用計算方法,從導體或器的發熱機理出發,運用人工神經網理論對母線的熱穩定問題進行計算,通過算例比較,證明該方法用於熱穩定計算是可行的。
  15. Model j0407 dc ammeter is suitable for students to measure the current in a dc ciruit in laboratory

    J0407型直流流表供學學生在實中測量直流中的流用。
  16. Network ports are available in all classrooms and student hostel rooms. you can bring your own computer and get connected to the network at a transfer speed of 100mbps at any time

    所有學生宿舍和課室均設有網接駁點。你可自攜個人腦,在課室或宿舍連接園網,體每秒高達一百兆位元的傳輸速度。
  17. Abstract : the nommiformity of solid state image sensor which degrades performance severely, even no signal can be detected must be corrected in the condition of present technology. in this paper, the cause of nonuniformity generation is analyzed. based on principle of ratio of performance to price and real time, one point and two point correction are used and their correction range are discussed. the hardware circuit sketch and result are presented

    文摘:分析了非均勻性產生的主要原因,基於性能價格比和實時快速的原則,採用一點和兩點法對固體圖像傳感器的非均勻性進行了正並討論了系統的正范圍,給出了用於實時正的硬體框圖和實結果,取得了較滿意的正效果。
  18. So to develop a new type of transformer calibrator which has the high precision and the high degree of automation is significative. for the outdated transformer calibrator is widely used, this paper analyzed the theory of previous calibrators and proposed an idea of designing a new type of intelligent calibrator, based on the theory of measure the difference, adopt the project of dsp and mcu structure, also use high speed a / d electric chip. after the design of hardware circuit diagram, adopt the theory of fft and quasi - synchronous sampling method to reach the demand of precision. this paper discuss the intelligent development of transformer calibrator, achieve some success in the study

    本文針對國內市場目前普遍使用的老式互感器儀的現狀,提出了智能型互感器的研製思想,並詳細講述了其理論依據和實現過程,提出了切實可行的方案:基於測差測量原理,進行基於dsp和mcu雙cpu架構、並採用高速a / d的硬體設計,並在此基礎上採用快速傅立葉變換和準同步采樣演算法,並完成相關的軟體演算法框圖設計,對互感器儀的智能化發展進行了有益的探索,取得了具有實用意義的成果。
  19. In order to analyze the characteristics of stator ground fault and develop its protection schemes, a mathematical model for large - sized hydro - generators is established based on the multi - loop theory of ac machines and considering the capacitance to ground and actual construction of the stator windings

    為了詳細分析大型水輪發機定子繞組單相接地故障特點,和開發相應的保護方案,本文建立了以交流機多迴分析方法為基礎、考慮定子繞組對地容、採用實際繞組結構的發機定子繞組單相接地故障模擬模型。
  20. The main idea in this paper is to design greenhouse computer distributed auto - control system. the system is a kind of principal and subordinate structure made up of one pc and several microcontrollers, principal can bus communication network and crc validated algorithms to ensure data transmitted correctly. the local operation in greenhouse can be obtained by monitoring environment parameters and warning information can be read into pc

    本文的主要設計思想是構建溫室計算機分散式自動控制系統,由一臺pc機與多個微腦控制裝置組成主從式分佈結構,採用總線式can通信網和crc的通信演算法進行數據傳輸,通過讀取實時和歷史存儲的環境參數值和報警信息來監測溫室的運行情況。
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