電路試驗器 的英文怎麼說
中文拼音 [diànlùshìyànqì]
電路試驗器
英文
circuit continuity tester- 電 : 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 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
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
- 試驗 : trial; experiment; test
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On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory
論文著重介紹實現了跳頻通信系統同步的一般方法,並詳細分析和對比跳頻同步系統的捕獲方案,在此基礎上,提出了一個基於匹配濾波器的位移等待式自同步方案,設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單,該自同步方法在實驗室水池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼率和一定的檢測概率,結果令人滿意。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
電子學工程師通過電路試驗板建造模型,運用物理學法則確定不同屬性的期望值,然後使用精密儀器來測量出實際值。This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit
本文研究了電感位移傳感器的結構、測量機理以及其整個測量系統的系統架構,並通過試驗認真分析了傳統的電感位移傳感器精密測量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感位移傳感器測量系統穩定不高,線性測量范圍小等不足之處進行了改進。Photography - synchronizers, ignition circuits and connectors for cameras and photoflash units - electrical characteristics and test methods
攝影技術.同步閃光器.攝影機和閃光裝置的點火電路和連接器.電特性及其試驗方法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。However, the result of the simulation, in which all the parameters are kept constant except the primary and secondary inductance, is that 3 % higher conversion efficiency can be achieved in ccm than in dcm
但對輸出功率和繞組電阻相同時逆變電路模擬結果表明, ccm的效率比dcm提高了三個百分點;試驗結果說明盡管ccm的繞組電阻比dcm的大,變換器效率仍提高了1 . 5 。Railway rolling stock. magneto - thermic microcircuit - breakers for maximum current for controls and auxiliaries circuits. generalities and tests
鐵路車輛.控制和輔助線路用最大電流熱磁電機微型電路斷路器.一般原則和試驗For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis
由於開合空載架空線路試驗對電源側的阻抗有明確的規定,這就要求試驗電源必須具有足夠大的短路容量,實驗室很難滿足要求,因此,一般對較高電壓等級的斷路器採用合成試驗方法,本文介紹了利用現有條件,對252kv以上電壓等級的斷路器採用合成試驗時的試驗線路。Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account
阻抗匹配平衡牽引變壓器(本文中簡稱平衡變壓器)是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器,它不同於已有的任何一種變壓器,短路電流的分析計算和短路試驗必須予以重新研究。Gb1094. 5 - 85 power transformers part 5 ability to withstand short circuit only applies to power transformers, not to balanced transformers. if short - circuit test on balanced transformers can be performed by means of single phase supply instead of three phase supply, and other special transformers can also be done in this way, so it is very significant to improve test capacity of transformer laboratory in our country
變壓器的短路強度只能通過短路試驗來驗證,國家標準gb1094 . 5 - 1985 《電力變壓器第5部分承受短路的能力》只適用於電力變壓器,對平衡變壓器等特殊變壓器並無具體規定,對于平衡變壓器,如果可以用單相電源預先短路法模擬三相電源的短路試驗,那麼其它特種變壓器的短路試驗也可以參照進行,這對提高我國變壓器試驗室的試驗能力具有重要意義。Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out
在理論分析的基礎上,考慮實驗室現有設備的情況依據標準jb5871的規定,選用合適的試驗設備,對試驗線路的參數進行計算,在實驗室建立了252kv及以下電壓等級斷路器開合線路充電電流直接試驗線路,利用該線路進行了數臺產品的試驗,分析了試驗結果,並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷路器》 (報批稿)關于開合線路充電電流試驗的有關規定。This paper study a two - phase inverter - fed induction - motor drive, which can be widely used for low - power, variable speed drive system. the study has completer the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use. it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of singlechip controller, power drive device, inverter - fed device, a low power tow phase induction motor and safeguard circuit
本文研究了一種新型電壓空間矢量控制兩相逆變器?異步電動機的變頻調速系統,該系統可以廣泛應用於小功率、寬調速運行的場合。本項研究完成兩相逆變器的設計,並組成了試驗用的兩相逆變器?異步電動機系統。系統是一個轉速開環的變頻調速系統,由單片機機控制電路、功率驅動電路、逆變器主電路、保護電路組成。In this dissertation, firstly, characteristics of no - load overhead line and processes of switching no - load overhead line by circuit - breakers are analyzed, then, transient recovery voltage across circuit - breaker are calculated emphatically and the factors of affecting transient recovery voltage are analyzed
這就要求斷路器具有良好的開合空載架空線路的能力。實驗室進行開合線路充電電流試驗是考核斷路器開合空載架空線路性能的重要手段,通過試驗可以優化斷路器的設計、提高斷路器開合空載架空線路性能。The fast development of power system has made it more and more imperative to measure transient parameters, such as over voltage test, trial engagement test of switches, reactors and transformers, harmonics elimination test of arc elimination coils and trial operation of high voltage transmission lines
隨著電力系統的飛速發展,對于暫態參數的測量需求越來越迫切,例如:過電壓試驗;開關、電抗器、變壓器投切試驗、消弧線圈消諧試驗、高壓線路的試投等。Guide for differential and polarizing relay circuit testing
差動和偏振繼電器電路試驗指南The system ensures transformer to " credibility, safety and economy running. by analyzing transformer criterion and picking up the work criterion and test requirement and process of power transformer test ; according to the requirement of " synthesis function, computer structure, screen watch, intelligence management ", the performance and parameter integrated measure system of oilfield power transformer is designed ; according to the demands of transformer test criterion and computer control technique, the computer test methods are worked out ; aiming at the special instance of power company, the online measure of short - test in
通過分析變壓器標準,整理出滿足電力變壓器試驗的工作標準、試驗要求和步驟;按照「功能綜合化,結構微機化,監視屏幕化,管理智能化」的要求,設計了電力變壓器性能參數綜合檢測系統;根據變壓器試驗標準和計算機控制技術,設計出符合微機檢測的方法;對變壓器試驗中的短路試驗的在線測量作試驗室模擬研究,說明變壓器試驗在線測量是可行的。Test code for liquid - immersed distribution, power and regulating transformers and guide for short - circuit testing of distribution and power transformers
油浸式配電電力和調壓變壓器的試驗規程及電力和配電變壓器短路試驗指南Switch initial angel can be corrected automatically to make the peak value in each winding comply with requirements. this program has been applied for short - circuit test on all kinds of transformers
利用本文中的峰值系數曲線程序可以使短路試驗時施加的電流峰值更加準確,該程序適用於各類變壓器的短路試驗。Aerospace series - cables, electrical, aircraft use - test methods - wet short circuit test
航空航天系列.飛行器用電纜.試驗方法.濕氣短路試驗The integration of wireless acceleration sensor for structural global monitoring, the integration of wireless strain sensor for structural local monitoring, their corresponding network ’ s topological strucuture, the network ’ s communication protocol, saving energy and the network ’ s experiments are studied systemly, the main contents include : 1. for strucutal global monitoring, the electronics components are compared, anlysysed and seleced. on this base, the design modulization method is used for designing and debugging sensing disposal module, micro - processing module, wireless transceiver module and power module, and thus a wireless acceleration sensor node with digital interface is integrated using the above modules
本文在充分研究傳感技術、信號處理技術、無線通信技術的基礎上,針對土木工程結構整體性態監測的無線加速度傳感器集成、結構局部性態監測的無線應變傳感器集成以及相應的無線傳感器網路拓撲結構、網路通信協議、網路能耗處理、網路試驗等問題進行了系統的研究,主要研究內容如下: 1 .針對結構整體性態監測的需要,從設計的小型化、低功耗、低成本、高可靠性角度出發,對相關電子器件進行了比較、分析、選擇;在此基礎上,採用模塊化設計方法,對傳感處理模塊、微處理模塊、無線收發模塊以及能源模塊分別設計、調試,進而集成了基於數字介面的無線加速度傳感器節點。分享友人