in-circuit testing 中文意思是什麼
in-circuit testing
解釋
內部電路測試-
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。 -
This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。 -
This paper establishes a platform of computer monitoring system for atrium fire experiment, discusses the testing methods of smoke flow, and analyses the design of hardware circuit, the workout of software and its parameters and functions of the computer acquistion system for atrium fire experiment in detail
本文探討了火災煙氣的測試方法，建立了中庭火災微機監測系統平臺，並分析了微機檢測系統硬體電路的設計、軟體的編制以及系統的性能參數和功能。 -
China ' s domestic companies included 86 ic design companies : china integrated circuit design co., ltd., datang microelectronics, c * core, spreadtrum communication, lhwt, shenzhen state microelectronics, shenzhen zte ic design, hisense hiview tech., etc. ; 25 manufacturers : smic, huahong nec, hejian, china resources microelectronics, grace semiconductor manufacturing, csmc tech., asmc, etc ; 10 engaged in packaging and testing, such as nantong fujitsu, jiangsu changjiang electronics, tianshui huatian, 10 semiconductor equipment manufacturers : cetc no. 2 institute, cetc no. 48 institute, beijing sevenstar huachuang, institute of microelectronics of the chinese academy of sciences, institute of optics and electronics of the chinese academy of sciences etc. ; 37 semiconductor materials providers, including grinm semiconductor materials, heraeus zhaoyuan precious metal materials, etc
國內參展商包括中國華大、大唐微電子、蘇州國芯、展訊通信、六合萬通、深圳國微、深圳中興集成電路、海信信芯科技等86家集成電路設計公司；中芯國際、華虹nec 、和艦科技、華潤微電子、宏力半導體、華潤上華、上海新進等25家主要集成電路製造企業；南通富士通、江蘇長電、天水華天等10家封裝測試企業；中電科技集團第2研究所、第48研究所、七星華創、中科院微電子所、中科院光電所等10家半導體設備企業；有研矽谷、賀利氏招遠等37家半導體材料企業。 -
In this paper, we combine the standard modules realize the boundary scan of estarl and also expand it to the test of internal circuit. this structure can save the i / o port of the chip and simplify the testing program
本文結合標準模塊設計實現了estar1的邊界掃描結構，並進行了擴展，應用到晶元內部測試，節約了測試i / o口消耗，簡化了測試過程。 -
Gene was quickest in tuesday s testing at the circuit de catalunya, ahead of williams rookie nico rosberg. seven times world champion michael schumacher is fourth in the standings after three races, 17 points adrift of renault s 24 - year - old champion fernando alonso
在f1前三站比賽結束后，七次冠軍得主法拉利車手麥克爾舒馬赫名列第4 ，比雷諾車隊的阿隆索落後17分。 -
Gene was quickest in tuesday ' s testing at the circuit de catalunya, ahead of williams " rookie nico rosberg. seven times world champion michael schumacher is fourth in the standings after three races, 17 points adrift of renault ' s 24 - year - old champion fernando alonso
在f1前三站比賽結束后，七次冠軍得主法拉利車手麥克爾舒馬赫名列第4 ，比雷諾車隊的阿隆索落後17分。 -
This paper introduces a testing dilative instrument, including hardware design and softwere design, it introduces testing principle and system in the hardware design and the circuit chart is given ; the procedural flow chart is given in the software
摘要介紹了一種膨脹率測試儀器的硬、軟體設計，在硬體中介紹了測試原理及系統組成，並給出了控制電路原理圖；在軟體設計中給出了程序流程圖。 -
And, when coupled with functional testing, the fault coverage for the entire process is as good as or better than in - circuit testing alone
加上功能測試，這個過程中檢測到的故障率要比單獨進行在線測試故障發現率大。 -
W2 technology is a fabless integrated circuit ( ic ) corporation, specializing in designing, testing, selling high - end power management ic products as well as offering comprehensive solutions of power management
雙元科技股份有限公司是專業從事高端電源晶元設計、測試及銷售，同時提供完整電源解決方案的企業。 -
These new methods adopt the circuit information contained in the power supply line current to realize the fault diagnosis. it can increase the fault coverage, reduce testing cost and improve the quality and reliability of ics
它通過從電源電流信號中提取有效的信息來進行故障診斷，能夠提高故障覆蓋率，降低測試成本並提高集成電路產品的質量與可靠性。 -
The reactive power compensation is an important engineering in the power system. the active reactive power compensator designed in this text takes the instantaneous reactive power theory of three - phase as foundation, and is formed by the reactive current testing circuit, current tracking control circuit and the main circuit, and among them the current tracking control circuit is formed by instruction current arithmetic circuit, current polarity checkout circuit and current tracking control logic circuit three parts in the circuit form
無功功率補償是電力系統中的一項重要工程，本文所設計的有源無功功率補償器是以三相瞬時無功功率理論為基礎的，它由無功電流檢測電路、電流跟蹤控制電路和主電路三大部分組成，其中電流跟蹤控制電路由指令電流運算電路、電流極性檢測電路和電流跟蹤控制邏輯電路三部分構成。 -
Take testing the typical circuit of vs1 - based control board for example, we discuss in detail the principles and methods of using the so - called system to test the breakdown
重點介紹利用數字示波器和計算機系統組成的故障測試系統對工業設備動態響應過程的檢測方法。 -
Design of practical circuit for reflective fiber displacement sensor in testing roller abradability
反射式光纖位移法檢測軋輥磨損度中實用電路的設計 -
In this paper, the circuit used for testing sheet resistance is designed using single chip processor. additionally, we have expressed van der pauw function as a polynomial form through local and global reversal development by using the normalized polynomial match, being convenient not only for programming, but also for sheet resistance testing when using van der pauw and rymaszewski methods
本文還利用單片機系統設計了薄層電阻測試電路，對于程序中用到的范德堡隱函數，利用非線性反演和規范化擬合的方法推導出其多項式顯函數形式。這不僅給對我們編寫程序提供了方便，也為使用范德堡法和rymaszewski法測量薄層電阻提供了便利。 -
In the testing of examples, the error of the result through the accurate equivalent circuit was reduced by 29. 7 % averagely, compared with the result through the simplified equivalent circuit
通過算例，與採用簡化等效電路的設計結果進行了對比。計算結果表明，以實測值為基準，採用精確等效電路的設計結果，誤差平均減小了29 . 7 。 -
Type 37tf includes an internal resistor wired in parallel with the contacts which serves as an aid to factory circuit testing where the contacts are open at room temperature
型號37tf包括有一個內部電阻，這個電阻與（一對）觸點並聯連接，這對觸點對出廠前的電路檢測能提供幫助，在室溫下，這對觸點是斷開的。 -
For some faults in a circuit, testing pairs was generated using this method
並且針對一個實際電路中的部分故障用該方法產生了測試向量對。 -
At present testing method based on current testing has become an important cmos digital integrated circuit testing method which has been accepted widely. in order to improve the fault coverage of the testing to meet the demands of people, the dynamic current ( iddt ) testing was proposed to detect some faults that cannot be detected by other testing methods in the middle 1990 ’ s
90年代中期，人們提出了瞬態電流測試方法（ iddt ） ，以便發現一些其他測試方法所不能發現的故障，進一步從總體上提高測試的故障覆蓋率，滿足人們對高性能集成電路的需要。 -
A unit that can be placed in a multiconductor circuit ( say, between a computer and a modem ) to provide terminal connections for circuit testing
放置在多線電路中的一種裝置（如計算機和數據機間） ，為電路測試提供終端連接。
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