y circuit 中文意思是什麼
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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。 -
The analysis and improvement project about the common breakdown of y - areduced - voltage starter circuit
降壓起動線路常見故障的分析與改進方案 -
Pcb screen print machne use : apply to peg, the printing of circuit board, and has x, z, y and rotary precise fine - adjustment counter - point design
用途：適用掛釘，電路板印刷，有x ， y ， z及旋轉的精密微調對位設計。 -
But if we want to make it work normaly and make it work with electronic development to distinguish the neutron ' s inelastic scattering y spectra with the capture spectra, then we can get the element ' s inelastic scattering y spectra, we must research again the controlled circuit of the pulse neutron generator
而要使脈沖中子發生器正常工作並且能於我們自己研製的電控門配合，將中子與物質中所含元素的原子核相互作用的非彈性散射反應和俘獲反應區分丌來，從而得到能夠較好的表徵該元素的非彈性散射譜。 -
W. y. wu, m. j. j. wang and c. m. liu, 1996, automated inspection of printed circuit boards through machine vision, compuers in industry, 28, 103 - 111
何宜達， 2002 ，視覺伺服技術於三維目標軌跡預測與攔截之應用，國立成功大學航空太空工程學系碩士論文 -
This dissertation is supported by the following projects : national foundation for science research on the theory of sub - deep micro and super high speed multimedia chip design " ( no. 6987601 0 ) national foundation for high technology research & development " interface of vlsi ip core and related design technology " ( 863 - soc - y - 3 - 1 ) a - national r & d programs for key technologies for the 9th five - year plan research on high level language description and embedded technology for mcu " ( 97 - 758 - 01 - 53 - 08 ) national foundation for the ministry of education, prc " research on the optimal theory and methodology of soc software / hardware integration co - design and co - verification " ( moe [ 2001 ] 215 ) national foundation for science and technology publication " design of interface circuit for computer with verilog " [ ( 99 ) - f - l - 011 ] a deep research on system level design methodology of 1c and the design technology of mcu - ip and interface ip are made in this dissertation. the main work and achievements are as follows : 1 building block principle and the building block component maximum principle are brought forward based on the research of developing history of ic design
本文基於以下科研項目撰寫：國家自然科學基金「深亞微米超高速多媒體晶元設計理論的研究」 （ 69876010 ）國家863計劃「超大規模集成電路ip核介面及相關設計技術」 （ 863 - soc - y - 3 - 1 ）國家「九五」重點科技攻關「 mcu高層語言描述及其嵌入技術研究」 （ 97 - 758 - 01 - 53 - 08 ）國家教育部「 soc軟硬體集成協同設計和驗證優化理論和方法研究」 （教技司[ 2001 ] 215 ）國家科技學術著作出版基金「 verilog與pc機介面電路設計」 （ 99 - f - 1 - 011 ）論文的主要工作和取得的成果如下： 1 、在研究集成電路設計方法學發展歷史的基礎上，提出了設計的積木化原則和積木元件最大化原則。 -
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
摘要利用電路模擬軟體pspice8 . 0中直流分析及正弦穩態電路的數值輸出功能模擬二埠網路參數的測量與研究，解決了傳統實驗中只能測量簡單、單一的純電阻網路問題，實現了對任一復雜二埠網路交、直流的分析及y 、 z 、 t 、 h等參數的測量與研究，為更多的不易完成的傳統實驗以及復雜電路的分析研究開辟了一條新路。 -
X, y axis drive with ball screw. mos - fet circuit design
Y軸均用滾珠螺桿，傳動輕巧，使用方便。 -
This dissertation brings forward a new method of modeling and simulation on interconnect ? fem - vfm, which combines finite element method with vector fitting method. we can get the scatter / admittance / impedance ( s / y / z ) parameter by fem in frequence domain, gain the equivalent spice circuits of interconnect structure by vfm, and extract the circuit ’ s parameters which are used to analyze in time domain. this method lets the simulation not only contain the information of pcb ’ s structure but also have a sustainable computing speed
首先通過電磁場數值分析方法?有限元法（ fem ）對互連結構進行模擬分析，而得到的散射/導納/阻抗矩陣參數（ s / y / z矩陣參數） ，然後通過矢量擬合方法（ vfm ）把s / y / z矩陣參數轉化為等效spice等效電路模型，並且提取出電路參數，完成了頻域到時域的轉換，最後使用電路模擬器進行時域模擬，從而開發出了一系列高速數字pcb板設計規則。 -
The short circuit test method in this paper applies to balanced transformers, such as y / v impedance - matching balanced transformer and yna impedance - unmatching balanced transformers
利用推導的短路試驗方法對一臺sf2 ? qy ? 25000 ? 110 27 . 5gy型阻抗匹配平衡牽引變壓器進行短路試驗，解決了工程實際問題。 -
The test signals are given by the signal generator and the characteristic curves are drawn by the x - y recorder. before the test, the coordinates of the x - y recorder are demarcated and the shifts of the test oil circuit are done manually. the parameters of the characteristics are also computed manually
在每次測量前需要手動標定x - y記錄儀的坐標以及切換測試項目間的油路，測試曲線繪制完成後也需要手動計算電液伺服閥的各項性能參數。
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