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电路分析
相关语句
  《 circuit analysis 》
     Multimedia Teaching Material《Circuit Analysis》
     《电路分析》多媒体教材简介
短句来源
     The basic contents and ideal of Multimedia teaching material《circuit analysis》 are introduced
     本文介绍《电路分析》多媒体教材的主要内容和编写的思路
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  “《电路分析》”译为未确定词的双语例句
     Application EWB5.0 in the electric circuit analysis of the teaching
     EWB5.0在《电路分析》教学中的应用
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     The Application of EWB in the Course 《CVircuit Analysis》 Teaching
     EWB在《电路分析》课程教学中的应用
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     How to Explore the Methods of Teaching Design about the Course of Circuit analysis for the Vocational and Technical Students
     高职《电路分析》课程教学设计方法探索
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     The Construction and Reform of the Circuit Analysis Course
     《电路分析》课程建设及改革
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     How to Improve the Teaching Quality of the Course "Circuit Analysis"
     提高《电路分析》课程教学质量的几点思考
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  相似匹配句对
     Conciseness of Reliability Analysis
     电路可靠性分析
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     R, G.
     R. 分析,G.
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     Analysis on Measuring Light Circuits for Cameras
     照相机测光电路分析
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     C, methylation analysis etc were used.
     分析,G. C.
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     The Construction and Reform of the Circuit Analysis Course
     电路分析课程建设及改革
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This article, a result of research work caried On in connection with Teaching, aims at presenting an analysis of the basic circuit of the resistance strain gage withaut amplifier, including therin (1) a computation of the relation between the resistance of each branch of the bridge and the sensitivity of galvanometer on the one hand and the sensitivity of the gage on the other and (2) a brief discussion of the limitations in regard to both the construction and the utilization of the strain gage without amplifier...

This article, a result of research work caried On in connection with Teaching, aims at presenting an analysis of the basic circuit of the resistance strain gage withaut amplifier, including therin (1) a computation of the relation between the resistance of each branch of the bridge and the sensitivity of galvanometer on the one hand and the sensitivity of the gage on the other and (2) a brief discussion of the limitations in regard to both the construction and the utilization of the strain gage without amplifier Itconcludes with a constructive critieism of Comrade Yu-chuan Chia's article appeared in the second issue of the periodical with the title "The Resistance Strain Gage for Static Deformation—Its Design and Its Construction."

本文是結合敎學工作進行研究的一個結果,提供了對不帶放大器的電阻應變儀基本電路的分析,包括(1)電橋各臂的電阻和檢流計的靈敏度與應變儀靈敏度的關係的計算;和(2)對不帶放大器的應變儀在製造和使用方面的限制的簡短討論。並提出對本刊第二期贾有權同志:“测靜荷的電阻式應變儀的設計和製造”一文的一些改進意見。

It is, quite a laborious work to make an analysis and calculation of the performance of the extra long-distance trantmission line. Using the new equivelant circuit as shown in fig.I. the analysis and calcuation work can be simplified a great deal.Each element in fig.I.is represented as in the following: a──negative phase -shifting element; b──losing element; c──ideal element; d──positive phase-shifting element. It is worth mentioning,however,that the element b and c are intecchangable in position,without causi8ng...

It is, quite a laborious work to make an analysis and calculation of the performance of the extra long-distance trantmission line. Using the new equivelant circuit as shown in fig.I. the analysis and calcuation work can be simplified a great deal.Each element in fig.I.is represented as in the following: a──negative phase -shifting element; b──losing element; c──ideal element; d──positive phase-shifting element. It is worth mentioning,however,that the element b and c are intecchangable in position,without causi8ng the slightest effect on each terminal of the line.Therefore we may select the position at will according to the conveniency of calculation. Using the equivelent circuit we can determine the uoltage and current on any point of the line which sustains losses.For example,the voltage and current in point X (fig.2)is determined by: is the uoltage and current at the point x of the line after the later eing idealized. By employing the equivelent circuit we can greatly simplify our work in determin- in the loseses in the transmission line.As in Fig.I we have Since the Sh βι and Sinξ is very small in value ,its high power can be neglected,these we obtained No less a conveniency and simplicity will also be found,if we use the equivelent circuit to determine transmisson line with any compensated parameters.

在远距离交流输电线中,运行特性的分析和计算是很复杂的。 应用图 1的新的等值电路,可以简化上述计算。其中各环节的名称如下: a──负的移相环节; b──损耗环节; c──理想环节; d──正的移相环节。 值得指出,其中b和c两环节具有互易的特性,亦即他们的位置互易时,不影响线路两端的运行特性。计算时可视方便,任意选择他们的位置。 应用此等值电路 ,可以求得有损耗线路上任意一点的电压和电流.例如在图2中,X点的电压和电流为其中为线路理想化后X点的电压和电流。应用此等值电路,也极易求得线路的功率损耗。假如图1线路中的功率损耗为因为 Shβl及Sin 均很小,他们的高次方可略去,则应用这种等值电路分析补偿线路的运行特性也极方便。

In this paper, the equivalent circuit method is used in analysing the performance of the vibrating system of an electropneumatic loudspeaker, and results are given for the input impedance and displacement amplitude as functions of frequency, and applied to typical designs of this kind of loudspeakers, illustrating the value of equivalent circuit analysis in guiding its practical design. The electrical driving power required for the vibrating system is proportional to the fourth power of the mechanical resonance...

In this paper, the equivalent circuit method is used in analysing the performance of the vibrating system of an electropneumatic loudspeaker, and results are given for the input impedance and displacement amplitude as functions of frequency, and applied to typical designs of this kind of loudspeakers, illustrating the value of equivalent circuit analysis in guiding its practical design. The electrical driving power required for the vibrating system is proportional to the fourth power of the mechanical resonance frequency, which is the upper limit of the frequency range of the electro-pneumatic loudspeaker. Thus the high frequency performance is poor. The optimum condition is found for a flat frequency response below the mechanical resonance frequency. Experiments show that under the optimum condition the high frequency response improves slightly with increase of the magnetic induction in the gap of the magnetic structure. Experimental results agree well with theory, and sound pressure levels up to 181 or 184.8 dB re 2 X 10-5 N/m2 under different conditions were obtained in the horn thoat of the loudspeaker.

本文用等效电路方法分析了电动气流扬声器振动系统的特性,求得了气流扬声器的输入阻抗和位移振幅的频率特性,并把结果用于典型扬声器,说明用等效电路分析指导气流扬声器设计的作用。气流扬声器振动系统所需的电功率与其机械共振频率的四次方成正比,其声辐射主要限于共振频率以下,因而高频特性较差。求得了在共振频率以下,频率响应平直的最佳条件,实验表明,在最佳条件下,气流扬声器的高频特性随着磁隙中的磁感应强度的增加仍稍有提高。实验结果符合理论分析,测得气流扬声器喇叭喉部的声压级在不同情况下达181分贝或184.8分贝(零分贝等于2×10~(-5)牛顿/米~2)。

 
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