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y parameter
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  y参数
     A Method Based on the Graph Theory Used in Building Y Parameter Matrix for the Multi-port Network
     一种基于图论求解多端口网络Y参数矩阵的方法
短句来源
     In this paper,the influence of hot deformatien parameter on static recytallization of 50CrV steel was studiecl. By using Y parameter(Yao Parameler),It was simplified greatly that making static recrytallization diagram of hot deformation austemte.
     本文研究了热变形参数对50CrV 钢静态再结晶行为的影响,引用了 Y 参数(Yao Parameter)使热变形奥氏体静态再结晶图大为简化.
短句来源
     The similar Y parameter transforms for the float cells
     对悬浮元器件的类Y参数变换
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     Through the whole analysis, two methods, Miller effect and y parameter, have been employed. Simulation result coincides with theoretical analysis quite well.
     利用米勒(Miller)效应和y参数两种方法对MOSFET的稳定特性做了定性和定量的理论分析,并给出了理论分析和实际仿真的对比结果,从中可看出理论分析和仿真结果完全相符。
短句来源
     Because of the complicated network which has numbers of ports,it is difficult and unpractical to build Y parameter matrix directly.
     对于端口数较多、较复杂的网络,据定义直接计算Y参数矩阵将十分麻烦,甚至不可能.
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更多       
  〔y〕参数
     MMDS BASSBAND SYNTHESIZER AND ITS Y PARAMETER ANALYSIS
     MMDS基带合成器及其〔Y〕参数分析法
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  “y parameter”译为未确定词的双语例句
     In this paper, the generalized Gross-Perry-Sorkin monopole solution, which is dependent on y parameter, is given in five-dimensional Kaluza-Klein theory.
     本文讨论一种5维Kaluza-Klein理论,给出了一个依赖于y参数的推广的Gross-Perry-Sorkin磁单极解.
短句来源
     It tries to analyze the influences of c parameter and y parameter on the fit of various respondences from the subjects from the perspective of ability estimation.
     从能力估计的角度,分析c参数、γ参数对理想被试对各种作答情况的拟合能力。
短句来源
     (3) Then estimate again after introducing y parameter. It is discovered that the second unfit is rectified, but the first unfit still exists and the fourth unfit appears.
     (3)在双参数模型基础上增加γ参数,再对被试进行能力估计,发现γ参数能有效纠正第二失拟现象,而仍然存在第一失拟现象,同时还存在第四失拟现象;
短句来源
     (4) Form Logistic four-parameter model by introducing c parameter and y parameter at the same time and estimate one more time. This model makes all kinds of unfits, including the first, second, third and fourth unfits, rectified.
     (4)同时增加c、γ参数形成Logistic四参数模型,再对被试进行能力估计,这时该模型对各类失拟现象,包括第一、第二、第三、第四失拟现象都具有良好拟合能力。
短句来源
     This paper draws high— frepuency small—signal models from the structural features of the transistor, and discusses its Y parameter equivalent circuit and finds the quantitative relations between the parameters of various circuit models.
     由晶体管的结构特点,引出其高频小信号模型,并进一步分析晶体管的丫参数等效电路,导出不同电路模型中电路参数之间的数量关系。
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  y parameter
The rate constants correlate well with Grunwald-Winstein solvating power Y parameter and with the dielectric constant of the medium.
      
Forzc ? 0.25, it is possible to find values ofT0 andn0 such that both the calculated X-ray background and the y parameter simultaneously reproduce the corresponding observed values.
      
The s-parameters are converted into equivalent circuits by means of conventional S-Y parameter conversion.
      
The algorithm performs feature extraction using the luminance information coded in the Y parameter of the frame.
      
This set of points will lie on a hyperbola in the f -sin y parameter space.
      
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In this paper the uniform transmission line is eonsidered as a four-terminal elemenst, and the formula for its Y-parameters against the external circuit is derived. Using these parameters the author suggested a general analytic method of solving the mixed lumped-distributed networks, and a transmissionline transformer is taken as an example of its application. The result thus obtained gives a theoretical explauation of the wideband characteristic of the transmissionline transformer.

本文作者将均匀传输线作为“四端元件”,推导出它对外电路的V参数,从而提出了集总参数分布参数混合网络的一般分析方法。并以传输线变压器为例,运用提出的方法进行电路分析,得出的结果从理论上阐明了传输线变压器传输信号的宽频带特性。

Most of hob design for non-involute gears are nowadays taken by approximation method.For example,the normal sectional profile of hob worm therad is usually regarded approximately as its basic rack profile.Recently, some new methods have been developed in this respect but, perhaps, they appear overelaborate since the principle of spacing engagement is based on. For this reason , the paper offers a new design procedure for hob worm based on the planar engagement principle with the intention of simplification and...

Most of hob design for non-involute gears are nowadays taken by approximation method.For example,the normal sectional profile of hob worm therad is usually regarded approximately as its basic rack profile.Recently, some new methods have been developed in this respect but, perhaps, they appear overelaborate since the principle of spacing engagement is based on. For this reason , the paper offers a new design procedure for hob worm based on the planar engagement principle with the intention of simplification and improving the accuracy. The principle of the new design procedure is stated briefly as follows.An imaginary medium rack is assumed that it lies between gear and worm and it meshes respectively with them both. The surfaces of action of rack with gear and worm, respectively,may then be considered as both of the planar meshing.As shown in Fig. 1,either of the rack profiles on section A-A(normal section through rack)and on section B-B(oblique section through rack)has a projectivity to another(cf. form. (12) and Fig. 2). Thus, theworm section profile may be got directly from the gear section profile readily and to get the rack profile is no longer of necessity.Also,a proof is given to pictorialize that the contact path of a pair of spiral gears is a plane curve. As a result of simplification based on the principle above,the new design procedures for the basic worms of hob to cut the spur and helical gears are expressed orderly as form. (13) to (17)and form.(20) to (24),respectively.NOMENCLATUREx1o1y1--revolving coordinate system of tooth surface of gear;x2o2y2--revolving coordinate system of thread surface of worm;x P y --fixed coordinate system in. section A-A; x0 P y0--fixed coordinate system in section B-B;x1 o1 y1--moving coordinate system of imaginary rack in section A-A;xⅡoⅡyⅡ--moving coordinate system of imaginary rack in section B-B;x1,r2--adii of pitch cylinders of gear and worm,respectively;φ1,φ2--revolving angles of gear and worm,respectively;β1,β2(β)--spiral angles of gear and worm, respectively;u--variable of tooth profile of gear;Y--parameter of contact path.

本文应用平面啮合原理精确设计各种非渐开线齿轮滚刀的基本蜗杆,提出并应用啮合线的投影原理从工件齿轮端截面的啮合线直接求得刀具蜗杆的端面齿形,而不必求出媒介齿条的齿形,方法很简单,还从啮合线的投影原理简明而形象地证明了一对螺旋齿轮直接啮合过程的啮合线是一条垂直于齿向的平面曲线。

This paper analyses dual-gate MESFET performances by two-dimensional DC transfre characteristic, and s- and y- parameters. Both device design and experimental results are presented. The opttimun results of noise figure and associated gain are obtained: 0.7dB, 22.4dB at 1GHz; 0.9dB 15.5db, at 1.9GHz.

本文采用二维直流传输特性和s、y参数分析双栅MESFET的性能,介绍了器件设计和实验结果.得到的最佳性能为:在1GHz下噪声系数0.7dB,相关增益22.4dB;在1.9GHz下,噪声系数0.9dB,相关增益15.5dB.

 
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