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two amplitude
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  双幅
     The novel two amplitude series actively clamped resonant DC link inverter keeps the traditional advantages,such as simplicity,soft switching condition and high frequency,meanwhile the control technique greatly reduces the resonant power loss so that the overall system performance is improved.
     提出了双幅控制的串联有源钳位谐振直流环节逆变器 ,该方案不仅保持了原电路结构简单 ,软开关等优点 ,而且有效降低了直流环节损耗 ,改善了系统的整体性能。
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  “two amplitude”译为未确定词的双语例句
     Application of Sequential Detector with Two Amplitude Thresholds in Phased Array Radars
     双幅度门限序列检测器在相控阵雷达中的应用
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     Two amplitude modulation microwave reflectometry systems based on time-delay method with scanning microwave source are designed for plasma density profile measurement on HL-2A tokamak.
     在HL-2A装置上研制了用于测量等离子体密度分布的两套幅度调制微波反射仪。 微波反射仪采用时间延迟法。
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     After the coarse registration by using Conventional techniques of cross correlation, interpolates one of the two amplitude images according to the offset of the matching position between two images and then resamples the image to accomplish the subtle registration.
     在利用相关匹配算法实现复图像粗配准的基础上,根据两幅复图像之间每个匹配位置的相对偏移量,采用双线性插值法对其中的一幅复图像进行插值重采样,完成两幅复图像的精配准。
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     Polarized measurement using Stockes parameters makes measurement much more simpler and easier in technological implementation, for it transforms original measurement method, which needs measure two amplitude parameters and a phase difference parameter to a method, to measure three parameters with intensity physical unit.
     利用Stockes参数进行偏振光测量,可以使得原本需要对两个方向的振幅(a1,a2)和相位差进行测量的问题转化为对三个都是强度量纲的Stockes参数进行测量,这就使得测量和实现起来变得简单和容易多了。
短句来源
     A new resonant sensor consisting of two resonators of uniform structure and size is presented. The closed loop control system is composed of two amplitude controllers and an inverter.
     提出一种采用双谐振器敏感结构的谐振式传感器,传感器的敏感元件包括两个结构参数一致的谐振器,传感器的闭环控制系统由两个幅度控制器和一个反相器组成.
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  相似匹配句对
     Two.
     二.
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     Two.
     二、末日意识
短句来源
     Comparison Between Two Images of Amplitude and Argument
     梯度幅度图像与幅角图像的比较
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     2.The amplitude of accommodation was equalbetween the two eyes;
     两眼的调节幅度相等;
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     The amplitude was of great variability.
     波幅的正常变异较大。
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  two amplitude
Twenty-two amplitude distributions with approximately regular, visually distinguishable peaks were analyzed.
      
Two amplitude detector circuits-a precision rectifier and an averaging rectifier-were used to test the tuning scheme.
      
Each NNM involves two amplitude parameters.The structure of the NNMs is shown to depart from the generic formin the neighborhood of a 1:1 internal resonance.
      
For p-p scattering the calculation in a three amplitude rescattering eikonal model predicts the survival probability to be an order of magnitude smaller than for the two amplitude case.
      
The phase of the isospin-two amplitude may be modified by .
      
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The phase method for determining the coupled vibration parameters Kx, Kφ, Cx and Cφ of foundations is described in this paper. The mode superposition method was used in general for determining these parameters under certain satisfied conditions, otherwise the two equations of coupled motion cannot be separated into two independent normal mode equations. In the recommended phase method, the four parameters can be determined as long as two phase angles and two amplitudes are measured, and...

The phase method for determining the coupled vibration parameters Kx, Kφ, Cx and Cφ of foundations is described in this paper. The mode superposition method was used in general for determining these parameters under certain satisfied conditions, otherwise the two equations of coupled motion cannot be separated into two independent normal mode equations. In the recommended phase method, the four parameters can be determined as long as two phase angles and two amplitudes are measured, and it would be generally valid, even if the above mentioned conditions are not fulfilled. In this paper, the general formulae are presented. The correctness of which being verified by the fact that the deduced special case agrees well with the usual approximate formulae.

本文阐述了确定基础耦合振动参数K_x、K_(?)、C_x、C_(?)的相位法。这些参数一般采用振型分解法来确定,但必须满足一定条件,否则耦合运动的两个方程就不能分离为两个独立的主振型方程。介绍的相位法不必满足上述条件,只要测得两个相位角和两个振幅便可定出四个参数。文中提出了一般公式,由此推导出的特殊情况其结果与常用的近似公式相符。

In designing a foundation subjected to coupled sliding and rocking vibration, four parameters Kx, K , Cx and C are indispensable. For a long time, designers have often used either the formulae from the half-space theory or other procedures such as the superposition method or approximate one to obtain these parameters. In this paper, the method, called "Phase Method", is presented. According to this new method, the requisite parameters can readily be determined from a small-scale test foundation excited with...

In designing a foundation subjected to coupled sliding and rocking vibration, four parameters Kx, K , Cx and C are indispensable. For a long time, designers have often used either the formulae from the half-space theory or other procedures such as the superposition method or approximate one to obtain these parameters. In this paper, the method, called "Phase Method", is presented. According to this new method, the requisite parameters can readily be determined from a small-scale test foundation excited with a mechanical vibrator provided that two phase angles and two amplitudes are measured. General and simplified formulae are shown. A case history is also described.

在设计经受平移与摇摆耦合振动的基础时,K_x,K_(?),C_x,C_(?)这四个参数是必不可少的。长期以来,为了求得这些参数,设计者每采用半空间理论现成公式,或采用其他一些方法例如振型分解法或近似法(略去阻尼)。本文提出一种旨在求得这些参数的实测方法,名为“相位法”。按此新法,从一个装有激振器的小型试验基础测出两个振幅和两个相位差,便可求得所需参数来。文中展示了一般公式和简化公式,并列举了一个实例。

The behaviour of electrons in a crystal can be described by Sohrodinger's equation for a periodic potential. Up to now, the transfer matrix technique remains one of the best available to solve problems in one dimension. In this paper, a new matrix method called "the characteristic matrix of periodic potential" is introduced. The traditional transfer matrix connects two amplitudes of plane waves or Bloch waves. Instead, the characteristic matrix simply connecting wave functions and their derivates, makes...

The behaviour of electrons in a crystal can be described by Sohrodinger's equation for a periodic potential. Up to now, the transfer matrix technique remains one of the best available to solve problems in one dimension. In this paper, a new matrix method called "the characteristic matrix of periodic potential" is introduced. The traditional transfer matrix connects two amplitudes of plane waves or Bloch waves. Instead, the characteristic matrix simply connecting wave functions and their derivates, makes the evaluation of the elements of characteristic matrix simpler than that of transfer matrix, and makes it more suitable for solving the energy values for complicated potentials in one dimension, especially the periodic potentials.The general properties of the characteristic matrix are discussed in detail. Its determinant is always unity. When the values of electron energy lie inside on the allowed energy bands, both the eigenvalues of the matrix are complex and both their moduli are unity. When the value of energy lies inside one of the forbidden gaps, both the eigenvalues are real, but one of the moduli is greater than unity with the other less than unity. So when the periodic potential is interrupted or partly destroyed, only the eigenvector belonging to eigenvalue of tho lessor modulus can form a finite wave function with a discrete energy level in the forbidden energy gap.Following a unified presentation with emphasis on the eigenvalues and the eigenvectors of the characteristic matrix, we have derived some formulae. They are the general electron-energy expressions for bulk states of infinite and finite crystals, for surface states of semi-infinite and finite crystals, and for impurity and impurity-island states of infinite and finite crystals. The existence conditions and main properties of these states are also discussed in detail. With, these formulae, the problems of finding the energy expressions for all these states are now reduced to the one of finding the elements of the characteristic matrices. The methods to evaluate these elements, including some approximate methods for numerical calculations, have also been introduced.Some applications of these formulae are also presented. For a variety of Kronig-Penney models, we have obtained from these general formulae the same energy expressions as obtained by other authors.

本文介绍了特征矩阵的主要性质及其在一维周期性势场问题中的应用.用统一的观点,系统地讨论了一维无界晶体电子态、半无界晶体表面态、体内及体表杂质态、有界晶体的体电子态及表面态、无界及有界晶体中杂质集团的电子态等问题,并导出了用特征矩阵元表示的这些电子态的比较普适的能级公式.

 
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