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辐射问题
相关语句
  radiation problem
     New numerical method on the inverse black body radiation problem
     黑体辐射问题的新数值方法(英文)
短句来源
     Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software;
     综合介绍了边界元法在声辐射问题上的理论及应用; 并给出了运用边界元法分析软件求解振动声辐射问题的过程。
短句来源
     For the radiation problem,we give the method of setting source and calculating input impedance.
     对于辐射问题,给出了设置激励源与计算输入阻抗的方法.
短句来源
     Calculation on the acoustic radiation problem caused by vibrating body by boundary element method using cubic b spline interpolating function
     应用三次B样条函数插值的边界元法计算结构振动声辐射问题
短句来源
     Solution of Combined Conduction and Radiation Problem in Insulating Materials by Using a Two-flux Model
     用双热流模型求解绝热材料中的复合导热辐射问题
短句来源
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  radiation problems
     A modal analysis for the acoustic radiation problems: Ⅱ. Examples
     声辐射问题中的模态分析,Ⅱ.实例
短句来源
     A modal analysis for the acoustic radiation problems:Ⅲ. Reconstruction of acoustic fields
     声辐射问题中的模态分析:Ⅲ.声场重构
短句来源
     Study on EM pulse radiation problems with time domain MEI method
     用MEI方法研究脉冲线源辐射问题
短句来源
     Volakis have studied a series of electromagnetic scattering and radiation problems using hybrid techniques based on edge-based FEM.
     Volakis等应用该方法与其它求解方法相结合的混合技术,分析了一系列电磁散射与辐射问题,使Edge-based FEM得到日益广泛的应用。
短句来源
     Application of Boundary Element Method to Sound Radiation Problems
     边界元方法在声辐射问题中的应用
短句来源
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  “辐射问题”译为未确定词的双语例句
     Research on the electromagnetic radiation in PLC technology
     关于电力线通信(PLC)技术电磁辐射问题的探讨
短句来源
     This paper discusses the electromagnetic radiation parameters in the PLC networks,and the origin and influence of the radiation are analyzed.
     阐述了电力线载波通信参数和存在的电磁辐射问题,并就辐射产生的原因与影响进行了分析与探讨.
短句来源
     In this paper,absorption to net solar radiation of inner surfaces of greenhouse was deduced,and calculation method of air absorptivity inside greenhouse was also given.
     针对温室内存在气体辐射问题,应用辐射相关知识,推导出温室各内表面对太阳净辐射的吸收份额,并给出了温室内气体吸收率的计算方法。
短句来源
     Ffowcs-Williams and Hall were the first to solve the problem of noise radiated from the turbulent flow past a semi-infinite plate of zero thickness at zero angle of attack using this analogy.
     Ffowcs Williams和Hall是第一个研究湍流流过零厚度,零攻角半无限长平板的噪声辐射问题的科学家。 他们仍然是以Lightill声类比方法为理论基础,得出了远场噪声强度与湍流特征速度是五次方的关系。
短句来源
     Semi-Classical Theory of Radiation of Single Frequency
     用半经典理论处理单一频率辐射问题
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  radiation problem
The apparent mass and damping coefficients of the radiation problem and the reflection coefficient of the problem of scattering of an impinging wave by a floating body are calculated.
      
This paper inquires into the feasibility of the solution to the wave diffraction and radiation problem in the case of critical loading.
      
It is shown that the diffraction problem always has a solution while the radiation problem may have no solution.
      
Inverse radiation problem of boundary incident radiation heat flux in semitransparent planar slab with semitransparent boundarie
      
Inverse radiation problem in one-dimensional semitransparent plane-parallel media
      
更多          
  radiation problems
It is thus concluded that scattering problems can be transformed into specific radiation problems where the radiated source of known distribution is located at infinity.
      
A frequency extrapolation technique for computing antenna-platform radiation problems
      
A frequency extrapolation technique is proposed to obtain the broad band radiation patterns of antenna-platform radiation problems.
      
The algorithm is applied to several 2D and 3D antenna-platform radiation problems.
      
By applying the radiation-to-scattering transform, the scattering problem can be considered as the specific radiation problems where the radiated source equivalent to the electromagnetic plane wave is located at infinity.
      
更多          


The radiation of a thin linear monopole antenna of any length erected at the tip and along the axis of a metallic spheroid of any length and eccentricity is analized. The monopole is excited at its base. General expressions for the fields are obtained.

本文分析了竖立在任意长的和任意偏心率的长金属椭球体的顶点上一个与椭球体同轴的并且底馈电的细线形单极子天线的辐射问题,获得了辐射场的普遍表示式。

In this paper, we carry out the theoretical calculation of line widths and energy shifts of spontaneous emission, the decaying oscillating field is taken instead of the free field as the action field. In the calculation the self consistent requirement is imposed.

在本文中,我们对二能级原子的自发辐射问题进行了讨论。我们用原子自发辐射的实际场代替自由场同原子相互作用,并由自洽的条件计算谱线的线宽与原子能级的移位。计算方法也不同于前人的方法。计算的能级移位不出现发散的困难。

Having described shortly the properties of walsh functions and their applications in all respects,it is particularly interested in this paper to analyse the radiation properties of antennas excited by walsh waves.The radiation patterns and directivities of a dipole antenna and antenna arrays excited by sinusoidal and walsh waves are compared.

本文在简单介绍沃尔什函数的特点及其在各方面的应用之后,着重对天线采用沃尔什波辐射的问题进行了分析。对偶极子天线和天线阵列用正弦波和沃尔什波辐射时的方向图和方向性系数进行了比较。

 
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