时谐的英文

• time harmonic

• "时"英文翻译    shí]
• "谐"英文翻译    in harmony; in accord; in tu ...
• "时谐波" 英文翻译 :    time-harmonic wave
• "时谐光波" 英文翻译 :    time-harmonic light wave
• "时邪" 英文翻译 :    seasonal evil factors; seasonal pathogenic factors; seasonal pathogens
• "时效状态" 英文翻译 :    aged condition
• "时薪" 英文翻译 :    wage
• "时效终止" 英文翻译 :    lapse of time; termination of prescription
• "时薪额" 英文翻译 :    hourly rate of pay
• "时效中止" 英文翻译 :    cease to run; suspension of limitation; suspension of prescription/limitation
• "时薪雇员" 英文翻译 :    hourly-rated employee
• "时效中断，侵占" 英文翻译 :    usurpatio

• The analytical solution of time - harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor is obtained
  求解了球导体中时谐电流元的电磁场解析解。
• The research of nb antenna array is mature , but the research of uwb antenna array is only beginning
  对传统辐射时谐信号的窄带天线阵列的研究已很成熟了，但对超宽带天线阵列的研究，才刚刚起步。
• Based on the fepg system of feijian , the solutions of static electric field , quasi - static electric field and time - harmonic field are researched
  基于飞箭公司fepg系统平台，本论文研究了静电场，准静电场，时谐场的求解问题。
• Before giving the numerical solution , the finite element method and how to make the finite element analysis for 3d time - harmonic electromagnetic fields and 3d eddy - current fields are introduced in detail
  在此之前，详细介绍了有限元方法以及三维时谐电磁场的有限元分析方法和三维涡流场有限元分析的a - ， a法。
• As the first step , a variational function is derived from 3 - d time harmonic field maxwell equations and for x - cut y propagation lithium niobate waveguide , the according variational function can also be gotten by a similar process
  本文首先推导了对于时谐场普遍问题的变分方程，进而对x切y传的铌酸锂波导进行研究。
• To verify analytical solutions , the numerical solution is computed for the problem that an arbitrary time - harmonic current dipole is in a conductive sphere utilizing finite element method and the analytical solution is compared with the numerical solution
  为验证所求电磁场解析解的正确性，利用通用有限元分析软件对导体球中时谐电流元的电磁场解析解作了数值验证。
• In this thesis , studies are made on the problem of time - harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor . the problem is presented in eddy - current nondestructive test and geophysical prospecting . under the condition of magnetic quasi - static state , the boundary - value problem about modified magnetic vector potential is solved and the analytical solution is obtained
  本论文针对涡流无损检测和地球物理勘探领域用到的球导体中时谐电流元的电磁问题做了研究，在磁准静态近似下，求解了修正磁矢量位的边值问题，获得了问题的解析解，并利用通用有限元分析软件做了数值验证。
• First , in virtual of identification of flaws is a typical of in - verse problems , proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation , the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given . second , the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon . finally , indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects , meanwhile , the proof of possibility for near - field measurements and nu - merical simulation are given
  由于缺陷的识别是一类典型的反问题，因而首先从时谐电磁maxwell方程和helmholz方程出发，具体地阐述了求解正散射问题的有关方法，包括各种(夹杂)边界条件下的数值解法，就解的存在性唯一性给予了肯定的回答；随后对逆散射问题的理论作了简短的回顾，包括解的唯一性以及非线性不适定积分方程的处理等；然后对均匀介质和非均匀介质的逆散射问题建立了在各种边界条件下的边界识别的指示函数方法，鉴于近场数据获得的重要性，对近场测试时边界识别的方法给予了相应的证明，并且实现了数值模拟。
• Firstly , in spherical coordinate system , the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived , using reciprocity theorem and transforming relations between special functions . then , selecting appropriate coordinate system , using superposition principle , the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained . finally , by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1 , the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
  首先利用特殊函数间的转化关系和互易定理推导得到了无限大导体空间中球坐标下时谐电流元电磁场的二阶矢量位形式：然后利用叠加原理，选择合适坐标系，求解了导体球中时谐电流元的修正磁矢量位边值问题，得到了问题的解析解；最后依据不同坐标系下电磁场解的转化原理，借助勒让德多项式和n次1阶球谐函数的加法公式，将坐标系特殊安放时的电磁场解析解变换到坐标系一般安放时的解析解，给出了球内电场和球外磁场的并矢格林函数。
• The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial . the relations among the magnetic vector potential , the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one . it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
  利用坐标旋转后球坐标变量间的关系和连带勒让德多项式的性质推导得到了n次1阶球谐函数的加法公式；以递进的方式说明磁矢量位、修正磁矢量位与二阶矢量位的关系，写出了引入二阶矢量位的过程；以时谐场矢量边值问题为例，阐明了不同坐标系下电磁场解的相互转化原理，给出了一个解析解的转化例子；在球坐标下，引入了较球矢量波函数更普遍的两类矢量函数，给出了其在球面上的正交关系。