等效原理

  • 网络equivalence principle;the principle of equivalence
等效原理等效原理
  1. COW实验验证强等效原理的讨论

    Discussing about the cow experiment test the strong equivalence principle

  2. 首先用Maxwell等效原理,计算处于外加场中细胞悬液的平均场。

    First , the average field inside the cell suspensions is calculated according to the Maxwell equivalence principle .

  3. 运用面积等效原理生成SPWM脉冲序列,并将此SPWM波应用于单相逆变电源。

    Using the equivalence principle to generate SPWM pulse , which will be applied to the single-phase inverter power .

  4. 基于等效原理和互易性定理,研究了N个相互平行二维柱体对平面波/高斯波束的电磁散射特性,给出了求解N阶散射场公式。

    Based on the equivalence principle and the reciprocity theorem , the multiple scattering up to Nth-order by N parallel 2-D targets arbitrarily located in a plane wave / Gaussian beam is considered .

  5. 同时在动态条件下研究了聚丙烯腈溶液的动态粘弹性能,通过时温等效原理计算了不同分子量聚丙烯腈溶液的活化能,结果表明聚丙烯腈溶液的表观活化能E。

    This paper also studied the dynamic viscoelastic properties of polyacrylonitrile solutions under dynamic rheological test and calculated activation energy of PAN solutions with different molecular weight by time-temperature equivalence principle .

  6. 根据APF电流控制等效原理,论证了直接补偿法和直接控制法之间的等效关系。电阻混联电路等效化简

    Firstly , the equivalence between directly control and indirectly control for APF is discussed . A simplification equivalent for series-parallel connection resistance circuit

  7. 为了解决这一问题,借助等效原理和互易性定理给出了求解N阶散射场的面积分公式。

    In order to overcome this difficulty , the composite scattering field is studied by employing the technique based on the reciprocity theorem and the equivalence principle and a surface integral solution up to Nth-order is obtained .

  8. 根据场的等效原理将腔体划分为三个规则的区域,每个区域中的场由界面上的磁流所支持,利用格林(Green)函数积分式可得到各个区域中的场。

    According to equivalent principle of field the cavity is divided into three regular regions . The field in each region is supported by proper surface magnetic current density on the common surface and can be expressed as integrals of Green functions .

  9. SVPWM的计算复杂性掩盖了它的本质,故而人们难以建立冲量等面积原理与矢量等效原理之间的内在联系。

    Complicated computation of SVPWM conceals its essence , thus internal relations between pulse area equal principle and equivalent vectors principle are difficult to be established .

  10. 由时温等效原理按Arrhenius移位因子得到基准温度下的拉伸模量主曲线。

    A master curve of tensile modulus is obtained through the equivalence principle of time and temperature , using the Arrhenius shift factor .

  11. 针对基于脉冲密度调制(PDM)控制方式的DC/AC变换器,并根据电路等效原理,建立了PDM变换器的等效电路模型。

    The control strategy of the DC / AC inverter based on Pulse-Density-Modulation ( PDM ) is briefly introduced , and the equivalent circuit of the proposed inverter is modeled in this paper .

  12. 用时-温等效原理(WLF方程)研究短纤维/橡胶复合材料的动态力学性能

    Dynamic properties of short fiber reinforced rubber composites by time-temperature superposition principle

  13. 经过对COW实验的物理意义重新分析,发现COW实验不足以严格验证作为广义相对论基础的强等效原理。

    The physical significance of the COW experiment is discussed in this paper . We don 't think that the COW experiment can strictly test the strong equivalence principle as the foundation of the general relativity .

  14. 对于腔体开口面所在子域,应用等效原理,结合物理光学法(PO)与物理绕射理论(PTD),得到腔体开口面的边界积分方程;

    By applying equivalence principle in combination with PO and PTD , the boundary Integral Equation ( BIE ) on the opening of the first subdomain is established .

  15. 用ANSYS软件分析了接触器用双E型交流电磁铁三维工频磁场,根据交流电磁吸力平均值的直流等效原理,分两步计算了衔铁吸力,利用ANSYS优化设计方法对铁心厚度进行了优化。

    D power-frequency electromagnetic field of an electromagnetic actuator used on AC contactor is analyzed by ANSYS software , and the average magnetic force of its armature is calculated . Optimization of iron core thickness is done by ANSYS optimization method .

  16. 基于能量等效原理,采用三维有限元方法,考虑短纤维位向的随机分布对复合材料弹性模量的影响,利用有限元能量法对δ-Al2O3(Safil)/Al合金复合材料的弹性模量进行了预测。

    Based on the energy equivalence principle , the elastic modulus of Al2O3f / Al composite was predicted by means of the Finite Element Method . In the predicting , the random orientation distribution of short fiber was considered .

  17. 本文基于能量等效原理,采用有限元法和随机统计试验的Monte-Carlo方法相结合的随机分析数值方法,提出了可用于短纤维复合材料刚度预报的有限元随机能量法。

    Based on energy equivalence Principle , a finite element stochastic on-ergy method is presented to predict the mechanical properties of short fiber composite materials . The method is a combined method of the finite ele-ment method with Monte carlo stochastic sampling method .

  18. 基于粘弹性理论和连续介质损伤力学,采用Boltzmann叠加原理和应变能等效原理,建立了具正交各向异性损伤的粘弹性复合材料的本构关系。

    The main results contain as follows : Based on the viscoelastic theory and the continuum damage mechanics , and according to the Boltzmann superposition principle and strain energy equivalence , a constitutive model is established for viscoelastic composites with orthotropic damage .

  19. 脉宽调制技术(PWM)是电压源型逆变器(VSI)的共用及核心技术,总体上讲,它的理论基础可以分为基于时域的冲量等面积原理和基于矢量空间的矢量等效原理。

    The PWM technology is a global technique applied to the control of voltage source inverters ( VSI ), and its basic theory can be classified into the pulse area equal principle based on time and equivalent vectors principle based on space .

  20. 根据热粘弹流变理论和时温等效原理,以广义Maxwell模型模拟高温下熔融光纤玻璃的粘弹特性,建立了光纤耦合器熔融拉锥过程热粘弹数值分析模型;

    Based on thermal rheological theory and time-temperature equivalent principle , the generalized Maxwell model was used to simulate viscoelastic characteristic of fused optical fiber glass . The thermal viscoelastic model of fiber coupler in the process of fused biconical taper was set up .

  21. 首先利用等效原理将原问题转化为不同区域的等效问题,然后采用RWG基函数结合离散复镜像法在空域对等效问题进行全波分析。

    With the discrete complex images method ( DCIM ) and RWG basis functions , we can give a full-wave analysis of equivalence problems in the spatial domain without the Sommerfeld integrals .

  22. 采用快速多极子法(FMM)加速后的矩量法(MoM)求解由电磁场等效原理导出的关于均匀介质柱表面等效电磁流的积分方程,进而计算其电磁散射特性。

    The method of moments is accelerated by the fast multipole method ( FMM ) and applied to solve the integral equation with respect to the equivalent currents on the surface of a dielectric cylinder , and then the electromagnetic scattering analysis of the dielectric cylinder .

  23. 利用时间-温度等效原理,通过平移叠加得到了温度为20℃,松弛时间从10-3~104h的应力松弛模量主曲线;

    Based on the principle of equivalent , the master curve of stress relaxation modulus , which covered the range of 10 - 3 ~ 10 4 hours at 20 ℃, for UPVC was obtained by using superposition .

  24. 双折射的等效原理在激光散光法中的应用

    Application of birefringence equivalence principle in laser scattered light method

  25. 扩充了相对论的等效原理。

    The equivalence principle of general relativity is also advanced .

  26. 面积等效原理的新型多电平变换器控制算法

    Novel Control Algorithm of Multilevel Inverter Based on Equivalent Area

  27. 岩石时-温等效原理的理论与实验研究&第二部分:岩石时-温等效原理主曲线与移位因子

    Theoretical and experimental study on time-temperature equivalent principle for rock

  28. 应用等效原理对惯性力的分析

    Analysis on the inertia force by principle of equal effects

  29. 基于体等效原理的二维介质柱微波成像研究

    Microwave Imaging of Dielectric Cylinder Based on Volume Equivalence Principle

  30. 应用等效原理求缝隙天线场分布

    Analysis of Field Distribution for Slot Antennas by Equivalence Principle