本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。
In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.
本文对局部法作了一些改进，例如引进了由局部多轴应力状态引起的流变障碍及应力梯度的影响。
In this paper new ideas and improvements to the local approach are introduced, for instance yield locking by locally multi axial stress state and the effects of the stress gradient.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
基于梯度塑性理论，考虑了应变局部化，提出单轴拉伸条件下岩样全程应力—应变曲线解析解。
Analytical solution of complete stress-strain curve of rock specimen in uniaxial tension is proposed based on gradient-dependent plasticity considering strain localization initiated at peak strength.
理论研究表明，金属基梯度复合材料（MMGC）各组分性能的差异使其在拉伸变形时产生了三轴应力。
T he results of the basic research show that a tri-axial stress will be produced in the tensile specimens because of components property difference of the metal matrix gradient composites (MMGC).
本文研究一种等折射率面为旋转抛物面的梯度折射率纤维的光线传播和近轴成像特性。
The ray propagating and paraxial imaging characteristics of a GRIN fiber lens with constant refractive-index surfaces of revolution paraboloids are studied.
DCA排序结果表明，第一轴反映了光照梯度，第二轴反映了水分梯度。
The results of DCA suggested the first axis showed light gradients and the second axis reflected humidity gradients.
根据梯度分析的结果，提出环渤海经济圈城市之间的经济合作可以采取双核—圈层—轴带的模式。
According to gradient analysis results, proposes that the economic cooperation among the cities in Bohai sea surrounding economic circle can take dual-core, circle, axis pattern.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
对该模型施加适当的约束和载荷，通过预前共轭梯度法，计算得到了轴类零件在常见工况-弯曲和扭转载荷作用下的位移、应力、应变等力学特性。
Results of displacement, stress and strain of the shaft under the common loads of bend and torsion are obtained by Pre-condition conjugate gradient method.
DCA排序第一轴反映土壤含水量梯度，第二轴反映土壤类型的变化。
The first axis in the ordination by DCA expressed the gradient of soil moisture while its second axis depicted the changes of soil types.
采用预处理共轭梯度法求解多轴阶比，实现了邻近和交叉阶比分量的解耦提取。
It allows beat free extraction of close and crossing orders in systems with multiple shafts using Preconditioned Conjugate Gradient (PCG) method.
分别对传统轴棱锥、开诺全息型轴棱锥、椭圆轴棱锥和梯度轴棱锥的特性进行相关的模拟分析。
The characteristics of traditional axicon, kinoform-axicon, elliptical axicon and gradient-axicon were simulated and analyzed respectively.
本文研究了一种类锥形梯度折射率纤维的光线传播特性和近轴成象规律。
The ray propagation and paraxial image characteristics of a taper-like GRIN fiber is studied in this paper.
本文采用等效锥形的方法研究了一种类锥形发散梯度折射率纤维的近轴成象，这种方法计算方便，且有一定的适用性。
The image of a taper-like defocusing GIRN fiber lens is studied by the method of "equivalent taper. " This method is easy to be used to calculate the gaussian parameters, and of some applicability.
本文将在均匀球粒子GOA方法的基础上，系统研究梯度折射率球粒子对平面波和在轴高斯波束散射的GOA方法；
The geometrical optics rainbow angles are studied on the base of ray tracing and GOA of plane wave scattering by infinite eccentric cylinder is derived.
本文将在均匀球粒子GOA方法的基础上，系统研究梯度折射率球粒子对平面波和在轴高斯波束散射的GOA方法；
The geometrical optics rainbow angles are studied on the base of ray tracing and GOA of plane wave scattering by infinite eccentric cylinder is derived.
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