查询词典 wavefront

In this method, fast Fourier transform is used as a converter between wavefront and its corresponding plane wave spectral.

在波前合成方面，本文根据傅立叶光学中平面波谱传播理论，给出了一种适合于平面波前的快速变换方法。

Using two symmetrical plano-convex lens system to fabricate grating was analyzed and the characteristic of diffraction wavefront aberration of the grating was summarized by ray tracing program using MATLAB siftware.

分析使用两个对称的单平凸透镜光路制作光栅并用MATLAB编写光线追迹程序分析了所制作的光栅的衍射波像差的特点，经计算得出在较小焦比D/F情况下其衍射波像差仅与两支光路点光源的调节偏差之差有关与单独的各个偏差无关；初级像差中球差很小几乎可忽略：彗差仅与垂轴调节偏差之差成线性关系；像散仅与轴向调节偏差之差成正比；且当平凸透镜的焦比D/F增大时，各像差项迅速增大。

The finite-difference method of calculation on primary wave traveltime based on any rectangular grid and a local plane wavefront approximation has high precision and can apply to complex media with violent velocity variation.

基于任意矩形网格和局部平面波前近似的有限差分初至波走时计算方法精度较高并适用于强纵横向变速的复杂介质。

In AO system,Wavefrontsensor is one of the most important component among three prime parts forming closed loopsystem,which acts as wavefront phase error detector.

在成像自适应光学系统里共同构成闭环反馈回路的三大部分中，波前传感器担当波前误差传感的作用。

The process can be visualized as a wavefront being reflected back and forth between the two ends of the laser, picking up more photons with each reflection.

这过程可以想象波阵面在两个激光终端来回反射，伴随每一次反射集聚更多的光子。

The reflected wavefront arrives at the point X at time t=(2L-x)/C.

反射波前在 t＝2L－x／c。时到达X点。

A new method of wavefront fitting based on regression analysis of normal equation is proposed using Zernike polynomial s.

介绍了一种干涉波面的Zernike多项式拟合方法，该方法从构造的正规方程入手并对其进行逐步回归分析，从众多的Zernike多项式模式中选取影响显著的模式。

SABT can gain the time series of optical aberrations on the relative large aperture, advances the temporal and spatial information of optical wavefront aberration.

SABT能得到较大孔径上的光学畸变的时间序列，给出光波前畸变的时间及空间信息。

The SEIDEL coefficients solved by wavefront fitting with Zernike annular polynomial and Zernike circular polynomial were compared.

比较对于不同遮拦比的环孔径波面采用Zernike环多项式拟合与采用Zernike圆多项式拟合求取SEIDEL系数的差别。

We propose the mirror-image decomposition of dependence graph to solve the parallelization of self-dependent Field-Loops, which has been an unsolvable problem in traditional methods, and realize both the wavefront and pipelined execution of selfdependent Field-Loops.

本文提出的相关图镜像分解技术解决了传统技术无法处理的自相关场循环的并行化问题，成功实现了自相关场循环的波前并行和流水并行。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。