ring focusing

The ring focusing system for laser propulsion is proposed.

设计了激光推进环聚焦系统,在考虑入射激光束与光船聚焦系统主轴偏离情况下,建立研究环聚焦性能的数学模型,并数值模拟研究了环形"点火"线的形状、大小、能流密度以及点火区域空间特性。

The ring focusing optical system was designed,also the effects of reflection mirror s surface coarseness were considered.

设计了环聚焦光学系统,考虑反射镜表面粗糙度对聚焦性能的影响,利用"光线追踪法"建立了研究环形"点火"线形状、大小以及能流密度的数学模型。

Forming and suppression of self-focusing ring for circle symmetric super-Gaussian beam;

圆对称超高斯光束自聚焦环的形成与抑制

In this work, the self-focusing ring originated from a rotation symmetric super-Gaussian beam (RSSGB) incident on the Nd∶glass medium is described in detail, with the aid of the numerical solution to the nonlinear paraxial wave equation.

通过数值求解非线性近轴波方程 ,详细描述了在钕玻璃介质中传输的强激光圆对称超高斯光束形成的自聚焦环 ,并展示了初始光束受到扰动引起环分裂的现象。

When a CSSGLB with initial perturbations travelling in this medium, the self-focusing rings are to be broken up and form high intense filaments.

通过数值求解非线性薛定谔方程 ,详细描述了圆对称超高斯光束在 Nd:glass介质中传输形成的自聚焦环。

Slope error and aberration analysis for XRDX beamline toroidal focusing mirror;

X射线衍射和散射光束线环面聚焦镜的面形精度与像差分析

classroom anxiety can be classified into trait anxiety and situation anxiety.

课堂焦虑感可以分为性格型焦虑和环境型焦虑。

Adjust the focus ring on the projection lens

调节投影镜头上的聚焦环

epoxy pouring sealant for high-voltage focusing potentiometer

高压聚焦电位器环氧灌封胶

Optical Trapping Technology and Study on the Focusing Properties of Annular Laser Beam;

激光捕获技术及环形光束的聚焦特性研究

An Ecological View in Children Research:with focus on developmental contexts of Chinese children;

走向生态化的儿童研究:聚焦中国儿童成长环境

Transmission of foil-focused relativistic annular electron beam in coaxial cylindrical waveguide

箔聚焦强流相对论环形束在同轴波导中的传输

Time reversal is a unique self-focusing technique for spatial and temporal focusing of sound in unknown environments.

【中英文摘要】时反法是一种新颖的自适应聚焦技术,它可以使声信号在未知环境下实现时空聚焦。

Direction-of-Arrival Estimation for Wideband Cyclostationary Signals Basing on Multi-Cycle Focusing

基于多循环频率聚焦的宽带循环平稳信号阵列测向方法

autofocus zoom lens

自动聚焦变焦距镜头

To adjust or come to a focus.

使聚焦调整或达到焦点

focus-coil assembly

电磁聚焦组件;聚焦线圈系统;聚焦线圈系统

(of an image) not in or brought into focus.

（指图像）没有聚焦。

Studies on Influence of Laser Focus and Environment Parameters on Mechanical Effect of Laser Plasma Shock Wave;

聚焦和环境参数对激光等离子体冲击波力学效应影响的研究

The Improvement of Cervical Environment after the Treatment of Chronic Cervicitis with High-intensity Focused Ultrasound in Infertility Women;

高频聚焦超声治疗对慢性宫颈炎患者宫颈局部微环境的影响

The Empirical Study of Pancreatic Microcirculation of Rats with Acute Pancreatitis by Confocal Lase Endoscope;

激光共聚焦内窥镜对大鼠急性胰腺炎微循环的实验研究

Preemptive FOF in Meaning-Focused EFL Lessons--A Case Study on Experienced EFL Teachers;

意义为中心EFL课堂环境下先导式形式聚焦教学探究——个案研究

Focusing Properties of Non-uniformly Polarized Beams through an Astigmatic Lens with Annular Aperture

非均匀偏振光束通过环状光阑像散透镜的聚焦特性

Diffraction,reflection and focusing of toroidal shock waves

环形激波绕射、反射和聚焦流场的间断有限元模拟

Multi-focus Image Fusion Based on Automatic Focus Algorithm

基于自动聚焦算法的多聚焦图像融合