针对等离子体X射线成像诊断高空间分辨率的需求,本文提出了一种基于超环面石英晶体衍射聚焦元件的钛靶X射线高分辨率聚焦成像结构,......

通常情况下,激光光束经过散射介质后会产生无序的散斑。基于波前相位调制技术,利用连续序列算法结合四步相移法对入射激光的波面进......

提出一种光透过散射介质的散斑恢复算法,可实现大视场任意位置的聚焦。通过仿真模拟光路测量散射介质的传输矩阵并进行二值化处理,......

根据Zernike多项式的第四项系数q4和Seidel像差Focus项的对应关系，选用Zernike多项式第四项的系数q4的值作为激光干涉仪法定焦的判......

由于多重散射的影响，当激光光束经过散射介质(例如牛奶、生物组织等)之后将形成散斑。如何调制激光光束，使其经过散射介质之后能实现......

基于光学传输矩阵实现透过散射介质进行聚焦和成像是近年来光学领域的研究热点。为了测量得到散射介质的光学传输矩阵，并利用光学传......

研究了基于腔外螺旋相位调制获取高峰值功率飞秒准径向偏振光的方法, 结果表明该方法所产生的并非完全纯净的径向偏振光, 其径向分......

【Abstract】The United States and China are two main leading economies in the world， and the trade volume continues to in......

At a time when politics is more furious and fragmented than ever， when technology is colonizing our everyday existence， wh......

It is found that there is an upper-limit critical power for self-guided propagation of intense lasers in plasma in addit......

The work presented in this paper is a study of output temporal contrast degradation by near-field quality deterioration,......

Aim: To investigate the androgen receptor (AR) isoform expressions in human prostatic cancer tissue and LNCaPcell line.......

Over the past decades,mathematics instruction hasundergone a“reform”movement that emphasizes criticalthinking,communi......

Unbalanced with its rapid development in urban construction and economy,China’s social development is lagging behind a ......

Glacier-lake outburst debris flow(GLODF),unique in high altitude mountains where modern glacier is active,is significant......

1. Who is HUAWEI? HUAWEI Corporation is a leading provider of information and communication solutions in the world. By f......

导读：5月8日是法国a的胜利日，每年的这天举国同庆，纪念二战结束。　　Victory Day is a holiday to celebrate the end of World War ......

互联网的发展在拉近了人与人之间的距离的同时，也将大家的时间碎片化了，而且这种碎片化的趋势在不断增强。如何在有限的时间内提高阅......

this paper mainly illustrates different standards in classifying euphemistic expressions,focusing on various points of v......

accepts J. V. Stalin’s Marxist definition of nation, but disagrees with his inference that a nation could not be forme......

Breast cancer is one of the leading causes of death in women today. Some of the patients are hereditary, with a large pr......

KONUS beam dynamics design of uranium DTL with LORASR code is presented. The238U34+beam,whose current is 5.0 emA, is acc......

A superconducting focusing solenoid has been designed and developed for the China Accelerator Driven System(CADS).In ord......

Development zones have been an important spatial approach to promoting economic development since China’s reform and op......

To estimate the angle of arrivals (AOA) of wideband chirp sources, a new time-frequency algorithm is proposed. In this m......

In this paper,a focusing approach is presented to widen the use of efficient monostatic imaging algorithms for azimuth-i......

In order to develop the acoustic keyboard for Personal Computer(PC),it is necessary to seek high-precision near-field so......

根据广义Snell反射定律,相位梯度超表面可在其表面形成额外的平行波矢分量,从而对电磁波的反射进行调控。如果构成反射超表面单元......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The purpose of this paper is to present a comparison between the modified nonlinear Schr(o)dinger (MNLS) equation and th......