Abstract:During the process of checking one of the students’ composition, the author applies the field, tenor, and mode......

【Abstract】For centuries， philosophers have been dedicating to discovering what is the “truth”， for which they came out......

It is given mathematical models and analyze the performance of polarizers and coupler in an all polarization maintaining......

An effective method of multiple input multiple output (MIMO) radar weak target detection is proposed based on the Hough ......

For the purpose of investigating the turbulent and spatial coherent characteristics of strong wind during typhoon landin......

The creep properties of optical fiber used in fiber optical sensors were studied in this paper. A low co- herent white l......

A novel scalable architecture for coherent beam combining with hybrid phase control involving passive phasing and active......

We demonstrate coherent beam combining of two tiled-aperture single-frequency fibre amplifiers with a total output power......

We present a flat-top laser beam generation scheme using coherent beam combining of hexagonally arranged Gaussian lasers......

Gyrotrons are high powered coherent electromagnetic radiation sources, and are considered to be available powerful sourc......

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Array size scaling of passive coherent beam combination is explored theoretically. The Strehl ratio variation with wavel......

We demonstrate an indoor 5 m free-space optical wireless coherent communication in mid L-band(1606.7 nm)by employing a t......

Photoconductive switches were the key components that allowed the generation and detection of coherent broadband electro......

We investigate how displaced thermal states(DTSs) evolve in a laser channel. Remarkably, the initial DTS, an example of ......

The properties of a series of phase measurement techniques,including interferometry,the Hartmann–Shack wavefront sensor......

【Abstract】Lexical repetition， as a cohesive device of an English text， can help make up a cohesive and coherent text. Th......

【Abstract】Lexical collocation ， as a cohesive device of an English text， is helpful to make up a cohesive and coherent t......

In modern radar techniques, pulse signal can be replaced by the chirps, which is taken to be signals in Lp space. Wigner......

【Abstract】English advertisement which can be traced back to the medieval times has played a very important role in hum......

Estimation of Signal Parameters via Rotational Invariance Technique(ESPRIT) algorithm can estimate Direction-Of-Arrival(......

A 1 064-nm pulsed coherent Doppler lidar (CDL) prototype is developed to measure short range wind speed in the lower alt......

A novel scheme employing low-density parity-check (LDPC) codes in atmospheric optical communication system is proposed. ......

An efficient channel estimation method called time-domain weighted average(TWA) algorithm is proposed for coherent optic......

We present an extra processing added to conventional least square(LS) channel estimation to further improve its performa......

In this paper, we theoretically prove that the Gaussian quantum discord state of optical field can be used to complete c......

Compared with full device-independent quantum key distribution(DI-QKD), one-side device-independent QKD(1s DI-QKD) needs......

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......

This paper put forward a new-type vortex generator enhancing heat exchange of solar air-drier and air-heater on the gas ......

针对更为广泛的空间相关噪声背景下相干信源的DOA估计问题,提出了一种对角加载的改进空间差分平滑(diagonal loading-improved spa......

相位漂移一直是相干光通信系统实施过程中需克服的关键问题之一。在弄清了该问题的根本原因后，给出了一个自动补偿算法，用于减轻相位......

利用相空间多次重构的混沌映射，为相干方式的混沌数字通信问题提供一种解决方案。新映射产生的混沌码序列性能更加优异，自相关性明显......

Using the idea of general resonant triad of the hydrodynamic stability, the theoretical models for coherent structures i......

Generation of intense,fully coherent radiation with wide spectral coverage has been a long-standing challenge for laser ......

针对传统的空间谱估计算法对相干源的波达方向(DOA)估计会失效的问题,该文在利用信号子空间特征向量生成广义特征值(G enera lized......

该文研究了高斯杂波背景下相干雷达极化自适应检测问题。利用雷达回波的极化信息来提高检测性能。提出了一种基于杂波模型的极化自......

影响我国学生英语写作水平的一个主要原因是学生不能得体正确地运用语篇衔接手段，这主要源于英汉在语篇衔接手段方面的差异。本文探......

利用相干态和正规乘积对一类微扰项H'=λX1为的非谐振子进行了讨论,得到了H'矩阵元的精确解和对非谐振子能级的一级修正值......

相干对不连续体非常敏感,可以很客观细致的对断层、裂缝预测,而基于小波变换的相干数据体检测方法是利用小波变换和相干同时对数据......

针对相关信号空间平滑算法中阵列孔径损失的问题，提出了一种有效的去相关算法。该算法将直接数据快拍及其共轭反置矩阵构造一新的矩......

大多数子空间类谱估计算法,需要预先估计信源个数,当信号源相干或强相关时,常规的信源数检测算法不能提供准确的信源数信息。为了......

本文试从认知世界的角度对语篇连贯进行分析,阐述了语篇理解的过程实质是当听话者具有跟语篇相联系的认知储备,并可以在理解语篇的......

本文概述了一种新型X线成像技术-X线相干散射CT成像技术的原理和在医学中的应用....

折射波等相干噪音严重影响子波处理、速度分析与动校正，应在叠前予以消除．本文提出了一种利用频域自适应滤波的方法，在叠前将变换到频......

探测大气CO2浓度对气候环境的研究具有重要意义。采用相干探测较非相干探测具有更高的信噪比。目前1．5μm波长由于在人眼安全、系统......

空间分辨率是衡量相干反斯托克斯拉曼散射（coherent anti-stokes Raman scattering，CARS）显微成像系统性能的一个重要指标．选择直径为1......

光载波雷达（Lidar．Radar）是一种新型体制的激光雷达，它采用激光拍频产生的射频信号作为探测媒介，在保证激光探测的高空间分辨力优点的同......

大学商务英语课程设计与学生商务英语语言能力的培养息息相关。本文在分析大学商务英语课程教学目标的基础上,提出课程设计要基于......

以平板边界层流动的Blasius解作为基本流场,利用直接数值模拟方法求解三维不可压缩N-S方程,研究了边界层中单个周期壁面局部微振动......

雷达信号中的多普勒变化率信息的估计可以获得运动目标的加速度信息.但由于这一信息非常微弱,且脉冲信号的持续时间很短,多普勒变......