temporal coherence是什么意思

网络释义

用法例句

The influence of light source dimension on spatial coherence and spectrum on temporal coherence was separately discussed by Young s interference experiment.

通过杨氏双缝干涉实验,分别讨论了光源线度对空间相干性的影响和光源频谱对时间相干性的影响,得出光源线度和谱宽与光场相干性之间的关系。

The spatial coherence of expanded light source is due to the correlation between different lightening parts, and the temporal coherence is due to the correlation between the values of a wave at two different times.

空间相干性问题来源于扩展光源不同部分发光的独立性,表现在波场横向相干范围;时间相干性来源于光源发光过程在时间上的断续性,表现在波场的纵向相干范围。

This paper first introduces basic physical quantity of coherence and discusses temporal coherence starting from Michael interfering experiment.

本文给出了描述光场相干性的基本物理量,从迈克尔逊干涉实验出发,讨论了时间相干性;以矩形谱线的光源为例,计算了时间相干度,简要介绍了傅里叶变换光谱学原理。

An experimental system for investigating the time coherence of light and Fourier transform spectrum analyzing has been built,which can collect the real-time interference signals of various illuminants such as He-Ne laser,natrium lamp and incandescent lamp on Michelson interferometer.

构建了一套改进的光的时间相干性以及傅里叶光谱分析实验系统,该系统利用光机电以及计算机软件编程技术,实时采集以He-Ne激光器、钠光灯和白炽灯为代表的各种光源在迈克耳孙干涉仪上产生的干涉条纹信号,将得到的光信号经光电倍增管转换为电信号进入电路系统,经滤波、A/D转换后,再输送到计算机进行傅里叶变换以及频谱分析。

The mathematical analysis of time coherence of optical waves is carried out from the statistical characteristic of optical field, thus finding out the relation of the corresponding function of time coherence to the quanlity and revealing that the regularity of statistical theory of light is more universal than that of classical theory.

从光场的统计性质出发，对光波的时间相干性进行数学分析，找出和时间相干性对应的函数及量值间的关系，从而揭示出光的统计理论比经典理论具有更普遍的规律性。

Based on the approximate descriptions between the frequency-width Δν and coherent τc time about light source time-coherence by using Newton iterative method, the more precise relations is derived between them.

针对光源时间相干性中频谱线宽Δν与相干时间τc的关系(Δν≈τc)的粗略表达,运用牛顿迭代法对两者的关系进行了较精确的推导,并对其误差及范围进行了讨论。

Computer simulates and analyzes the temporal coherence of light of equal inclination interference;

等倾干涉的时间相干性有别于等厚干涉的时间相干性,其干涉条纹可见度与面光源的入射角有直接的关系,通过计算机绘制的可见度与入射角对应的关系图形,分析了光源的非单色性对等倾干涉条纹可见度的影响并将研究范围扩充到多个周期,对光的时间相干性理论作了进一步的补充。

The coherence time measurement of laser pulse was studied by using counter running pump probe technique in two photon absorption materials.

研究了利用反向泵浦－探测双光子吸收材料的方法来测量脉冲激光的相干时间，并测量量了２３ｐｓ、５３２ｎｍＮｄＹＡＧ激光脉冲的相干时间。

The design of air-ground communication can be affected by the elevation angle of antenna of ground station and the parameters including the condition of multi-path fading,distribution of multi-path delay,fading rate and coherence time etc.

地空信道中引入的多径衰落情况、多径时延的分布、衰落速率、相干时间等参数以及地面站天线仰角等均会直接影响地空通信系统设计,为达到平稳传输效果,在系统设计之初,必须对相应的信道特征有比较明确的了解,以便采取相应的抗多径、抗遮挡措施。

Then the temporal coherence of a laser source is analysed in particular.

最后着重讨论了激光源的时间相干性。

In this article, we deal with some problems on the measurement of temporal coherence.

本文讨论了关于度量时间相干性的问题。

Admittedly the term temporal coherence seems to imply an effect which is exclusively temporal

显然，时间相干性这个术语似乎意味着一种只属于时间的效应。

The Research on Correlation of the Expression of IFN-γ and ICAM-1 in Rats with Cerebral Ischemia;

脑缺血时干扰素γ与细胞间粘附分子-1表达的相关性研究

Influence of Turbulence on Spatial Correlation Properties of Partially Coherent Annular Beams

湍流对部分相干环状光束空间相干性的影响

The Estimation of MIMO Channel and Research of Spatial Correlation;

MIMO信道估计及空间相干性研究

Some Convexities of Banach Space and Their Correlations;

Banach空间若干凸性及相互关系

Interstitial pneumonia associated with interferon and ribavirin

干扰素和利巴韦林相关的间质性肺炎

Study on the Spatial Correlation Property and Directionality of Partially Coherent Beams Propagating Through Atmospheric Turbulence

部分相干光通过湍流大气传输的空间相干性及方向性研究

The Distance Between Two Multi-mode Coherent States;

两个任意多模相干量子光场之间的相似特性

Minimum heating time is over 50% less than that of traditional vacuum drying oven.

最短加热时间，与传统真空干燥箱相比加热时间减少50%以上。

The basic characteristics for variation of the volumetric deformations of dry sand with the input acceleration for different duration of vibratory motion and the corresponding limits are preseuted.

文中给出了不同振动时间的干砂体积变形随振动加速度变化的基本特性及相应的界限值。

The Theoretical Analyses of Spatially Incoherent Solitons & the Propagation Characteristics of Incoherent Vector Beams;

非相干空间光孤子的理论研究及非相干矢量光束的传播演化特性

This mechanism sometimes leads to an interference between groups of organisms.

这种机理有时引起生物群体之间的相互干扰。

Limited Feedback Approach in Beamforming System over Temporally-correlated Channels

时间相干信道下波束赋形系统的有限反馈方法

Preliminary Analysis on the Relativities Between Some Characters of the Apricot (Prunus armeniaca) Seedlings

杏实生树若干性状间相关性的初步分析

Problems Related to Orthogonalities in Normed Linear Spaces;

赋范线性空间中与正交性相关的若干问题

Two-level Atom s Decoherence Vanishing from Sight in the Big Detuning Interaction of Atom with Thermal Radiation Field;

大失谐相互作用时两能级原子消相干性的消除