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部分相干光     
相关语句
  partially coherent light
     Study of partially coherent light defocused image plane speckle photography
     部分相干光离焦像面散斑照相法研究
短句来源
     An expression for logarithmic light intensity fluctuation variance of partially coherent light passing through atmospheric turbulence is derived by using Andrews scintillation model on the basis of Rytov variance.
     在Rytov方差的基础上,利用Andrews的唯像闪烁模型,推导出部分相干光通过强大气湍流后其对数光强起伏方差的公式,并用此公式对部分相干光通过强湍流后给光强闪烁造成的影响进行了仿真。
短句来源
     Fresnel diffraction of the grating illuminated with the polychromatic light source is theoretically analyzed with the theory of partially coherent light, and the general formula of the diffraction intensity of the grating is obtained. This formula is applicable to any kind of illuminance pulsed or CW. The theoretic results show that the average diffractive intensity distributions of the grating illuminated by the different source with the same spectrum are the same.
     利用部分相干光理论对多色光源照明下光栅的菲涅耳衍射进行了理论分析 ,得到了适用于任意发光类型(脉冲或连续发光 )的多色光源的衍射光强的一般公式 ,理论结果表明菲涅耳衍射区的平均衍射光强的形式只与光源的频谱分布有关 ,这对借助于连续发光光源来研究脉冲光源照明下光栅的塔尔博特效应以及用来确定脉冲光源的性能参量提供了有力的参考依据。
短句来源
     Explaining Lau Effect with the Principle of Interference of Partially Coherent Light
     Lau效应的部分相干光理论的解释
短句来源
     This paper deals with the influence of turbulence on t he spectral shift of the Gaussian Schell-model (GSM) beam, which is taken as a typical example of partially coherent light.
     以高斯谢尔模型(GSM)光束作为部分相干光的典型例子,研究湍流对高斯谢尔模型光束光谱移动的影响。
短句来源
更多       
  partially coherent beams
     A Fast Algorithm for the Propagation of Partially Coherent Beams througha Multiple Hard-Edged Apertured ABCD Optical System
     部分相干光通过多个硬边光阑ABCD光学系统传输的快速算法
短句来源
     Based on the extended Huygens-Fresnel principle, we studied the properties of propagation of partially coherent beams in turbulent atmosphere.
     扰动大气中的光传输一直是一个研究热点。 本文利用推广的Huygens-Fresnel原理,研究了部分相干光在扰动大气中的传输特性。
     Considering of the complex wave number,the second-order intensity moments and the M~2-factor of partially coherent beams have been modified.
     在波数K为复数的情况下,对部分相干光强度二阶矩及M2因子的定义进行了修正。
短句来源
     Study on the Spreading of Partially Coherent Beams in Turbulent Atmosphere by Using Incoherent Superposition Method
     用非相干叠加法研究部分相干光在湍流大气中的光束扩展
短句来源
     In this paper, by using the method of expanding the hard-edge aperture function into a finite sum of complex Gaussian functions, the recurrence propagation expression for the propagation of partially coherent beams through a multiple apertured ABCD optical system is derived, which provides a fast algorithm for simulating the propagation of partially coherent beams through hard-aperture optics.
     用有限个复高斯函数之和来逼近硬边光阑窗函数的方法 ,推导出了部分相干光通过多个硬边光阑ABCD光学系统传输的递推公式 ,提供了一种模拟部分相干光通过硬边光学系统传输的快速算法。
短句来源
更多       
  partial coherent light
     The Partial Coherent Light Theory of White light Speckle and Its Applications
     白光散斑的部分相干光理论及其应用
短句来源
     The moire interferometry of partial coherent light is applied to measure the displacement field for composite joints with a pinhole.
     介绍采用部分相干光云纹干涉法测定复合材料单销钉连接件的位移场,从位移云纹图求得应变场和应力场。
短句来源
     Based on the propagated law of the mutual intensity with the partial coherent light (GSM), the characteristics of the irradiance distribution in Young's experiment are investigated with GSM.
     基于部分相干光(GSM)互强度传播规律研究了部分相干光杨氏双缝干涉光强分布特点。
     The partial coherent light diffraction theory is applied to determine the X- ray inten- sity distribution on the soft X- ray CCD camera. Analysis shows that the spectral resolution is better than 0 .0 5 nm over the spectral range of 1 .4~ 1 2 nm,which is successfully demon- strated in the relevant experiments.
     应用部分相干光衍射理论 ,研究了该谱仪成像面上的光强分布和光谱分辩率 ,在 1.4~ 12 nm的摄谱范围内光谱的分辨率为 0 .0 5nm,与实验符合得很好。
短句来源
     MEASUREMENT OF STRESSES FOR COMPOSITE JOINTS USING THE MOIRE INTERFEROMETRY OF PARTIAL COHERENT LIGHT
     部分相干光云纹干涉法测定复合材料连接件应力场
短句来源
更多       
  partially coherent beam
     Characteristics of self-trapping of partially coherent beam
     部分相干光光束的振荡自陷特性
短句来源
     The spatial variation period of the beam is obtained. And we find that the transverse coherence property of the partially coherent beam evolves periodically with the distance. Our analysis can also be etended to the elliptical partially coherent beam.
     光束的初态及材料的非线性决定了光束自陷的变化形式 ,导出空间周期表达式 ,获得了光束相干半径的解析表达式 ,发现部分相干光光束的相干特性会随传播距离发生周期性的演化 ,并将圆形光束的讨论结果扩展到椭圆形光束中 .
短句来源
     On the basis of Rytov variance, the log-intensity variance when partially coherent beam goes through strong turbulenc with Andrews model is deduced .
     在 Rytov方差的基础上 ,利用Andrews的唯像闪烁模型 ,推导出部分相干光通过强大气湍流后的对数光强起伏方差 ,并在此基础上进行了仿真。
短句来源
     The Gaussian Schell-model(GSM) beam is taken as a typical example of partially coherent beam, the spreading of partially coherent beam in turbulent atmosphere is studied.
     以高斯谢尔模型(GSM)光束作为部分相干光的典型例子,研究了部分相干光在湍流大气中的光束扩展.
短句来源

 

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      partially coherent light
    The length and the time of coherent ("free") path of the wave train are considered as new spatial and temporal scales of a partially coherent light field.
          
    We analyze the influence of a weak phase modulation of multiply scattered partially coherent light fields on the variance of fluctuations of the scattered field intensity.
          
    Depolarization of partially coherent light in liquid crystals
          
    In the paper we present results of analysis of partially coherent light depolarization in two types of liquid crystals possessing linear birefringence controlled by temperature and external electric field changes.
          
    On the production of photon-anticorrelation effects in a degenerate parametric amplifier by means of partially coherent light fi
          
    更多          
      partially coherent beams
    Depending on the size of the light source the edges of a slit are illuminated by either coherent or incoherent or partially coherent beams.
          
    Photorefractive mutually pumped phase conjugation with partially coherent beams
          
    Rotation of partially coherent beams propagating through free space
          
    Third- and fourth-order parametric characterization of partially coherent beams propagating throughABCD optical systems
          
    Frequency doubling of convergent and partially coherent beams of light
          
    更多          
      partial coherent light
    Measuring displacement fields of curved surface by moire interferometry of partial coherent light
          
    This paper presents a method to measure the in-plane displacement fields of curved surface by moire interferometry of partial coherent light.
          
      partially coherent beam
    The recent progresses on the propagation, generation and application of partially coherent beam (PCB) are reviewed in this paper.
          
    The orientation of a general partially coherent beam is described by introducing two pairs of orthogonal axes defined in terms of the second-order coherence features of the field.
          
    The change of the width for a partially coherent beam on paraxial propagation.
          


    The paper describes degrees of freedom in an imaged plane when its object plane under the illumination of partially coherent light is imaged through an optical system. It also shows the transfer mechanism of degrees of freedom through an optical system by means of both imaging integral equaton and illuminative integral equation. The conclusion is that the aberration of an optical system will not change the degrees of freedom.

    本文讨论了部分相干光场经光学系统成象之后在象面上的自由度;利用成象系统积分方程和照明系统积分方程两步积分方程的共同作用,解释了部分相干光场自由度经光学系统传递的机理;同时得到光学系统象差不影响自由度的结论.

    In this paper,the principle of the fault dispersive spot effect and the method used in processing the information of the partially coherent light of the di-Spsrsive spot diagrams are explained.The experimental result and photographs obtained in utilizing the effect to test nondestructively the fibre board samples are presented,the theory and experiments have shown that the experimental equipments are simple,that their e hvironmental condition is common,that the inspection sensitivity is high when the method...

    In this paper,the principle of the fault dispersive spot effect and the method used in processing the information of the partially coherent light of the di-Spsrsive spot diagrams are explained.The experimental result and photographs obtained in utilizing the effect to test nondestructively the fibre board samples are presented,the theory and experiments have shown that the experimental equipments are simple,that their e hvironmental condition is common,that the inspection sensitivity is high when the method is used in the nondestructive inspection.Therefore it is useful.

    本文讨论了错位散斑效应的原理和散斑图的部分相干光信息处理的方法,并给出利用该效应进行纤维板试体无损检测的实验结果和照片。理论和实验表明,利用这一方法进行无损检测,实验设备比较简单,对环境要求不高,而检测灵敏度很高,因而具有实用价值。

    According to the principles of partially coherent light imaging,a new method of white light malti processing is proposed,and some necessary formulae are introduced.This method is used to have the black-white images pseudocoloured in real time.Some experimental results are presented in the last part of this paper.

    本文介绍并推导了用部分相干光成象和用作光学信息处理的原理和公式。提出一种新的白光多路处理技术,并用来进行黑白图象的假彩色编码。文章后面给出了一些实验结果。

     
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