| 1. | Angular spectrum and application in diffraction 角谱及其在衍射中的应用 |
| 2. | P - polarized reflectance ratio angular spectra of surfaces and its application 偏振光双表面反射比的角谱及其应用 |
| 3. | The angular spectrum method of plane electromagnetic wave propagation gives another explanation for wave propagation 摘要平面电磁波传播的角谱法,提供了波的传播过程的另一种解释。 |
| 4. | When diffraction problems are solved by the angular spectrum theory , high speed and high accuracy can be obtained , especially for near - field fresnel diffraction 用角谱理论来处理衍射光场,不仅速度快,而且在处理近场菲涅耳衍射光场时的准确度是其它方法无法比拟的。 |
| 5. | Based on the basic equation , the non - paraxial correction of pulsed beam is obtained by the spectrum analysis technic and the perturbative technic respectively . the result from the above mentioned two technics are compared to each other 基于上述方程,分别用角谱分析法和微扰法得到了脉冲光束的非傍轴修正,并对这两种方法所得结果进行了比较。 |
| 6. | Firstly , this article introduces the transforming principle and means from airspace to angular spectrum space , then it calculates square hole diffraction , at last it compares the theoretical calculation with the experimental result , which turns out to be good and fit 本文首先介绍了由空域到角谱域的变换原理和方法,然后对方孔衍射作了计算,并同实验结果作了比较,结果表明两者十分吻合。 |
| 7. | The results show that , as for the single - mode transmission , the dispersion relations yet include space - dispersion ( k dispersion ) which relates to angular spectrum of fields of in - waveguide , in addition to the material - dispersion and the waveguide - dispersion 分析结果表明:对于单模传输,色散关系中除了与频率有关的材料色散和波导色散外,还应包括与输入端光场的角谱有关的空间色散( k色散) 。 |
| 8. | In order to investigate the phenomenon that holograms tend to be deteriorated on baing recorded in photopolymers with shrinkage , a fourier hologram is taken with slant gratings formed by the reference beam and object beams of different space - frequency 摘要为了分析光致聚合材料记录的谱面全息图在再现过程中发生“擦除”现象,将谱面全息图看作由不同角谱的物光与参考光在光致聚合材料内形成的不同倾斜角度的光栅总和。 |
| 9. | In this thesis , we present the law and method to generate structured illumination based on fresnel diffraction . by applying rsd theory , we analyzed the spatial distribution of fresnel diffraction field of sinusoidal grating and its available application in 3d sensing 本文详细地研究了基于菲涅耳衍射的结构照明的原理和方法,利用角谱理论(平面波衍射理论)分析了正弦光栅的衍射光场的空间分布及其在三维传感中应用的可能性。 |
| 10. | The unfocused hologram of lensless fourier holography are also discussed , and a way to revise the reconstruction image of unfocused hologram is presented . ( 2 ) the reconstruction of image plane hologram is analyzed by plane wave theory . the image plane holograms of transparent and opaque objects are also obtained by using fibers ( 2 )用角谱理论分析了像面全息图的再现过程,采用光纤传光分别拍摄了透射和反射物体的像面全息图,并利用频域法对全息图进行数值再现,得到了物体较清晰的再现像。 |