| 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. | 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。 |
| 6. | 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) 。 |
| 7. | A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented . the strip width of phase constant can be given . on the other hand , the group delay - time due to the k dispersion in single - mode transmission can also be estimated
提出一种利用紧束缚近似的微扰法计算阵列波导的相位常数与输入光角谱的关系，由此算出相位常数的带宽，并利用衍射方法估算单模传输中k色散引起的群延时。 |
