angular spectrum

基本解释

The angular spectrum method of plane electromagnetic wave propagation gives another explanation for wave propagation.
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。
The theory of the angular spectrum and the uncertainty relation in quantum theory are applied to discuss the ultra-highresolution beyond Rayleigh diffraction limit.
利用角谱衍射理论和量子力学不确定关系对于扫描近场光学显微镜的基本原理——超衍射极限分辨率的突破进行了定性分析。
According to vector diffraction theory, the optical field incident on a facet of a solid immersion lens(SIL) is the integral of the angular spectrum, which is decomposed into TE and TM waves.
从矢量衍射理论出发，将入射到固体浸没透镜（SIL）底面的光场看成角谱积分形式，并将角谱分量分解为TE波和TM波，从而用隧道薄膜的特性矩阵方法求出相应的反射角谱分量。

角谱
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。
电子、通信与自动控制技术
角谱