本文给出了平场输入和输出edg的设计方法，并利用标量衍射理论对设计的结果进行模拟，验证了平场输出EDG具有很好的分波效果。
The scalar diffraction theory is used to verify the design and the numerical results show that the designed EDG has a good performance.
无论在理论还是应用研究方面，标量小波(2 -通道小波)都已取得了很大的成功，它的数学性质和应用性能已被人们所认识。
The scalar wavelets (2-channel wavelet) have been succeeded in both theory and application, of which the mathematical characters and the application performance have drawn enough attention.
第三章阐述了菲涅耳波带透镜的基本原理和标量衍射理论；
The third chapter discussed how to perform a fresnel lens with the principle of fresnel zone diffraction.
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