The results are compared with the qualitative analysis of the scalar diffraction theory.
并与标量衍射理论的定性分析进行了对比。
Analyzing method includes geometry theory, scalar diffraction theory and vector diffraction theory etc methods.
其分析方法包括几何理论法、标量衍射理论法和矢量理论法。
The error of scalar diffraction theory is very large for DVD, and vector diffraction theory must be employed to get correct result.
对于DVD，标量理论的误差已经很大，要得到准确的结果就必须采用矢量衍射理论。
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