阐述了用聚焦法在菲涅尔区测试相控阵天线的理论依据及实现方法，用实验结果对近远场方向图进行了比较。
There are many methods to measure the pattern of phased array antenna, such as the technique of plane scanning in near field, focusing method in Fresnel zone, general method in far field, etc.
通过理论分析，揭示出菲涅尔圆孔衍射更深刻的物理内涵。
Through theoretical analysis, a deeper physical intension of the Freshal circular aperture diffraction is revealed.
采用几何光学和干涉仪理论，分析了较大菲涅尔数情况下，非稳腔内不同波型的区分方法以及它们彼此间的损耗率差异；
The mode discrimination and loss characteristics of unstable optical resonators with higher Fresnel number are analysed using theories of geometric-optics and interferometer.
但在托马斯。扬7实验和菲涅尔8实验之后，人们接受了波动理论。
In the beginning people accepted particle theory, but after Thomas Young's experiment7 and Augustin Jean Fresnel's experiment8, people accepted the wave theory.
但在托马斯。扬7实验和菲涅尔8实验之后，人们接受了波动理论。
In the beginning people accepted particle theory, but after Thomas Young's experiment7 and Augustin Jean Fresnel's experiment8, people accepted the wave theory.
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