默认远场图向上(北)再次而不是向下。
Default far-field plot upwards (north) again instead of downwards.
应用天线理论中的电流分布法，首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
利用此方法可以依据天线平面近场测试数据快速简便地求得天线远场方向图及其它特性，其精度较高；
The far field patterns and performances of antenna under measurement can be obtained rapidly and efficiently by this method compared to some conventional methods, the precision is good enough.
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