The circularly polarized antenna (10) has a circuit board (25) arranged in parallel with the planar loop antenna element (122).

圆偏振波天线(10)具有与平面状环形天线元件(122)平行地设置的电路基板(25)。

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The circuit board (25) has an area larger than that of the planar loop antenna element (122).

电路基板(25)的面积比平面状环形天线元件(122)大。

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The fuzzy on-line control system of close-loop is made up when the power driver board is added in primary on-line checking system.

在原来在线检测的硬件系统中加入功率驱动板，就构成了闭环模糊在线控制系统。

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