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Question on operating principle of reflectarray

时间:04-08 整理:3721RD 点击:
Hello,

As i know reflectarray is feed or illuminate by a horn antenna and the wave from the horn was "reflect" by the reflectarray's elements and form a radiation beam around the broadside of the array.

So is the array's elements truly just reflect the wave? Or possible the wave from the horn excite the array's elements and make the elements to re-radiate the energy to the broadside of the array?

Anybody have some comments about this?
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