To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。
A microstrip Yagi antenna that employs a 2-d EBG (Electromagnetic Band-gap) ground plane as the reflector is presented in this paper.
提出了一种采用二维电磁带隙结构地板为反射器的微带八木天线。
A microstrip Yagi antenna that employs a 2-d EBG (Electromagnetic Band-gap) ground plane as the reflector is presented in this paper.
提出了一种采用二维电磁带隙结构地板为反射器的微带八木天线。
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