This paper analyzes extended hemispherical lens, which can be used in focal imaging.

文中分析可用于焦面阵成像的扩展半球介质透镜。

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When used in combination with a planar phase array antenna, the lens makes it possible for the single planar phased array antenna to achieve the capability of beam scanning for hemispherical coverage.

当这种透镜与平面相控阵天线组合使用时，则可使单个平面相控阵天线波束获得半球空域的扫描能力。

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Apply the "Fisheye Lens" to get a wide-angle hemispherical view of the photographic subjects, adding a new source of fun and intriguing creative possibilities to photos.

ENGADGET: BenQ's 14 megapixel S1420 camera touts mega O.I.S., 720p movie mode