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This paper presents a novel cavity backed slot (CBS) antenna for subsurface sensing applications. The CBS antenna is designed to be "matched" in the two-half-space configuration (one half space air; and the other ground) over a relatively wide frequency band. As a result, when attached onto ground surface, it is able to efficiently couple microwave power into and out of the ground. In this...
In this paper, a novel slot antenna is designed for ground penetrating radars (GPRs). The novel antenna consists of an array of cavity backed slot elements. Compared to microstrip patches, slot antennas have a few attractive advantages, such as ease in achieving relatively larger fractional bandwidth, minimal mutual coupling between array elements, less sensitivity to substrate truncation, and higher...
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