Microwave resonant switched-slot probe with perpendicular coaxial feed

摘要: Development of efficient microwave real-time imaging systems is great interest for many applications. A cost-effective design such utilizes a switched transmit-receive array composed antenna elements. The utilized arrays are typically planner and consist large number closely-spaced performance these depends largely on the efficiency element its feeding structure, isolation between elements as well isolation. Implementing required high-isolation switching, in-plane with compact rather challenging at high frequencies, e.g., 24 GHz. In this paper, resonant slot an out-of-plane coaxial feed introduced arrays. loaded PIN Diode hence it directly. proposed involves coupling transmitted/received signals into/from using perpendicular to plane slot. Two variations structure considered here, namely; electrical magnetic coupling. Simulation measurement results show that radiation switching can be obtained designs.