High-efficiency substrate-integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing
A substrate-integrated waveguide and leaky-wave antenna technology, which is applied in directions such as antenna arrays, antennas, and antenna arrays that are energized separately, can solve the problems of large polarization loss, complex feeding, and low radiation efficiency, and achieve high-efficiency two-dimensional Focusing, overcoming the complexity of feeding, avoiding the effect of near-field stray radiation
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[0035] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
[0036] In this embodiment, a high-efficiency substrate-integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing is firstly provided.
[0037] figure 1 and figure 2 A schematic diagram of the structure of the high-efficiency substrate-integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing is given. image 3A schematic diagram of the antenna structure of the single-substrate integrated waveguide leaky wave slot array (with different widths on the left and right sides) in the antenna array is given.
[0038] The antenna includes an antenna array composed of several single substrate integrated waveguide leaky-wave slot array antennas arranged in parallel, the first leaky-wave antenna 11 feeding external energy is located at the transverse center of the antenna array, and the first leaky...
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