그림 1. 제안된 4×4 사각 배열 패치안테나 형상 Fig. 1. Geometry of the proposed patch antenna with 4×4 planar array.
그림 2. 제안된 개별소자의 반사계수 특성 Fig. 2. Reflection coefficient characteristic of the proposed element.
그림 3. g에 따른 상호결합 및 패턴 왜곡 특성(2.4 GHz) Fig. 3. Mutual coupling and pattern distortion characteristic according to g.
그림 5. 배열 안테나의 빔조향 특성(2.4 GHz, φ=90°). Fig. 5. Beam steering characteristic of the proposed antenna.
그림 6. 배열안테나의 DoA 추정 성능(2.4 GHz) Fig. 6. DoA estimation performance of the proposed antenna.
그림 4. 제작된 배열안테나 사진. Fig. 4. Photographs of the fabricated array antenna.
표 1. 제안된 안테나에 사용된 설계 변수 Table 1. Parameters for proposed antenna.
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