| General | Electromagnetic analysis is applied to the Yagi antenna. |
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| Analysis Model | Yagi antenna consists of one driven element, one reflector element, and six waveguide elements as in Fig. 1. The S-parameter of the analysis result is shown in Fig. 2. |
| Result | The 2D directivity and the 3D directivity are shown in Fig. 3 and 4 respectively. Sharp directivity is generated by using a reflector element and waveguide elements. |
| Keywords | Yagi Antennas, Radiation Characteristics, S-Parameters, Directivity |
Fig. 1: Analysis Model
Fig. 2: S-parameter
Fig. 3: 2D Directivity
Fig. 4: 3D Directivity
