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Abstract
Antenna array has been widely used due to its advantages of high gain, low side lobe and narrow beam. For vehicle radar, antenna array is required to have narrow beam, wide measurement range, middle and long distance coverage in order for the high accuracy, wide angle range, middle and long distance of detection. Therefore, according to the Taylor polynomial microstrip antenna array theory, a 16-unit series-fed microstrip antenna array was designed in this study. Based on this and the beam forming technology, the 3-beam transmission antenna was designed to realize the division of airspace. Then the high frequency structure simulator and the optimization design module of the advanced design system are adopted for the frequency sweeping analysis, and the design size model data of antenna is optimized. The final experimental result shows that the design is qualified for the requirement of spatial division of narrow antenna beam.
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