Coplanar Vivaldi Antenna with Wave Slot structure for RADAR application

2022 IEEE International Conference on Communication, Networks and Satellite (COMNETSAT) Pub Date : 2022-11-03 DOI:10.1109/COMNETSAT56033.2022.9994297

N. Nurhayati, E. Setijadi, M. N. Mohd Yasin

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Abstract

This study purposes a new design of a coplanar Vivaldi antenna using a Wave Slot structure that could be applied for radar applications. The Coplanar Vivaldi Antenna works in a frequency of 0.5 to 4.87 GHz. By adding a wave slot structure at the edge of the patch on both sides of the coplanar patch, it can increase the directivity of the antenna. We compare five types of Coplanar Vivaldi Antenna (CVA) with Wave Slot (WS) structures with different positions and tilt angles ie: Regular Coplanar Vivaldi Antenna (RCVA), Vertical Wave Slot Coplanar Vivaldi Antenna (VWS-CVA), Horizontal Wave Slot Coplanar Vivaldi Antenna (HWS-CVA), Left Tilt Wave Slot Coplanar Vivaldi Antenna (LTWS-CVA) and Right Tilt Wave Slot Coplanar Vivaldi Antenna (RTWS CVA). From the simulation results, an antenna with a wave structure can increase directivity. At frequency 2.5 GHz LTWS-CVA gets a directivity of 6,38 dBi while RTWS-CVA reaches a directivity of 8,44 dBi. At a frequency of 2 GHz, HWS-CVA yields an improvement of directivity as 4.92 dBi if it compares with RCVA, hence it could be applied for radar applications.

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雷达用波槽结构共面维瓦尔第天线

本研究的目的是设计一种新的共面维瓦尔第天线，该天线采用波槽结构，可用于雷达应用。共面维瓦尔第天线的工作频率为0.5至4.87 GHz。通过在共面贴片两侧的贴片边缘增加波槽结构，可以增加天线的指向性。我们比较了五种具有不同位置和倾斜角度波槽结构的共面维瓦尔第天线(CVA)，即规则共面维瓦尔第天线(RCVA)、垂直波槽共面维瓦尔第天线(VWS-CVA)、水平波槽共面维瓦尔第天线(HWS-CVA)、左倾斜波槽共面维瓦尔第天线(LTWS-CVA)和右倾斜波槽共面维瓦尔第天线(RTWS CVA)。仿真结果表明，采用波浪形结构的天线可以提高天线的指向性。在2.5 GHz频率下，LTWS-CVA的指向性为6.38 dBi, RTWS-CVA的指向性为8.44 dBi。在2 GHz频率下，与RCVA相比，HWS-CVA的指向性提高了4.92 dBi，因此可以应用于雷达应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2022 IEEE International Conference on Communication, Networks and Satellite (COMNETSAT)

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