用于数字电视广播的宽带偶极子天线阵列

2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI:10.1109/APWC.2016.7738164

P. Keowsawat, P. Osklang, R. Kanahna, C. Phongcharoenpanich

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引用次数: 1

摘要

本研究提出了一种双c形寄生狭缝元件(即辐射元件)封装在双角反射器上的平面矩形偶极子天线，用于带宽增强。通过随后部署多个辐射元件，在细长的双角反射器上制造四元件垂直阵列天线，提高了增益。模拟值和实测值分别为S11 -23dB。在470 ~ 862mhz频率范围内，阵列天线的仿真增益和实测增益分别为12.8 ~ 16.4 dbi和11.3 ~ 15.8 dbi。因此，该阵列天线适用于数字电视广播传输。

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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Wideband dipole antenna array for digital TV broadcasting applications

This research has proposed a planar rectangular dipole antenna enclosed in double C-shaped parasitically slit elements (i.e. radiator element) on a double-cornered reflector for bandwidth enhancement. The gain was enhanced by the subsequent deployment of multiple radiator elements to fabricate a four-element vertically array antenna on an elongated double-cornered reflector. The simulated and measured |S11|<;-10dB of the array antenna respectively covered the 410-991MHz (82.9%) and 415-886MHz (72.4%) frequency ranges. The proposed array antenna radiates unidirectionally across the DTV frequency band with a measured front-to-back ratio and cross polarization <;20dB and >-23dB, respectively. The simulated and measured gains of the array antenna were 12.8-16.4dBi and 11.3-15.8dBi along the 470-862MHz frequency range. This proposed array antenna is thus suitable for DTV broadcasting transmission.

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来源期刊

2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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