Asymmetrical Dualband Dipole Antenna Design for DTV/GPS Applications

應用於數位電視／全球通定位系統之非對稱性雙頻帶偶極天線設計

吳昭明(Chao-Ming Wu) ； 黃德倫(Der-Lun Huang)

《國立虎尾科技大學學報》 29卷2期 (2010/06) Pp. 1-7

https://doi.org/10.6425/JNHUST.201006.0001

摘要

The unconventional design of a dualband dipole antenna with two asymmetrical elements suitable for signal reception in DTV/GPS systems is presented. Triple-resonance of the proposed antenna fed by a probe is excited from embedding an inverted U-shaped slot into a rectangle patch and extending the dipole with an additional strip. By properly choosing the geometrical parameters of the designed antenna, dual operating bands with bandwidths of 345 MHz (0.485-0.83 GHz) and 77 MHz (1.168-1.245 GHz), defined by VSWR＜3, and dipole-like radiation pattern have been measured. Also, a stable in-band antenna gain has been obtained.

關鍵字

偶極天線 ； 雙頻帶 ； 數位電視 ； 全球通定位系統

並列摘要

The unconventional design of a dualband dipole antenna with two asymmetrical elements suitable for signal reception in DTV/GPS systems is presented. Triple-resonance of the proposed antenna fed by a probe is excited from embedding an inverted U-shaped slot into a rectangle patch and extending the dipole with an additional strip. By properly choosing the geometrical parameters of the designed antenna, dual operating bands with bandwidths of 345 MHz (0.485-0.83 GHz) and 77 MHz (1.168-1.245 GHz), defined by VSWR＜3, and dipole-like radiation pattern have been measured. Also, a stable in-band antenna gain has been obtained.

並列關鍵字

Dipole antenna ； Dualband ； DTV ； GPS

參考文獻

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