多臂螺旋天線的分析與設計

Analysis and Design of Multifilar Helical Antenna

藍政惟(CHeng-Wei Lan)

指導教授 ： 江簡富

國立臺灣大學/電機資訊學院/電信工程學研究所/碩士(2004年)

https://doi.org/10.6342/NTU.2004.00715

摘要

本論文使用週期性結構,帶狀螺旋模型和殼狀螺旋模型發展雙臂螺旋天線的設計公式.並使用模擬軟體求出各種參數對螺旋天線的影響.
利用此公式,設計一個適用於衛星個人通訊的雙臂螺旋天線.10dB的頻寬從1.1到2.0GHz,輻射場型滿足衛星通訊的使用.

關鍵字

衛星通訊 ； 螺旋天線

並列摘要

Tape helix and sheath helix models are used to develop design rules for bifilar helical antenna(
BHA). Operational range of parameters are also organized to facilitate the design.
Design examples for dual-band GPS and satellite persional communication network are
demonstrated.
Shaped conical radiation patterns with 0 < G,max < 90 and 3 dB < gain < 20 dB
can be implemented by proper choice of , C , and N. The measured results show that the
bandwidth with 10 dB return loss is from 1 to 2 GHz. This BHA has good quality of circular
polarization when frequency is below 1.6 GHz.

並列關鍵字

satellite commumication ； bifilar helical antenna

參考文獻

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Hill, 1998.

[5] W. T. Pattern, “The backfire bifilar helical antenna,” Univ. Illinois, Antenna Lab. Tech.