臺灣博碩士論文加值系統

隨著科技的無線通訊的進步與發展，對高指向性的天線的應用發展也須推進，凡舉軍事、衛星天線…等皆可看到其運用。透射陣列結構是種類似反射陣列結構，是由一饋入天線和多個陣列單元所構成，這些單元不像是反射陣列結構的單元用來反射，而是用來透射聚焦。
本論文研究之透射陣列理論背景是利用惠更斯-菲涅耳（Huygens–Fresnel Principle）和頻率選擇面(Frequency Selective Surfaces)所組成的透射天線陣列架構，在頻率5.8GHz下研究電磁波的傳輸與透射聚焦特性。

With the advancement of wireless communications, the usage development of directive antennas becomes necessary as well. The use of directive antennas is commonly seen in military, satellite industries, etc. The structure of the transmitting array antenna is similar to that of the reflective array antenna. It is made up of a feeding antenna and many array elements. Unlike the reflective purposes of the array element in a reflective array antenna, those in a transmitting array antenna are used for transmissions.
This thesis adopts the transmitting array antennas framework formed by the Huygens-Fresnel Principle and the Frequency Selective Surfaces theory. It discusses the characteristics of transmissions of electromagnetic waves at a frequency of 5.8 GHz.

中文摘要 iv
ABSTRACT v
誌謝 vi
目錄 vii
附圖目錄 ix
表目錄 xii

第一章 1
序論 1
1.1前言 1
1.2研究背景 3
1.3研究目的 4
1.4研究方法 4
1.5章節概述 5

第二章 6
應用於5.8GHz圓極化饋入天線設計與模擬 6
2.1 圓極化基本原理介紹 6
2.1.1極化原理簡介 6
2.1.2 形成圓形極化波的條件及重要性 9
2.1.3 圓極化波重要參數-軸比 10
2.2 微帶天線及微帶線之特性與原理 10
2.3單饋入圓極化天線 12
2.3.1單饋入和對角線饋入比較 12
2.3.2 截角方形圓極化微帶天線 14
2.4天線參數(Antenna Parameters)介紹 15
2.5 饋入天線設計與實作量測 16

第三章 27
5.8GHz頻率選擇面設計與原理 27
3.1頻率選擇面原理簡介(Frequency Selective Surface) 27
3.2頻率選擇面單元設計(Frequency Selective Surface) 30

第四章 34
5.8GH菲涅爾透射陣列天線設計 34
4.1 天線設計背景 34
4.2 菲涅爾透射天線原理 36
4.2.1 惠更斯-菲涅耳定理簡介(Huygens–Fresnel principle) 36
4.2.2 等效半徑 37
4.3 透射陣列天線模擬設計 39
4.3.1 透射陣列結構設計 39
4.3.2 透射陣列模擬 40
4.4 透射陣列天線實作及量測 51
第五章 結論 65
附錄1 66
參考文獻 68
圖出處 70

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