相較於其他的介質波導管，無輻射介質波導具有結構簡單、容易建構、低損耗、以及在彎曲及不連續處的輻射損失和干擾皆很小的特性，是一個非常適合整合進毫米波段電路中的元件。我們首先探討了無輻射介質波導的理論基礎，觀察無輻射介質波導的基本參數對其性能的影響，並導入多模態 參數來觀察各模態之間的相互耦合關係，以此來分析無輻射介質波導彎曲耦合結構、雙層傳輸結構。另一方面，為了提升無輻射介質波導的電路應用層面與傳輸品質，也研究了結合微帶線的轉換結構與模態的抑制，並對上述結構結合做整體的電路應用。

Comparing with other dielectric waveguides, NRD (nonradiative dielectric guides) presents advantages of ease of fabrication, low transmission loss, and absence of radiation from bends and discontinuities, making it suitable for realizing compact and high-performance millimeter wave integrated circuits. First, we study the EM theory of NRD to observe the characteristic affected by NRD geometric parameters and introduce multi-mode parameters to analyze mode coupling phenomena in bend and two-layer NRD structures. In order to promote NRD circuit application and transmission performance, we also study an integrated transition between microstrip line and NRD and mode suppressing technique. Finally, the structures mentioned above are all integrated in circuit application.

中文摘要 i
英文摘要 ii
目錄 iii
第一章 前言 1
第二章 無輻射介質波導基本理論分析 4
2-1 無輻射介質波導的電磁模態分析 4
2-2 無輻射介質波導單一模態操作 10
2-3 無輻射介質波導特性參數分析 16
2-3-1 變動兩金屬板間距離 16
2-3-2 變動介質寬度 18
2-3-3 變動介電係數 20
第三章 無輻射介質波導彎曲耦合結構分析 23
3-1 多模態S參數矩陣 23
3-2 無輻射介質波導彎曲結構分析 25
3-2-1 無輻射介質波導曲率半徑對傳輸效率的影響 25
3-2-2 無輻射介質波導介質彎曲厚度對傳輸效率的影響 28
3-2-3 無輻射介質波導兩彎曲結構彼此的耦合效應 31
第四章 無輻射介質波導雙層開孔耦合結構分析 36
4-1 無輻射介質波導雙層垂直或平行開孔耦合分析 36
4-2 無輻射介質波導方形開孔大小對雙層平行耦合傳輸效率分析 45
4-3 無輻射介質波導開路長短對雙層平行耦合傳輸效率分析 47
第五章 無輻射介質波導與微帶線轉換結構分析 50
5-1無輻射介質波導 模態與微帶線 模態的轉換結構分析 51
5-2無輻射介質波導 模態與微帶線 模態的轉換結構分析 55
第六章無輻射介質波導與微帶線轉換結構的抑制模態分析 59
6-1非混合模態（nonhybrid modes） 的電磁模式 59
6-2無輻射介質波導與微帶線轉換結構的抑制模態分析 61
6-2-1無輻射介質波導與微帶線轉換結構所激發出的模態 61
6-2-2無輻射介質波導與微帶線轉換結構中抑制 63
6-2-3無輻射介質波導與微帶線轉換結構中抑制 65
6-3無輻射介質波導與微帶線轉換結構的其他抑制結構 67
第七章 無輻射介質波導轉換結構與雙層傳輸結構並結合模態抑制的電路應用 74
第八章 結論 82
參考文獻 84

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