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圓極化雙層堆疊三角形植入電容微帶天線應用於4G頻段 = A Circul...

國立高雄大學電機工程學系碩士班

圓極化雙層堆疊三角形植入電容微帶天線應用於4G頻段 = A Circularly Polarized Dual Stack Triangular Patch antenna with Loaded Capacitor used in 4G Applications

Record Type:	Language materials, printed : monographic
Paralel Title:	A Circularly Polarized Dual Stack Triangular Patch antenna with Loaded Capacitor used in 4G Applications
Author:	黃浩,
Secondary Intellectual Responsibility:	國立高雄大學
Place of Publication:	[高雄市]
Published:	撰者;
Year of Publication:	2015[民104]
Description:	67面圖，表 : 30公分;
Subject:	三角形微帶天線
Subject:	triangular microstrip antenna
Online resource:	http://handle.ncl.edu.tw/11296/ndltd/14442943700384533046
Notes:	104年10月31日公開
Notes:	參考書目：面55-56
Summary:	工作在相同頻率時,比起矩形微帶天線,三角形微帶天線的面積較小。而利用放置負載電容於天線體與接地面間,除了允許微帶天線操作在比原本還要低的工作頻率外,也不因此降低輻射效益,這種形式的天線被稱為負載電容微帶天線。改變負載電容位置與負載電容值,事實上也連續不斷地改變微帶天線的操作頻率,這樣的特性用在微帶天線上是有益的。負載電容微帶天線可以使用在原本傳統微帶天線面積不足之上,或者可以使用在需要調整操作頻率的設備上。堆疊結構可以使各層工作在不同頻率,各層的特性可以被組合在一起。在本論文中,我們會討論達成4G LTE多種頻段需求以及圓形極化的設計。首先,我們會先研究傳統三角形微帶天線,接著介紹電容植入的降頻方法的特性,並提出堆疊結構以及圓極化設計概念。藉著將圓極化設計以及電容植入的降頻設計,結合於一個以三角形微帶天線為基礎的堆疊結構,我們即可完成工作於不同頻段並且圓極化的天線。 Operating at the same frequencies, triangular microstrip antenns have smaller patch than rectangular microstrip antenns. By loading a capacitor between the radiator and ground of a patch antenna allows the patch antenna to operate at a frequency much lower than the original operating frequencies of the patch antenna capacitance of the loaded capacitor, one can virtually change the operating frequency of the patch antenna continuously. And for the loaded capacitor antenna, it is not reduction radiation efficiency. This characteristic has broadened the usefulness of traditional patch antenna, or can be used when one needs the operating frequency to be tunable in some large ranges. Stacked structure can operate at different frequencies on different layers. The characteristics of each layer can be bonded together. In this paper, we will discuss the design to achieve 4G LTE multiple bands requirement and circularly polarization design. First, we will study traditional triangular microstrip antenna. We will introduce the characteristics of capacitor-loaded technique to reduce frequency and bring up the concepts of stacked structure and circularly polarization design. By combining CP design and capacitor-loaded design into a stacked structure based on triangular microstrip antenna, we can accomplish the antennas operated at different bands and CP.

圓極化雙層堆疊三角形植入電容微帶天線應用於4G頻段 = A Circularly Polarized Dual Stack Triangular Patch antenna with Loaded Capacitor used in 4G Applications
黃, 浩

圓極化雙層堆疊三角形植入電容微帶天線應用於4G頻段 = A Circularly Polarized Dual Stack Triangular Patch antenna with Loaded Capacitor used in 4G Applications / 黃浩撰 - [高雄市] : 撰者, 2015[民104]. - 67面 ; 圖，表 ; 30公分.
104年10月31日公開參考書目：面55-56.
三角形微帶天線triangular microstrip antenna

圓極化雙層堆疊三角形植入電容微帶天線應用於4G頻段 = A Circularly Polarized Dual Stack Triangular Patch antenna with Loaded Capacitor used in 4G Applications
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314 $a 指導教授：梁明正博士
328 $a 碩士論文--國立高雄大學電機工程學系碩士班
330 $a 工作在相同頻率時,比起矩形微帶天線,三角形微帶天線的面積較小。而利用放置負載電容於天線體與接地面間,除了允許微帶天線操作在比原本還要低的工作頻率外,也不因此降低輻射效益,這種形式的天線被稱為負載電容微帶天線。改變負載電容位置與負載電容值,事實上也連續不斷地改變微帶天線的操作頻率,這樣的特性用在微帶天線上是有益的。負載電容微帶天線可以使用在原本傳統微帶天線面積不足之上,或者可以使用在需要調整操作頻率的設備上。堆疊結構可以使各層工作在不同頻率,各層的特性可以被組合在一起。在本論文中,我們會討論達成4G LTE多種頻段需求以及圓形極化的設計。首先,我們會先研究傳統三角形微帶天線,接著介紹電容植入的降頻方法的特性,並提出堆疊結構以及圓極化設計概念。藉著將圓極化設計以及電容植入的降頻設計,結合於一個以三角形微帶天線為基礎的堆疊結構,我們即可完成工作於不同頻段並且圓極化的天線。 Operating at the same frequencies, triangular microstrip antenns have smaller patch than rectangular microstrip antenns. By loading a capacitor between the radiator and ground of a patch antenna allows the patch antenna to operate at a frequency much lower than the original operating frequencies of the patch antenna capacitance of the loaded capacitor, one can virtually change the operating frequency of the patch antenna continuously. And for the loaded capacitor antenna, it is not reduction radiation efficiency. This characteristic has broadened the usefulness of traditional patch antenna, or can be used when one needs the operating frequency to be tunable in some large ranges. Stacked structure can operate at different frequencies on different layers. The characteristics of each layer can be bonded together. In this paper, we will discuss the design to achieve 4G LTE multiple bands requirement and circularly polarization design. First, we will study traditional triangular microstrip antenna. We will introduce the characteristics of capacitor-loaded technique to reduce frequency and bring up the concepts of stacked structure and circularly polarization design. By combining CP design and capacitor-loaded design into a stacked structure based on triangular microstrip antenna, we can accomplish the antennas operated at different bands and CP.
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