研究生: |
白雲飛 Yun-fei Bai |
---|---|
論文名稱: |
使用z域方法設計群延遲傳輸線 Design and Implementation of Group Delay Transmission Line Using z Domain Techniques |
指導教授: |
徐敬文
Ching-Wen Hsue |
口試委員: |
張勝良
Sheng-Lyang Jang 黃進芳 Jhin-Fang Huang 陳國龍 Kuo-Lung Chen 溫俊瑜 Jiun-Yu Wen |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2014 |
畢業學年度: | 103 |
語文別: | 英文 |
論文頁數: | 58 |
中文關鍵詞: | 群延遲 、傳輸線 |
外文關鍵詞: | Group Delay, Transmission Line |
相關次數: | 點閱:248 下載:0 |
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在論文中,我們提出一個三段開路殘斷 (open-circuited three-section stub) 並加上其互補的槽線 (slot-line) 的架構去實現一個群延遲傳輸線 (group delay transmission line),此種群延遲傳輸線能產生寬頻響應 (broadband response) 、極大的群延遲 (group delay) 和延伸至高頻的高階諧振響應 (high-order harmonic response)。在此三段開路殘斷中的基頻響應及高階諧振響應的傳輸散射參數 (transmission scattering parameter) S21 皆是使用離散時間z域技術 (discrete-time z domain) 的公式所推導而來。加上互補槽線的用途是可將由開路殘斷所造成的阻帶 (stop-band) 轉變成通帶 (pass-band)。藉由此種互補的殘斷和槽線的設計可以得到一個寬頻的群延遲傳輸線。最後我們將此三段開路殘斷並加上其互補槽線架構的群延遲的模擬及量測結果與傳統的單段開路殘斷 (open-circuited single-section stub) 並加上其互補槽線做比較。
此外我們也提出了一個單段準短路殘斷 (quasi-short-circuited single-section stub) 並加上其互補的槽線來與上述的架構做比較。
In this thesis, an open-circuited three-section stub and its complementary slot-line are employed to implement a group delay transmission line with broadband response, excessive group delay and extended high-order harmonic response. The transmission scattering parameter S21 is formulated in the discrete-time z domain to facilitate the study of both fundamental and higher-order harmonic responses of open-circuited three-section stubs. The complementary slot-line is employed to convert the stop-band caused by the stub to a pass-band. As a result, a group delay transmission line with broadband response is obtained. Measured and simulated results of group delay of open-circuited three-section stub with its complementary slot-line structure are presented to compare with those of conventional open-circuited single-section stub with its complementary slot-line.
In addition, a quasi-short-circuited single-section stub and its complementary slot-line are also presented in this paper in order to compare with the above open-circuited stub and its complementary slot-line structure.
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