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研究生: 周賢尚
Chou, Xian-Shang
論文名稱: 無線距離量測
Wireless Distance Measurement
指導教授: 羅錦興
Luo, Ching-Hsing
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年: 2005
畢業學年度: 93
語文別: 中文
論文頁數: 100
中文關鍵詞: 距離無線
外文關鍵詞: distance, wireless
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  •   隨著時代的進步,定位技術也跟著不斷精進。GPS定位系統、GSM行動通訊系統以及無線定位技術,均已廣泛的應用於日常生活裏。而我們亦朝著這個方向邁進,自行設計出一小範圍的無線的距離量測系統。操作頻率: 500MHz,量測範圍:60 cm × 60 cm,載波頻率:5GHz,精密度: 1/100。

      根據我們所訂出的規格,以台積電CMOS製程,製作系統中的元件,射頻發射器(Transmitter)以及鎖相迴路(PLL),將其整合於系統裡,並加上高精密度的相位比較器(PFD)對整個系統加以模擬,探討系統的結果以及誤差的檢討。

     With time advanced,the technology of locating becomes better and better . The GPS (Global Positioning System)、GSM (Global System for Mobile Communication) and Wireless Location System technology have extensively applied in our daily life . We are also toward this goal to design a system of small range Wireless Distance Measurement. The specifications of our designed system are: Operating frequency : 500MHz,Measurement Range : 60 cm × 60 cm,Carrier Frequency : 5GHz,Precision : 1/100.

     According to the specification we designed, completing the components ,RF Transmitter and PLL, in whole system by TSMC CMOS process . To integrate it in the system, and adding a high precision PFD (Phase Detector) to simulate the results。Finally,we discuss the results and errors。

    目 錄 第一章 序論···································1 1-1前言·····································································1 1-2研究目的與方法···························································1 1-3章節提要·································································1 第 二 章 無線定位系統之介紹·················································3 2-1 定位系統之發展··························································3 2-2 無線定位原理································8 2-2-1 無線定位原理介紹······················································8 2-2-2 影響定位準確性因素的來源··············································11 2-2-3 TOA 定位演算法························································12 2-3 無線距離量測系統架構規劃················································13 2-4 無線距離量測系統的公式推導··············································14 2-4-1 無線距離量測系統之距離推導············································16 2-4-2無線距離量測系統之相位差推導···········································19 第三章 鎖相迴路原理及設計···················································23 3-1 鎖相迴路概要介紹························································23 3-2 鎖相迴路電路原理······························23 3-2-1 相位/頻率檢測器·······················································23 3-2-2 電荷幫浦······························································26 3-2-3 迴路濾波器····························································27 3-2-4 壓控震盪器····························································28 3-2-5 除頻器································································30 3-2-6 Jitter 考量分析·······················································31 3-3 三階鎖相迴路之設計······················································34 3-4 鎖相迴路設計與實現······················································37 3-4-1相位頻率檢測器·························································37 3-4-2 電荷幫浦······························································38 3-4-3 迴路濾波器····························································39 3-4-4 壓控震盪器····························································41 3-4-5 除頻器································································42 3-5 模擬結果································································43 3-6 量測結果································································50 第四章 發射機與接收機之介紹與實現···········································52 4-1 射頻基本概念································52 4-1-1 雜訊指數·································52 4-1-2 三階截斷點····························································53 4-1-3 一分貝功率壓縮點······················································55 4-1-4 相位雜訊······························································55 4-2 射頻電路原理介紹························································56 4-2-1 功率放大器····························································56 4-2-2 混波器································································59 4-2-3 電壓控制震盪器························································64 4-3 系統規劃································································67 4-4 無線晶片系統之實現······················································69 4-4-1 射頻發射機····························································69 4-4-2 發射機電路模擬························································75 4-5 量測及佈局平面圖························································83 第五章 無線距離量測系統·····················································85 5-1 系統架構································································85 5-2 系統模擬································································85 第六章 結論與未來展望·······················································96 6-1 結論····································96 6-2 未來展望································································96 參考文獻····································································97

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