【正文】 第 2 章 UWB 信道的基本理論 13 差小于特定值之外，還應該保證在噪聲區(qū)無多徑分量。繼而通過迭代算法利用模板信號從接收信號 )(tr 中去掉 )(tTx 、 )(tRx 和 )(tn 的影響，計算信道沖激響應 )(th 的近似值。測量點矩陣的主要作用是為后期數據處理提供計算平均值（空域平均）所需的多次測量數據。 （ 2） 頻域法。最后介紹了 UWB信道模型的國內外研究現狀。 根據文獻報道的若干信道測量結果，表 12 列出了 UWB 信道的主要特征參數并與傳統(tǒng)窄帶信道進行了比較。具體如下： ① 潛在的支持高數據速率或系統(tǒng)容量的能力 ② 定位精度高，探測能力強 ③ 共享頻譜資源 ④ 穿透能力強 ⑤ 低截獲、抗干擾、保密性好 ⑥ 低成本、低功耗 表 11 列出 UWB 技術與其它無線局域網技術的比較。 最后對本文所做的工作和結論進 行了匯總，指出不足之處及改進方向。摘 要 1 畢業(yè)論文（設計）原創(chuàng)性聲明 本人所呈交的畢業(yè)論文（設計） 是我在導師的指導下進行的研究工作及取得的研究成果。 關鍵詞 超寬帶 UWB 信道模型 SV 模型 MATLAB ABSTRACT ABSTRACT 3 The Ultra Wideband technology is one kind of revolutionary wireless munication technology emerged in recently 20 or 30 years in the world. For the advantage of high transmission speed, limit power wastage and low cost, UWB technology has became a hotspot gradually in wireless munication research and was considered a key technology of next wireless munication generation. In order to insure the validity and the reliability of the signals transmitted in the plex indoor environment, the accurate characteristic of UWB indoor channel should be mastered. This article is in this understanding to plete the UWB indoor channel model and the MATLAB simulation. The principal of the UWB indoor channel model is discussed and simulation. The paper first briefly introduces the basic concepts of UWB and characteristics, and gives a brief introduction for the basic theory of UWB channel. The basic theory of the channel focuses on the introduction of timedomain measurement and modeling in the process of post data processing methodCLEAN algorithm for modeling and simulation analysis in the channel. For the UWB indoor channel characteristics of various existing UWB indoor channel model and the model for the IEEE standard MATLAB simulation analysis, and the University of Southern California Laboratory of the actual UWB channel measurement indicators derived from the channel parison, simulation results show that the SV model and the IEEE standard model can fit the indoor NLOS channel environment, but on the indoor LOS channel environment of insufficient performance. LOS half to determine the indoor model (twocluster model) in the LOS environment, a good fit to experimental data. Finally, the paper work and this article summarizes conclusions, pointing out deficiencies and improvement. Key words Ultra Wideband UWB Channel model SV model MATLAB 目 錄 I 目 錄 目 錄 .............................................................................................................................................I 第一章 緒論 .................................................................................................................................. 1 超寬帶（ UWB）無線通信技術概述 ............................................................................. 1 UWB 技術的優(yōu)點與主要應用 ......................................................................................... 2 UWB 信道與傳統(tǒng)信道的比較 ......................................................................................... 3 UWB 信道模型的國內外研究現狀 ................................................................................. 4 本章小結 .......................................................................................................................... 5 第二章 ＵＷＢ信道的基本理論 .................................................................................................. 6 UWB 信號的傳播特性 ..................................................................................................... 6 信道測量技術 .................................................................................................................. 7 后期數據處理方法 ——Clean 算法 ................................................................................ 9 Clean 算法門限選擇 ....................................................................................................... 12 本章小結 ........................................................................................................................ 13 第三章 超寬帶室內信道模型 .................................................................................................... 14 簡單的泊松模型 ............................................................................................................ 14 修正的泊松模型 ............................................................................................................ 14 K? 模型 ..................................................................................................................... 15 修正的 K?? 模型 ......................................................................................................... 17 本章小結 ........................................................................................................................ 18 第四章 超寬帶室內多徑傳播參考模型 .................................................................................. 19 UWB 多徑傳播模型 .............