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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/9036

    Title: 多載波調變訊號之接收系統設計規劃及實現、訊號偵測與頻率估測;Design and Implementation of Receiver for a Multi-tone Signal
    Authors: 沈俊銘;June-Ming Shen
    Contributors: 電機工程研究所
    Keywords: 多載波系統;訊號偵測與驗證;頻率估測;載波回復;時間誤差估測;差分相位解調;訊號星象圖;multi-tone system;signal detection;frequency estimation;carrier recovery;timing error estimation;DQPSK;signal constellation
    Date: 2000-06-22
    Issue Date: 2009-09-22 11:39:53 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 鑑於多載波系統相對於單一載波系統,擁有較大的頻寬效益、較高的資料傳輸率等優點,因而被廣泛的使用在各系統中。例如在無線通訊方面的窄頻個人通訊服務(PCS)的應用和多載波碼分多工(MC-CDMA)系統等。 本論文主要是設計規劃多載波調變訊號的接收系統,提供整個接收系統的動作流程以及程式流程,並針對其中控制模組、偵測驗證模組與頻率估測模組等三方面深入研究探討,詳細說明其設計原理並評估其效能。 論文中,並針對全系統的整合有詳細的描述和測試,其中主要是採用SPW、Matlab以及C程式等方式來達成整個系統從模擬到整合到實現的系統工作需求;同時,亦探討系統中眾多參數值對系統效能的影響,以求能提高系統效能。 The multi-carrier system has better spectrum efficiency and higher data rate than a single-carrier system, therefore it uses in popular. For example, the application of narrow-band personal communication services (PCS) which uses in wireless communication and the system of multi-carrier code division multiple access (MC-CDMA) are using this technology for transmission. This thesis discusses the design and implementation of a receiver for multi-tone signals. We offer the operating procedures and programming flowcharts to the receiving system. Then we design the system model which contains control module, signal-detected module and frequency-estimated module. In addition, we give a detailed description of the design ways and evaluate the performance of this system. This thesis has a detailed description and experiment about the entire system. We use the SPW, Matlab and C program to achieve the requirement of system simulation and implementation. Simultaneously, we investigate the influence of several parameters in order to acquiring high system performance and find a method to improve it.
    Appears in Collections:[電機工程研究所] 博碩士論文

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