【正文】 系統(tǒng)的 GUI 界面 .............................................................................................................. 15 實(shí)驗(yàn)主界面 ....................................................................................................................... 16 實(shí)驗(yàn)子界面 ....................................................................................................................... 18 第 5 章 系 統(tǒng) 實(shí) 驗(yàn) 的 具 體 內(nèi)容 ...................................................................................................... 21 基本信號(hào)的產(chǎn)生 ................................................................................................................ 21 序列的基本運(yùn)算 ............................................................................................................... 22 離散傅里葉變換 ............................................................................................................... 24 卷積運(yùn)算 ........................................................................................................................... 26 數(shù)字濾波器設(shè)計(jì) ................................................................................................................ 27 數(shù)字系統(tǒng)的結(jié)構(gòu) ............................................................................................................... 28 級(jí)聯(lián)型濾波器 ........................................................................................................... 28 格 型 濾 波器 ............................................................................................................... 29 多速率信號(hào)處理基礎(chǔ) ....................................................................................................... 30 設(shè)計(jì)多帶 FIR 濾波器 ............................................................................................... 30 設(shè) 計(jì) 等 波 紋 FIR 濾波器 ........................................................................................... 32 第 6 章 總結(jié) ................................................................................................................................ 33 參考文獻(xiàn) ........................................................................................................................................ 34 致謝 ................................................................................................................................................ 35 附錄 1 ： 外 文 文 獻(xiàn) 和 翻譯 ............................................................................................................. 36 外文原文 .................................................................................................................................. 36 外文翻譯 .................................................................................................................................. 40 附錄 2 ：程序 ................................................................................................................................. 43 華北水利水電學(xué)院畢業(yè)設(shè)計(jì) 摘要 隨著信息技術(shù)的不斷發(fā)展，數(shù)字信號(hào)處理已成為一個(gè)極其重要 的學(xué)科和技術(shù)領(lǐng)域，在通信、語(yǔ)音、圖像、遙感、生物工程等眾多領(lǐng)域得到了廣泛的應(yīng)用。數(shù)字信號(hào)處理的核心內(nèi)容主要是信號(hào)的獲取、傳輸和處理、識(shí)別及綜合等。信號(hào)是信息的載體，系統(tǒng)是信息處理的手段。因此，為了更好的研究信號(hào)和系統(tǒng)的基本理論與方法，使同學(xué)們更好地理解和掌握數(shù)字信號(hào)處理的理論知識(shí)，在實(shí)驗(yàn)過(guò)程中，借助 MATLAB這個(gè)平臺(tái)來(lái)進(jìn)行輔助設(shè)計(jì)。 MATLAB 是用于算法開(kāi)發(fā)、數(shù)據(jù)可視化、數(shù)據(jù)分析以及數(shù)值計(jì)算的高級(jí)技術(shù)計(jì)算語(yǔ)言和交互式環(huán)境。作為強(qiáng)大的科學(xué)計(jì)算平臺(tái)，它幾乎滿(mǎn)足所有的計(jì)算要求。隨著對(duì)仿真和程序設(shè)計(jì)通用性及可 視化需求的日益增加， MATLAB 著重改善了圖形用戶(hù)界面的制作，極大地滿(mǎn)足了用戶(hù)的需求。 MATLAB的 GUID是專(zhuān)門(mén)用于圖形用戶(hù)界面的快速開(kāi)發(fā)環(huán)境， 關(guān)鍵詞：數(shù)字信號(hào)處理；教學(xué)實(shí)驗(yàn)系統(tǒng)； MATLAB； GUI 第 1頁(yè) 華北水利水電學(xué)院畢業(yè)設(shè)計(jì) Abstract With the continuous development of information technology,digital signal processing has bee a very important subject and technology field。 It has widely applicated in the munication, audio and image, remote sensing, biological engineering. The core content of digital signal processing, mainly is the signal transmission and processing, identification and so on. When the signal system is a carrier of information, information processing. Therefore, in order to better research signal and system of basic theory and method, help students better understand and master of digital signal processing theory knowledge, in the experimental process by MATLAB, the platform for puteraided design. MATLAB algorithm is used to develop, data visualization, dat