【正文】 MATLAB在離散信號(hào)時(shí)域變換與運(yùn)算中的應(yīng)用與實(shí)現(xiàn)MATLAB在離散信號(hào)時(shí)域變換與運(yùn)算中的應(yīng)用與實(shí)現(xiàn)畢業(yè)論文目錄第一章 總論...................................................................1 設(shè)計(jì)背景................................................................1 設(shè)計(jì)目標(biāo)................................................................1 本論文設(shè)計(jì)的目標(biāo)和內(nèi)容..............................................1 系統(tǒng)的基本功能......................................................1 設(shè)計(jì)的意義..............................................................2 開(kāi)發(fā)平臺(tái)與開(kāi)發(fā)環(huán)境......................................................2第二章 信號(hào)的時(shí)域運(yùn)算與變換...................................................3 基本概念................................................................3 連續(xù)時(shí)間信號(hào)........................................................3 離散時(shí)間信號(hào)........................................................4 連續(xù)信號(hào)的時(shí)域變換............. ........................................5 反折................................................................5 倒相................................................................5 時(shí)間平移............................................................6 尺度變換............................................................6 離散信號(hào)的時(shí)域變換......................................................7 反折................................................................7 倒相................................................................7 時(shí)間平移............................................................7 尺度變換............................................................8 連續(xù)時(shí)間信號(hào)的時(shí)域運(yùn)算..................................................8 相加................................................................9 相乘................................................................9 離散時(shí)間信號(hào)的時(shí)域運(yùn)算..................................................9 相加................................................................9 相乘................................................................9第三章 MATLAB開(kāi)發(fā)平臺(tái)及GUI開(kāi)發(fā)環(huán)境........................................11 MATLAB開(kāi)發(fā)平臺(tái).......................................................11 MATLAB簡(jiǎn)介.......................................................11 MATLAB的主要產(chǎn)品構(gòu)成.............................................11 MATLAB語(yǔ)言的特點(diǎn).................................................12 MATLAB ................................................13l 編程和數(shù)據(jù)類型.......................................................13l 外部接口.............................................................13l 開(kāi)發(fā)環(huán)境.............................................................13l 圖形.................................................................13l 數(shù)學(xué).................................................................13 ........................................................14 GUI的設(shè)計(jì)原則......................................................14l 簡(jiǎn)單性...............................................................14l 一致性...............................................................14l 習(xí)常性...............................................................14l 其它考慮因素.........................................................14 GUI的一般制作步驟..................................................14 GUI界面菜單............................................................15 圖形窗的標(biāo)準(zhǔn)菜單...................................................15 用戶菜單屬性.......................................................15l 回調(diào)屬性和菜單名.....................................................15l 用戶菜單的外觀設(shè)計(jì)...................................................15l 使能（Enable）與可見(jiàn)性（Visible）屬性................................15 用戶控件...............................................................16 由M函數(shù)文件產(chǎn)生用戶菜單和控件.........................................16 圖形用戶界面設(shè)計(jì)工具...................................................16 界面設(shè)計(jì)工具的結(jié)構(gòu)和調(diào)用指令.......................................16 交互式圖形用戶界面設(shè)計(jì)應(yīng)用步驟.....................................17第四章 離散信號(hào)時(shí)域運(yùn)算與變換的MATLAB實(shí)現(xiàn)...................................18 信號(hào)的表示及可視化.....................................................18 向量表示法.........................................................18 符號(hào)運(yùn)算表示法.....................................................19 離散時(shí)間信號(hào)及可視化...................................................19 離散單位序列δ（k）................................................20 離散單位階躍序列ε（k）............................................20 .................................21 離散時(shí)間信號(hào)時(shí)域變換及MATLAB實(shí)現(xiàn)..................................21l 離散時(shí)間序列反折及結(jié)果可視化的實(shí)現(xiàn)...................................21l 離散時(shí)間序列平移及結(jié)果可視化的實(shí)現(xiàn)...................................22l 離散時(shí)間序列倒相及結(jié)果可視化的實(shí)現(xiàn)...................................23l 離散時(shí)間序列尺度變換及結(jié)果可視化的實(shí)現(xiàn)...............................23 離散時(shí)間信號(hào)時(shí)域運(yùn)算及MATLAB實(shí)現(xiàn)..................................24l 離散時(shí)間信號(hào)相加及結(jié)果可視化的實(shí)現(xiàn)...................................24l 離散時(shí)間信號(hào)相乘及結(jié)果可視化的實(shí)現(xiàn)...................................24第五章 離散信號(hào)的變換與運(yùn)算模塊的設(shè)計(jì)與實(shí)現(xiàn)..................................25 需求分析...............................................................25 開(kāi)發(fā)平臺(tái)與開(kāi)發(fā)環(huán)境.....................................................25 開(kāi)發(fā)平臺(tái)...........................................................25 開(kāi)發(fā)環(huán)境...........................................................25 設(shè)計(jì)思想...............................................................25 系統(tǒng)功能結(jié)構(gòu)框圖...................................................26 設(shè)計(jì)思路...........................................................26 界面及功能設(shè)計(jì).........................................................26 主界面.............................................................28 離散時(shí)間信號(hào)時(shí)域變換...............................................29 離散時(shí)間信號(hào)時(shí)域運(yùn)算...............................................31 程序說(shuō)明.................................................................33結(jié)論.........................................................................34參考文獻(xiàn).....................................................................35致謝.........................................................................36附錄........................................................