窗函數(shù)設(shè)計(jì)fir數(shù)字濾波器(已修改)
2025-06-23 01:48 本頁面
【正文】 武漢理工大學(xué)《信號(hào)分析與處理》課程設(shè)計(jì) 目錄 1. 濾波簡(jiǎn)介 ............................................................................................................................ 1 數(shù)字濾波技術(shù) .......................................................................................................... 1 FIR 濾波器 ................................................................................................................ 1 設(shè)計(jì)方法 .................................................................................................................. 2 MATLAB 結(jié)合窗函數(shù)設(shè)計(jì)方法 ................................................................... 2 設(shè)計(jì)函數(shù)的選取 ........................................................................................... 2 窗函數(shù)的構(gòu)造 ............................................................................................... 3 窗函數(shù)的設(shè)計(jì)條件 ....................................................................................... 3 2. 基本窗函數(shù) ........................................................................................................................ 5 矩形窗 ...................................................................................................................... 5 三角形窗 .................................................................................................................. 5 漢寧窗（升余弦窗） .............................................................................................. 5 3. 各類窗函數(shù)比較 ................................................................................................................ 7 窗函數(shù)繪圖比較 ...................................................................................................... 7 窗函數(shù)法設(shè)計(jì)步驟 .................................................................................................. 7 窗函數(shù)法設(shè)計(jì)比較 ................................................................................................. 8 4. 具體設(shè)計(jì)內(nèi)容 .................................................................................................................. 13 矩形窗設(shè)計(jì) ............................................................................................................ 13 三角窗設(shè)計(jì) ............................................................................................................ 14 布萊克曼窗設(shè)計(jì) .................................................................................................... 16 結(jié)果分析 ................................................................................................................ 18 5. 課設(shè)心得 .......................................................................................................................... 19 參考文獻(xiàn) ............................................................................................................................... 20 本科生課程設(shè)計(jì)成績(jī)?cè)u(píng)定表 ............................................................................................... 21 武漢理工大學(xué)《信號(hào)分析與處理》課程設(shè)計(jì) 1 1. 濾波簡(jiǎn)介 數(shù)字濾波技術(shù) 數(shù)字濾波，就是通過一定的計(jì)算或判斷程序減少干擾信號(hào)在有用信號(hào)中的比
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