資源簡介
情號的時(shí)間變化足基本的,因?yàn)闀r(shí)間是基礎(chǔ)。然而,如果我們想耍深人地理解信號.那么
研究信號的不同表示是有用的。從數(shù)學(xué)的觀點(diǎn)來看,通過在函數(shù)的完備集中展開信號.就可以
實(shí)現(xiàn)信號的不同表示.而且可以有無數(shù)種情況。一種特別表爾的重要性就在于:用那種表示可
以更好地理解信號的特征,因?yàn)檫@種表示是由實(shí)際上或者為對眼前情況重要的物理量來表示
其特性的。除了時(shí)間之外,最重要的表示是頻率。頻率表示的數(shù)學(xué)方法是由傅里葉(F(川皿r)

代碼片段和文件信息
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????13452??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00001.pdg
?????文件??????18572??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\!00002.pdg
?????文件??????17548??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00003.pdg
?????文件??????17548??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00004.pdg
?????文件??????18572??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00005.pdg
?????文件???????4236??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00006.pdg
?????文件??????25740??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000001.pdg
?????文件??????37004??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000002.pdg
?????文件??????30860??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000003.pdg
?????文件??????16524??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000004.pdg
?????文件??????28812??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000005.pdg
?????文件??????23692??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000006.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000007.pdg
?????文件??????11404??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000008.pdg
?????文件??????19596??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000009.pdg
?????文件??????18572??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000010.pdg
?????文件??????11404??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000011.pdg
?????文件??????17548??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000012.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000013.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000014.pdg
?????文件??????15500??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000015.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000016.pdg
?????文件??????17548??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000017.pdg
?????文件??????17548??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000018.pdg
?????文件??????23692??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000019.pdg
?????文件??????30860??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000020.pdg
?????文件??????25740??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000021.pdg
?????文件??????19596??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000022.pdg
?????文件??????33932??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000023.pdg
?????文件??????19596??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000024.pdg
............此處省略250個(gè)文件信息
-----------?---------??----------?-----??----
?????文件??????13452??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00001.pdg
?????文件??????18572??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\!00002.pdg
?????文件??????17548??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00003.pdg
?????文件??????17548??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00004.pdg
?????文件??????18572??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00005.pdg
?????文件???????4236??2002-04-03?12:16??時(shí)頻分析理論與應(yīng)用\!00006.pdg
?????文件??????25740??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000001.pdg
?????文件??????37004??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000002.pdg
?????文件??????30860??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000003.pdg
?????文件??????16524??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000004.pdg
?????文件??????28812??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000005.pdg
?????文件??????23692??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000006.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000007.pdg
?????文件??????11404??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000008.pdg
?????文件??????19596??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000009.pdg
?????文件??????18572??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000010.pdg
?????文件??????11404??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000011.pdg
?????文件??????17548??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000012.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000013.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000014.pdg
?????文件??????15500??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000015.pdg
?????文件??????21644??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000016.pdg
?????文件??????17548??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000017.pdg
?????文件??????17548??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000018.pdg
?????文件??????23692??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000019.pdg
?????文件??????30860??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000020.pdg
?????文件??????25740??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000021.pdg
?????文件??????19596??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000022.pdg
?????文件??????33932??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000023.pdg
?????文件??????19596??2002-04-03?12:17??時(shí)頻分析理論與應(yīng)用\000024.pdg
............此處省略250個(gè)文件信息
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