ＡｕｄｉｏｓｔｅｇａｎａｌｙｓｉｓｏｆＤＳＳＳｂａｓｅｄｏｎａｕｄｉｏｄｉｓｔｏｒｔｉｏｎｍｅａｓｕｒｅｓ

ＨＵＡＮＧＨａｏ; ＧＵＯＬｉ; ＬＩＬｉｎ

doi:10.7523/j.issn.2095-6134.2008.2.017

Journal of University of Chinese Academy of Sciences >

2008 , Vol. 25 >Issue 2: 251 - 256

DOI: https://doi.org/10.7523/j.issn.2095-6134.2008.2.017

ＡｕｄｉｏｓｔｅｇａｎａｌｙｓｉｓｏｆＤＳＳＳｂａｓｅｄｏｎａｕｄｉｏｄｉｓｔｏｒｔｉｏｎｍｅａｓｕｒｅｓ

ＨＵＡＮＧＨａｏ ,
ＧＵＯＬｉ ,
ＬＩＬｉｎ

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ＣｉｒｃｕｉｔｓａｎｄＳｙｓｔｅｍＤｅｓｉｇｎＬａｂ，ＤｅｐａｒｔｍｅｎｔｏｆＥｌｅｃｔｒｏｎｉｃＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙ，ＵｎｉｖｅｒｓｉｔｙｏｆＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙｏｆＣｈｉｎａ，Ｈｅｆｅｉ２３００２７，Ｃｈｉｎａ

Received date: 1900-01-01

Revised date: 1900-01-01

Online published: 2008-03-15

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Abstract

Ｇｉｖｅｎｔｈｅｏｂｓｅｒｖａｔｉｏｎｕｎｄｅｒｒｅｐｅａｔｅｄｅｍｂｅｄｄｉｎｇ，ｔｈｅａｕｄｉｏｄｉｓｔｏｒｔｉｏｎｉｓｔｈｅｆｉｅｒｃｅｓｔｆｏｒｔｈｅｖｅｒｙｆｉｒｓｔｔｉｍｅａｎｄｄｒｏｐｓｓｉｇｎｉｆｉｃａｎｔｌｙｓｕｂｓｅｑｕｅｎｔｌｙ，ａｓｔｅｇａｎａｌｙｓｉｓｍｅｔｈｏｄｏｆＤＳＳＳ（ＤｉｒｅｃｔＳｅｑｕｅｎｃｅＳｐｒｅａｄＳｐｅｃｔｒｕｍ）ｗａｓｐｒｏｐｏｓｅｄ，ｗｈｉｃｈｉｓｉｍｐｌｅｍｅｎｔｅｄｂｙｓｕｐｐｏｒｔｖｅｃｔｏｒｍａｃｈｉｎｅ（ＳＶＭ）ａｓａｃｌａｓｓｉｆｉｅｒ，ｕｓｉｎｇｖａｒｉｏｕｓｄｉｓｔｏｒｔｉｏｎｍｅａｓｕｒｅｓｓｅｎｓｉｔｉｖｅｔｏＤＳＳＳｓｔｅｇｏｍｅｔｈｏｄａｓｆｅａｔｕｒｅｓ，ａｖｏｉｄｉｎｇｅｓｔｉｍａｔｉｏｎｏｆｔｈｅｏｒｉｇｉｎａｌｓｉｇｎａｌ．ＴｈｅｅｘｐｅｒｉｍｅｎｔｒｅｓｕｌｔｓｖｅｒｉｆｙｔｈａｔｔｈｅｐｒｏｐｏｓｅｄｍｅｔｈｏｄｃａｎｄｅｔｅｃｔｔｈｅＤＳＳＳｅｍｂｅｄｄｉｎｇｅｆｆｅｃｔｉｖｅｌｙａｎｄｃａｎａｌｓｏｗｏｒｋｗｉｔｈｄｉｆｆｅｒｅｎｔｅｍｂｅｄｄｉｎｇ
ｓｔｒｅｎｇｔｈ，ａｎｄｔｗｏｍｅｔｈｏｄｓｏｆｄｅｔｅｃｔｉｏｎｗｉｔｈｄｉｆｆｅｒｅｎｔｅｍｂｅｄｄｉｎｇｃａｐａｃｉｔｉｅｓｗｅｒｅｓｕｇｇｅｓｔｅｄ．

Key words： ａｕｄｉｏｓｉｇｎａｌｐｒｏｃｅｓｓｉｎｇ; ｓｔｅｇａｎａｌｙｓｉｓ; ＤＳＳＳ; ｄｉｓｔｏｒｔｉｏｎｍｅａｓｕｒｅｓ; ｓｕｐｐｏｒｔｖｅｃｔｏｒｍａｃｈｉｎｅ

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ＨＵＡＮＧＨａｏ , ＧＵＯＬｉ , ＬＩＬｉｎ . ＡｕｄｉｏｓｔｅｇａｎａｌｙｓｉｓｏｆＤＳＳＳｂａｓｅｄｏｎａｕｄｉｏｄｉｓｔｏｒｔｉｏｎｍｅａｓｕｒｅｓ[J]. Journal of University of Chinese Academy of Sciences, 2008 , 25(2) : 251 -256 . DOI: 10.7523/j.issn.2095-6134.2008.2.017

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