标签: chebyshev

Chebyshev神经网络电路设计

Decisions,decisions,decisions!Withallthesefilterstochoosefrom,howdoyouknowwhichtouse?Thischapterisahead-to-headcompetitionbetweenfilters;we'llselectchampionsfromeachsideandletthemfightitout.Inthefirstmatch,digitalfiltersarepittedagainstanalogfilterstoseewhichtechnologyisbest.Inthesecondround,thewindowed-sincismatchedagainsttheChebyshevtofindthekingofthefrequencydomainfilters.Inthefinalbattle,themovingaveragefightsthesinglepolefilterforthetimedomainchampionship.Enoughtalk;letthecompetitionbegin!CHAPTERFilterComparison21Decisions,decisions,decisions!Withallthesefilterstochoosefrom,howdoyouknowwhichtouse?Thischapterisahead-to-headcompetitionbetweenfilters;we'llselectchampionsfromeachsideandletthemfightitout.Inthefirstmatch,digitalfiltersarepittedagainstanalogfilterstoseewhichtechnologyisbest.Inthesecondround,thewindowed-sincismatchedagainsttheChebyshevtofindthekingofthefrequencydomainfilters.Inthefinalbattle,themovingaveragefightsthesinglepolefilterforthetimedomainchampionship.Enoughtalk;letthecompetitionbegin!Match#1:Analogvs.DigitalFiltersMostdigitalsignalsoriginateinanalogelectronics.Ifthesignal……

Chebyshevfiltersareusedtoseparateonebandoffrequenciesfromanother.Althoughtheycannotmatchtheperformanceofthewindowed-sincfilter,theyaremorethanadequateformanyapplications.TheprimaryattributeofChebyshevfiltersistheirspeed,typicallymorethananorderofmagnitudefasterthanthewindowed-sinc.Thisisbecausetheyarecarriedoutbyrecursionratherthanconvolution.Thedesignofthesefiltersisbasedonamathematicaltechniquecalledthez-transform,discussedinChapter33.ThischapterpresentstheinformationneededtouseChebyshevfilterswithoutwadingthroughamireofadvancedmathematics.CHAPTERChebyshevFilters20Chebyshevfiltersareusedtoseparateonebandoffrequenciesfromanother.Althoughtheycannotmatchtheperformanceofthewindowed-sincfilter,theyaremorethanadequateformanyapplications.TheprimaryattributeofChebyshevfiltersistheirspeed,typicallymorethananorderofmagnitudefasterthanthewindowed-sinc.Thisisbecausetheyarecarriedoutbyrecursionratherthanconvolution.Thedesignofthesefiltersisbasedonamathematicaltechniquecalledthez-transform,discussedinChapter33.ThischapterpresentstheinformationneededtouseChebyshevfilterswithoutwadingthroughamireofadvancedmathematics.TheChebyshevandButterworthResponsesTheChebyshevre……

摘要：本文说明如何设计模拟滤波器。它开始覆盖过滤器的基本原理，接着介绍巴特沃斯，切比雪夫，贝塞尔等基本类型，然后通过低通和高通滤波器的设计过程中引导读者。包括方程的推导和电路实现。Maxim>AppNotes>FilterCircuits(Analog)VideoCircuitsKeywords:analogfilterdesign,Butterworth,Chebyshev,Bessel,transferfunctions,2ndordersection,secondFeb13,2003ordersection,RCfiltersAPPLICATIONNOTE1795AnalogFilterDesignDemystifiedAbstract:Thisarticleshowshowtodesignanalogfilters.Itstartsbycoveringthefundamentalsoffilters,goesontointroducethebasictypeslikeButterworth,Chebyshev,andBessel,andthenguidesthereaderthroughthedesignprocessforlowpassandhighpassfilters.Includedarethederivationoftheequationsandthecircuitimplementation.It'sajungleoutthere.Asmalltribe,inthedensewilderness,ismuchsoughtafterbyheadhuntersfromthesurroundingplains.Knownthroughoutthelandfortheiresoteri……

ieee_GeneralCouplingMatrixSynthesisMethodsforChebyshevFilteringFunctions_RichardJIEEETRANSACTIONSONMICROWAVETHEORYANDTECHNIQUES,VOL.47,NO.4,APRIL1999433GeneralCouplingMatrixSynthesisMethodsforChebyshevFilteringFunctionsRichardJ.Cameron,SeniorMember,IEEEAbstract―Methodsarepresentedforthegenerationofthetransferpolynomials,andthenthedirectsynthesisofthecorrespondingcanonicalnetworkcouplingmatricesforChebyshev(i.e.,prescribed-equiripple)lteringfunctionsofthemostgeneralkind.Asimplerecursiontechniqueisdescribedforthegenerationofthepolynomialsforeven-orodd-degreeChebyshevlteringfunctionswithsymmetricallyorasymmetricallyprescribedtransmissionzerosand/orgroupdelayequalizationzeropairs.Themethodforthesynthesisofthecouplingmatrixforthecorrespondingsingle-ordouble-termina……

GeneralcouplingmatrixsynthesismethodsforChebyshevfilteringfunctionsIEEETRANSACTIONSONMICROWAVETHEORYANDTECHNIQUES,VOL.47,NO.4,APRIL1999433GeneralCouplingMatrixSynthesisMethodsforChebyshevFilteringFunctionsRichardJ.Cameron,SeniorMember,IEEEAbstract―Methodsarepresentedforthegenerationofthetransferpolynomials,andthenthedirectsynthesisofthecorrespondingcanonicalnetworkcouplingmatricesforChebyshev(i.e.,prescribed-equiripple)lteringfunctionsofthemostgeneralkind.Asimplerecursiontechniqueisdescribedforthegenerationofthepolynomialsforeven-orodd-degreeChebyshevlteringfunctionswithsymmetricallyorasymmetricallyprescribedtransmissionzerosand/orgroupdelayequalizationzeropairs.Themethodforthesynthesisofthecouplingmatrixforthecorrespondingsingle-ordouble-termina……

广义Chebyshev滤波器的交叉耦合模型实现维普资讯http://www.cqvip.com第３３卷第３期２００６年３月应用科技Ｖｏ１．３３，Ｎｏ．３Ｍａｒ．２ＯＯ６ＡｐｐｌｉｅｄＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙ文章编号：１００９―６７１Ｘ（２００６）０３―００１６―０４广义Ｃｈｅｂｙｓｈｅｖ滤波器的交叉耦合模型实现郗玫，苏涛，梁昌洪（西安电子科技大学天线与微波技术国家重点实验室。陕西西安７１００７１）摘要：通过对广义Ｃｈｅｂｙｓｈｅｖ滤波器设计的深入研究，提出了由指标得到传输零点的综合方法，再利用三腔结构确定网络拓扑结构并采取优化算法求解交叉耦合矩阵，最后用ＡｎｓｏｌｆＨＦＳＳ建立同轴腔体滤波器模型，仿真结果与理论结果吻合得较好，验证了这种综合方法的有效性．关键词：广义Ｃｈｅｂｙｓｈｅｖ；传输零点；交叉耦合；同轴腔体滤波器中图分类号：ＴＮ７１３文献标识码：ＡＣｒｏｓｓ－ｃｏｕｐｌｉｎｇｍｏｄｅｌｄｅｓｉｇｎｏｆｇｅｎｅｒａｌＣｈｅｂｙｓｈｅｖｉｌｆｔｅｒｓＸＩＭｅｉ，ＳＵＴａｏ，ＬＩＡＮＧＣｈａｎｇ－ｈｏｎｇ（ＮａｔｉｏｎａｌＬａ……

广义Chebyshev最优滤波器设计维普资讯http://www.cqvip.com第ｌ２Ａ期２００３年ｌ２月电ｆ学报Ｖ０１．３ｌＮｏ．１２ＡＤｅｃ．２０ｏ３ＡＣＴＡＦＩＣＴＲＯＮＩＣＡＳＩＮＩＣＡ广义Ｃｈｅｂｙｓｈｅｖ最优滤波器设计苏涛，梁昌洪，谢拥军（西安电科技人：电子ｌＩ＿程学院，陕西西安７１００７１）摘要：本文论证了等波纹广义Ｃｈｅｂｙｓｈｅｖ函数滤波器的最优化特性，提出了由设计指标得到广义Ｃｈｅｂｙｓｈｅｖ函数的方法，斤引入信号流图非常简便的得剑了对应网络的拓扑结构，最终完成滤波器的设计．本文对具有带外传输零点的滤波器设计具有相重要的意义．关键词：广义Ｃｈｅｂ），ｓｈｅｖ；滤波器；最优中图分类号：ＴＮ７１３．５文献标识码：Ａ文章编号：０３７２―２１１２（２００３）１２Ａ一２０１８―０３ＯｐｔｉｍｉｚａｔｉｏｎＦｉｌｔｅｒＤｅｓｉｇｎｗｉｔｈＧｅｎｅｒａｌＣｈｅｂｙｓｈｅｖＦｕｎｃｔｉｏｎｓＳＵＴａｏ，ＬＩＡＮＧＣｈａｎｇ―ｈｏｎｇ，ＸＩＥ……