简介:本文得到几个关于多变量Hp空间中函数Fourier系数的不等式.与单变量相应情形相比,我们的证明方法有较大的变化.
简介:在由Brackx的最近的报纸,Delanghe;Sommen,一些基本更高维的分布在克利福德分析的框架被重新考虑,最后在欧几里德几何学的空格导致新分布的四个宽广的类的介绍。在当前的纸,我们继续这些分布的深入的学习,更明确地他们在频率空间的行为的学习,泛音分析的因此延长的古典结果。
简介:ThispapergivesthetheoremsconcerningthesummationoftrigonometricseriesWiththehelpofFouriertransforms.BymeansoftheknownresultsofFouriertransforms,manydifficultandcomplexproblemsofsummationoftrigonometricseriescanbesolved.Thismethodisacomparativelyunusualwaytofindthesummationoftrigonometricseries.andhasbeenusedtoestablishthecomprehensivetableofsummationoftrigonometricseries.Inthistable.10thousandseriesaregiven.andmostofthemarenew.
简介:Eccentricphoto-refractionusuallyisusedasearlyeyesightdiagnostictestofinfantsandsmallchildren.Unlikecurrentlyapprovedgeometricalopticalmodelofeccentricphotorefractometer,thecrescentformationandthelight-intensitydistributioninthepupilimageofamyopiceyeareanalyzedbyFourieropticswiththeassumptionofanisotropicscatteringretina.Inthecaseoflittlecircularlightsourceandrectangularslit,thesimulationresultsofdifferentmyopicdioptersareobtainedbygeometricalopticaltheoryandFourieropticsrespectively.ItisfoundthatthesimulationresultsbyFourieropticsaresimilarasthoseobtainedbygeometricaloptics,andallsimulationsarealmostcorrespondingtotheexperimentalresult.Theresultdemonstratesthatthenewmethodpresentedhereisfeasible.
简介:Inthispaper,thetheoremsconcerningthesummationofFourierserieswithparameteraregivenbyusingtheLaplacetransforms.BymeansoftheknownresultofLaplacetransforms,manynew,importantproblemsofsummationofFourierserieswithparameterinmechanicscanbesolved.
简介:ThepurposeofthispaperistostudythepointwiseandalmosteverywhereconvergenceoftheCesaromeans(C,δ)ofFourier-Jacobiexpansions,themaintermoftheLebesgueconstantofthe(C,8)meansfor-1<δ≤α+1/2isobtained.WiththeaidofthegeneralizedtranslationintermsofJacobipolynomials,pointwiseconvergencetheoremsofthe(C,δ)meansforδ>α+1/2andequiconvergencetheoremsfor-1<δ≤α+1/2areproved.TheanaloguesoftheLebesgue,SalemandYoungtheoremsoftheCesaromeansatthecriticalindexδ=α+1/2areestablished.
简介:一个一般summability方法,所谓的胃-summability为多维的Fourier变换被考虑。在胃上的一些条件下面,工具在一个锥定义的胃-的最大的操作符从汞齐哈迪空格W被围住,这被证明(hp,吗?鈭?到W(Lp,?鈭?。这暗示几乎到处,胃-的集中为所有f鈭?W在一个锥意味着(L1,吗?鈭??L1。关键词维纳汞齐空格-本地强壮的空格-Fourier的胃-summability转变-原子分解先生(2000)题目分类42B08-46E30-42B30-42A38由匈牙利科学研究资金(OTKA)支持了没有。K67642
简介:WeproposetwoschemesfortheimplementationofquantumdiscreteFouriertransformintheiontrapsys-tem.Ineachschemewedesignatunabletwo-qubitphasegateasthemainingredient.Theexperimentalimplementationoftheschemeswouldbeanimportantsteptowardcomplexquantumcomputationintheiontrapsystem.