简介:AnewFFTalgorithmhasbeendeduced,whichiscalledthebase-6FFTalgorithm.TheamountforcalculatingtheDFTofcomplexsequenceofN=2rbythebase-6FFTalgorithmisMr(N)=14/3*Nlog6N-4N+4formultiplicationoperationofrealnumberandAr(N)=23/3*Nlog6N-2N+2foradditionoperationofrealnumber.TheamountforcalculatingtheDFTofrealsequenceisahalfofitwiththecomplexsequence.
简介:Aneworganicsemiconductortartaricaciddopedsaltofemeraldinepolyaniline(PANI-C4H6O6)hasbeenobtainedbythemethodofoxidativepolymerizationofmonomericanilinewithammoniumpersulfateinacidicsolution.ThestructurewascharacterizedbyFourierTransformInfraredtechnique(FTIR)andX-raydiffraction(XRD).Thetemperaturedependencedcconductivityδdc(T)showsasemiconductorbehaviorandfollowsthequasionedimensionalvariablerangehopping(Q1D-VRH)model.Dataonδdc(T)arealsodiscussed.
简介:IPv6的产业发展有着一个看似矛盾的存在。一方面是IPv4地址即将耗尽,IPv6急待施行。另一方面,IPv6在过去较长一段时间内部署进展缓慢。究其原因,一个重要的症结就在于如何能够让IPv6与IPv4平稳衔接。对于业界信心而言,此时也急需一个成功的商用案例做出支撑。华为,被IPv6论坛主席LatifLadid视作"IPv6领域的领导者",不仅在IPv6的标准制定上扮演着重要的角色,同时在IPv6的演进策略上也已经提出了明确的解决方案,并且实现了解决方案的成功"落地"。相信华为在IPv6上的思考和实践能够给业界以有益的借鉴和帮助。