供应美国苏威PEEK KT-880 CF30耐水解
KT-880CF30PEEK美国苏威******美国苏威PEEKKT-880CF30产品介绍:KT-880CF30耐高温好,刚性强度好,注塑成型,易流动,FDA食品接触标准,黑色。主要应用:机械零部件,电气,汽车配件,化工及耐化学性好的工程制品。食品级,PEEK主要应用:机械零部件,电气,汽车配件,化工及耐化学性好的工程制品。可在250℃下长期使用,与其他耐高温塑料如PI、PPS、PTFE、PPO等相比,使用温度上限高出近50℃;PEEK树脂不仅耐热性比其他耐高温塑料优异,而且具有高强度、高模量、高断裂韧性以及优良的尺寸稳定性;PEEK材料PEEK在高温下能保持较高的强度,它在200℃时的弯曲强度达24MPa左右,在250℃下弯曲强度和压缩强度仍有12~13MPa;PEEK的刚性较大,尺寸稳定性较好,线胀系数较小,非常接近于金属铝材料;美国苏威PEEKKT-880CF30特性:在航天、***、半导体、制药和食品加工业得到非常普遍的应用,如卫XIN上的气体分板仪构件、热交换器刮片;因其优越的摩擦性能,在摩擦应用领域成为理想材料,如套筒轴承、滑动轴承、阀门座、密封圈、泵耐磨环等。各种生产线用零部件,半导体液晶制造装置零部件,检验装置零部件,制造用治具,原子能关联零部件,电子元件,各种精密机器零部件,食品加工线关联零部件,化学机械设备关联零部件,熔接机器关联零部件,镀金加工机器关联零部件,金属表面处理关联零部件,绝热部件等。美国苏威PEEKKT-880CF30详解:Thetran***issionofinformationoverfrequencyselectivedigitalcommunicati***channelsissubjecttointersymbolinterference(ISI).EqualizationhasproventobeaneffectivemeansforremovingISI.Thecommonlyusedapproachem-ploysaknownsequenceoftrainingsymbolsandtheequalizercoefficientsarethenadaptedbyusingsomeadaptivealgorithmsothattheoutputoftheequalizercloselymatchesthetrainingsequencesbyminimizingthemean-squares-error(MMSE)criterion.However,inmanyhighdataratebandlimiteddig-italcommunicati***systems,thetran***issionofatrainingsequenceresultsinasignificantreductionintheeffectivecommunicationlinkdatarate.Therefore,insteadofusingatrainingsequence,onlysomestatisticalorstructuralpropertiesofthetran***ittedandreceivedsignalcanbeexploitedinablindprocesstoadapttheequalizeri.e.blindequalization.Oneofthesimplestandthemosteffectiveblindequalizationschemesisthec***tantmodulusalgorithm(CMA)[1],[2],whichusesc***tantmodularityasthedesiredpropertyoftheoutputofthereceiver.Agreatdealofresearchaboutconvergencebeh***iorhasbeenreportedbutalackofcom-prehensionabouttheglobalconvergenceofthesealgorithmshaslimitedtheirutilization.Globalconvergencehasbeenprovenunderidealconditi***[1],[2],[3],[4](e.g.,noise-freeanddoublyinfiniteequalizer)providingtheinversetransferfunctionofthechannel.However,thisassumptioncanbeexcessiveandthechannelnoisemustbec***ideredinthedesignoftheequalizer.Recently,Zengetal.[5]h***eproposedinterestingresultsontherelashi***hipsbetweenblindandWienerreceiversinthenoisycase.TheyobservethatifaWienerequalizerreachesanacceptableMSEperformance,thereexistsaCMequalizerinitsimmediatenei***orhoodwhichisapproximatelyascaledversionoftheWienerreceiver.)