简介:Urbantransportationiscloselyrelatedtolanduse.Thechangesoftransportationcostandaccessibilityhaveadirectimpactonlanduseandlandprices.Landexploitationandlanduseplayaroleofredistributingtrafficflowintheurbandistricts.]Realpropertyvaluesareregardedasasolecomprehensiveindexrepresentingallthebenefitsgeneratedbytransportinvestment.Wehaveappliedthetheoryoftimevalueontransportationtolandpricemodeltoevaluatetheincreasedvalueofrealestateresultingfromimprovedaccessibility.Agencyresponsibleforthedevelopmentofurbantransportinfrastructurecancapturepartofthefinancialbenefitgainedbyrealestatedevelopmentthroughavarietyofvaluecapture.Thisenablesustotransferindirectbenefitoftransportinfrastructureconstructiontotransportenterpriseandachieveabenigncyclebetweenurbantransportinvestmentandlandexploitation.
简介:新奇秒顺序非线性的光色基(DCDHF-2-V)被丁间醇醛冷凝作用反应从3-Hydroxy-3-methyl-2-butanae,propanedinitrile和4-diethylaminobenzaldehyde综合。分子的结构的描述被元素的分析,FTIR,和1H-NMR系列调查。从DSCthermogram获得的融化的点是几乎251掳C,并且混合物显示出热稳定性直到270掳C。色基的秒顺序NLO性质被solvatochromic方法测量。从量机械的二水平的模型,DCDHF-2-V的渭g尾价值是6520脳,这能被获得10?在1064nm的波长的48esu。CLC数字O621.21
简介:SNRestimationofcommunicationsignalsisimportanttoimprovedemodulationperformanceandchannelqualityofcommunicationsystem,thusitisanimportantresearchissueofcommunicationfield.AccordingtothecoreproblemofautocorrelationmatrixsingularvalueinSNRestimationprocess,throughmakinguseofhouseholdertransformingautocorrelationmatrixintotridiagonalmatrix,andbyusingtherelationofcorrespondingcharacteristicequationcoefficientsandsingularvalue,anumericalalgorithmisgi...
简介:Thispaperpresentsthelowerboundsandupperboundsforthemeanvalueandvarianceofdistancedistributionofnon-linearcodesinGF(q).Bypresentingseveralexamples,itisshownthattheseboundscouldbeachieved.