基于gis城镇定级估价和网格地价模型探讨的的分析

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1、基予GIS的城镇定级估价和网格地价模型的探讨与分柝摘要蠛镄定缀售徐楚±遣资源管理豹一令重要缀戎都分。遴过城镇±戆定级蠢基准地价更新可以保证国家土地所有权在经济上的实现以及利用经济学段强化土地资产管理，可以促进土地使用制度改革，谢偿出让、转让国有土地所有权，加强国家对±建审场的管理，促进瘫豢交易，从两为全嚣、辩学、合臻缝傻用城镇土地提供依据。本文依托于合肥市2007年城镇土地定级估价项目，首先分析了课题的国内外研究现状，探讨了与城镇定级、基准地价更新以及网格地价模型分析相关的蓑于关键技术，包摇±建售羧理论、建理售患系绞技本、毒枣经霹络BP算法建模等。在城镳定级中，我们讨论了城镇土

2、地定级的工作步骤、因素体系的建立、因素资料的整理和量化等，然后利用GIS软件对定级进行了详细的计算，最后给出了定级成果。基准地价中我们饕霪讨论了样点地价计算釉修正的常熠方法，程趸襻患滚徐平缘蓬法秘霾素魄较法对基准戆徐遗行了求瓣秘分耩。蠲榛遣蛰是本文的创新点，也鼹本文着重讨论的内容，对网格地价的概念、特点、意义进行了阐述。并利用回归模型和神缀网络BP模型对网格地价谶行了测算和分析。最后总结论文，莠提爨若干后续磷究建议。关键字：城镇定级估价；地理信息系统；BP算法；网格地价ThetownlandclassificationandpriceevaluationbasedontheGI

3、Sandgridsoil-rentvaluemodeldiscussionandanalysisABSTRACTtownlandclassificationandpriceevaluationisallimportantconstituentofthelandresourcemanagement．Throughthetownlandclassificationanddatumsoil—rentvaluerenewalmayguaranteethecountrylandownershipintheeconomicalrealization8swellastheuseeconomi

4、calmethodstrengtheninglandpropertymanagement，maypromotethelandusingsystemreform，paidsells，transferstate-ownedlandpropertyrie斑ts，strengthenthecountrytothelandmarketmanagement，promotenormaltransaction,thusprovidethebasisforusingtheci锣landcomprehensive，scientific，reasonably．Thisarticledependson

5、thetownlandclassificationandlandpriceevaluationprojectofHefeiin2007，firstanalyzesthedomesticandforeignresearchpresentsituationofthistopic，discussescertainessentialtechnologiesrelatedtothetownlandestablishedgrades,thedatumsoil*rentvaluerenewalwiththecitiesaswellasthegridsoil-rentvaluemodelana

6、lysis,includinglandappraisaltheory,GIStechnology,artificialnepalnetworkalgorithmofBPandsoon．Inthetownlandclassification，wediscusstheworksteps，thefactorsystemestablishment,thefactormaterialreorganizationandthequantificationofthetownlandclassificationandsoon,thenusingGISsoftwaretocarryonthedet

7、ailedcomputationfortheestablishedgrades，finallyproducetheachievementoftheestablishedgrades．Inthedatumsoil—rentvalueweemphaticallydiscussthecommonmethodsofthesamplespotsoil—rentvaluecomputationandtherevision，carryOllthesolutionandtheanalysisfortheda