SOM的深圳产业空间结构研究

  本文关键词：西北地区农业技术扩散环境的空间分异——以陕、甘、宁县域为例，，由笔耕文化传播整理发布。

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摘要 利用深圳市企业空间分布数据,以街道为基本空间单元,运用主成分分析提取因子达到产业变量降维和抽象目的,在此基础上构建SOM神经网络进行聚类分析,通过PCA-SOM耦合模型实现了对城市内部产业空间分类和结构描述。研究表明：街道的产业功能可以通过提取各产业企业分布数据的主成分因子来表征;PCA-SOM耦合模型将深圳产业空间划分为6种类型区,分类结果与实际吻合;深圳城市产业结构存在空间分异,有别于传统城市的同心环形模式,深圳城市中心区位于地理空间的底部,以集聚型现代服务业为中心、整体呈扇型辐射,并具有明显的路径依赖特征;深圳东部分区产业功能现状仍不明朗,需要对该区域做进一步的空间结构规划和政策支持,以形成多中心的产业辐射模式。

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收稿日期: 2013-06-11      出版日期: 2014-11-10

基金资助:国家自然科学基金(41001385); 国家科技支撑计划项目(2012BAJ15B02)

作者简介: 作者简介：章文（1978-）,男,安徽安庆人,博士生。主要从事城市产业规划与模拟研究。E-mail:

引用本文:   

章文, 王佳璆. 基于PCA-SOM的深圳产业空间结构研究[J]. 地理研究, 2014, 33(9): 1736-1746.
ZHANG Wen, WANG Jiaqiu. A research on Shenzhen’s industrial spatial structure based on PCA-SOM. GEOGRAPHICAL RESEARCH, 2014, 33(9): 1736-1746.

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  研究区域街道行政图

  各主因子得分空间分布图

  深圳产业类型区街道分布格局

  深圳产业扇形模式空间结构图

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  本文关键词：西北地区农业技术扩散环境的空间分异——以陕、甘、宁县域为例，由笔耕文化传播整理发布。