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摘要 利用深圳市企業(yè)空間分布數(shù)據(jù),以街道為基本空間單元,運(yùn)用主成分分析提取因子達(dá)到產(chǎn)業(yè)變量降維和抽象目的,在此基礎(chǔ)上構(gòu)建SOM神經(jīng)網(wǎng)絡(luò)進(jìn)行聚類分析,通過PCA-SOM耦合模型實(shí)現(xiàn)了對城市內(nèi)部產(chǎn)業(yè)空間分類和結(jié)構(gòu)描述。研究表明：街道的產(chǎn)業(yè)功能可以通過提取各產(chǎn)業(yè)企業(yè)分布數(shù)據(jù)的主成分因子來表征;PCA-SOM耦合模型將深圳產(chǎn)業(yè)空間劃分為6種類型區(qū),分類結(jié)果與實(shí)際吻合;深圳城市產(chǎn)業(yè)結(jié)構(gòu)存在空間分異,有別于傳統(tǒng)城市的同心環(huán)形模式,深圳城市中心區(qū)位于地理空間的底部,以集聚型現(xiàn)代服務(wù)業(yè)為中心、整體呈扇型輻射,并具有明顯的路徑依賴特征;深圳東部分區(qū)產(chǎn)業(yè)功能現(xiàn)狀仍不明朗,需要對該區(qū)域做進(jìn)一步的空間結(jié)構(gòu)規(guī)劃和政策支持,以形成多中心的產(chǎn)業(yè)輻射模式。

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

基金資助:國家自然科學(xué)基金(41001385); 國家科技支撐計(jì)劃項(xiàng)目(2012BAJ15B02)

作者簡介: 作者簡介：章文（1978-）,男,安徽安慶人,博士生。主要從事城市產(chǎn)業(yè)規(guī)劃與模擬研究。E-mail:

引用本文:   

章文, 王佳璆. 基于PCA-SOM的深圳產(chǎn)業(yè)空間結(jié)構(gòu)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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  研究區(qū)域街道行政圖

  各主因子得分空間分布圖

  深圳產(chǎn)業(yè)類型區(qū)街道分布格局

  深圳產(chǎn)業(yè)扇形模式空間結(jié)構(gòu)圖

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