A Wave-Spectrum Analysis of Urban Population Density: Entropy, Fractal, and Spatial Localization

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="728420.fig.006a" src="https://static.hindawi.com/articles/ddns/volume-2008/728420/figures/728420.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>ACF histogram</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="728420.fig.006b" src="https://static.hindawi.com/articles/ddns/volume-2008/728420/figures/728420.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>PACF histogram</td></tr></table></td></tr></table>

<table>Histograms of spatial ACF and PACF based on the exponential distribution.</table>

Discrete Dynamics in Nature and Society

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Figure 6

Figure 6: A Wave-Spectrum Analysis of Urban Population Density: Entropy, Fractal, and Spatial Localization 