Discrete Dynamics in Nature and Society

Research Article

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

Figure 3

Wave-spectra plots of Hangzhou urban population density distribution: 1964–2000.
728420.fig.003a
(a) 1964
728420.fig.003b
(b) 1982
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(c) 1990
728420.fig.003d
(d) 2000