An Improved Hilbert Spectral Representation Method for Synthesizing Spatially Correlated Earthquake Ground Motions and Its Error Assessment

Figure 10

Comparison of the closed-form stochastic errors of temporal covariance among the six types of methods: (a) Var11; (b) Var22; and (c) Var33; (d) Cov12; (e) Cov13; and (f) Cov23.

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