On the Smoothness Constraints for Four-D
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Ching-Long Lin; Tianfeng Chai; Juanzhen Sun
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Article
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2002
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Elsevier Science
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English
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An algorithm for determination of the weights of smoothness penalty constraints for the four-dimensional variational data assimilation technique is proposed and evaluated. To study the nature of smoothness penalty constraints, a simple nonlinear harmonic oscillator problem is first considered. Penal