Approximate maximum likelihood parameter estimates for stochastic distributed parameter systems

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作者
Leland, R
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TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We describe a fast method to calculate maximum likelihood parameter estimates for stochastic distributed parameter systems from sampled data. We characterize the observations by an approximate one step predictor that uses a fixed number of past observations, and its error covariance. From these we calculate the log-likelihood functional, and find the estimate by iterative search. Estimators for an integral equation and two heat equations driven by white noise are derived and simulated.
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页码:3693 / 3697
页数:5
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