《Table 5.Time-averaged values of the RMSE of the three states of the Lorenz-63 model with different
本系列图表出处文件名:随高清版一同展现
《Data Assimilation Method Based on the Constraints of Confidence Region》
It is also interesting to study the estimated inflation values of the three methods with different initial condition settings.As we know,the initial state is biased and the variance inflation technique should be adopted in the first several steps.Here,we consider the mean value of the inflation parameter estimation in the first six steps.Table 5 gives the mean value of the inflation parameter with an increase in the bias of the initial state settings.From this table,we can see that the estimation of the inflation parameter of the new method is more reasonable than the other two methods.That is,when the deviation of the initial state is zero,a smaller inflation should be adopted,and with an increase in the deviation,the inflation parameter should also increase.The inflation estimation of the W-B method is always very large,and the variation of the SLS method is not as reasonable as the new method.
图表编号 | XD0015818600 严禁用于非法目的 |
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绘制时间 | 2018.03.10 |
作者 | Yong LI、Siming LI、Yao SHENG、Luheng WANG |
绘制单位 | School of Statistics, Beijing Normal University、School of Statistics, Beijing Normal University、School of Mathematical Sciences, Beijing Normal University、School of Mathematical Sciences, Beijing Normal University |
更多格式 | 高清、无水印(增值服务) |
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