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单词 Data assimilation
释义

Data assimilation

原声例句
TED演讲(视频版) 2023年9月合集

Mathematically, this is known as data assimilation.

从数学上讲,这称为数据同化。

TED演讲(视频版) 2023年9月合集

With data assimilation, we start updating the modelsas new data are collected from the system.

通过数据同化,当从系统收集新数据时,我们开始更新模型。

TED演讲(视频版) 2023年9月合集

Now that data assimilation is really importantbecause it's what personalizes the models to meand that then gets us to the fourth element, which is the element of prediction.

现在数据同化非常重要, 因为它使模型个性化, 然后让我们进入第四个要素,即预测要素。

中文百科

数据同化

数据同化是通过数学模型拟合观测数据的一种渐进方式,通常用于复杂系统的建模和动态预报。这类系统通常具有复杂的数学模型,自由度有时达到10^6,且因为观测数据体量庞大,使得对全体观测进行静态拟合成为不可能。

英语百科

Data assimilation 数据同化

Lewis Fry Richardson
fig.1 Pièce au temps initial.
fig.2 Prévision de la température.
fig.3 Une observation indiquant 17°c.

A numerical model determines how a model state at a particular time changes into the model state at a later time. Even if the numerical model were a perfect representation of an actual system (which of course can rarely if ever be the case) in order to make a perfect forecast of the future state of the actual system the initial state of the numerical model would also have to be a perfect representation of the actual state of the system.

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更新时间:2025/6/19 2:16:13