文章详细信息 关键词： “开关”;;变分资料同化;;梯度;;伴随方法 [gap=753]Keywords: "on-off"switch;variational data assimilation;gradient;adjoint methods
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四维变分资料同化 four-dimensional variational data assimilation
区域四维变分资料同化 Area four dimensional variational data assimilation
四维变分资料伴随同化 four-dimension adjoint variation data assimilation
It is a key problem of variational data assimilation to describe the background error covariance.
实际大气单变量背景场误差协方差接近各向同性,准确描述背景场误差协方差是做好变分资料同化的一个关键问题。
参考来源 - 背景场误差协方差估计技术的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文研究了两类含有“开关”的物理过程的变分资料同化问题。
In this paper, the variational data assimilation of two kinds of physical model including "on-off"...
最后对MM5伴随模式系统进行了梯度检验，并利用实际资料进行四维变分资料同化试验。
Furthermore, the conventional observations are done in the MM5 model system, and a four-dimensional variational data assimilation test is made based on observed data.
应用伴随方法求解以数值预报方程作为约束条件的四维变分资料同化方案，关键问题是如何构造伴随模式。
The key problem of four-dimensional variational data assimilation method, which solves the constraining numerical predict equations through accompanied model, is how to establish an accompanied model.
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