Developing data assimilation system of numeric predict model by using the adjoint code technique is one of new four - dimensional data assimilation methods 用伴随码方法构造数值预报模式的伴随同化系统是目前较新的四维同化方法之一。
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Developing data assimilation system of numeric predict model by the use of adjoint coding technique is one of the new four - dimensional data assimilation methods 而用伴随码方法构造数值预报模式的四维变分伴随同化系统则是目前国际主流的方法之一。
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The article designs the mesoscale numeric forecasting modek the scheme of objective analysis and four - dimensional data assimilation of global meteorologic data and the bidirectional nested scheme of mm5 model in detail 对中期数值天气预报模式、全球气象资料客观分析和四维同化方案，以及mm5模式的双向嵌套方案进行了详细设计。
