The wind error retrieved with VAP method mainly focus on tangential velocity, sometimes the error is very big.
VAP法反演的二维风场，误差主要集中在切向分量，有时误差是很大的。
The information of sub-synoptic scale can be maintained in the retrieved wind field.
这个假定可以保证反演所得的风矢量场中仍保留次天气尺度的风场信息。
Wind field retrieval from dual-Doppler radar data USES synthesis technique, and the vertical velocity is obtained by using continuity equation, then the three-dimensional wind fields are retrieved.
双多普勒天气雷达反演风场是以直接合成法为基础，垂直速度通过连续方程得到，反演天气系统的三维风场。
A variational method for retrieving wind vector from single-Doppler wind measurements is developed and the initial forecast fields are created from the retrieved winds.
文中给了一种由单多普勒雷达资料反演风矢量场的变分方法，并由此形成预报初始场。
The data processing and variational algorithm for 3-D wind field retrieval by bistatic Doppler radar network are developed and bias of retrieved wind is analyzed.
研究了双多基地多普勒雷达资料的配对方法、风场反演的区域和精度，并研制了基于三维变分方法的双多基地多普勒雷达系统的风场反演系统。
The data processing and variational algorithm for 3-D wind field retrieval by bistatic Doppler radar network are developed and bias of retrieved wind is analyzed.
研究了双多基地多普勒雷达资料的配对方法、风场反演的区域和精度，并研制了基于三维变分方法的双多基地多普勒雷达系统的风场反演系统。
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