本文提出了基于GML的矢量空间数据转换方案，探讨了基于这个方案实现空间数据共享的相关问题。
With the theoretical research, the paper actualized a method of vector spatial data conversion based on GML. Thus can resolve the interrelated matter of spatial data sharing further.
该算法首先将矢量水听器阵元的空间数据转换到波束空间，然后对转换后的数据再运用MVDR算法。
In this algorithm, the spatial data from the elements of the vector sensors array are transformed to that in the beam space at first, then MVDR algorithm is used for the transformed data.
空间数据处理内容广泛，本文选择空间数据处理领域的矢量数据结构与栅格数据结构之间的相互转换、不同空间数据格式的数据转换方法等几个方面作为研究的内容。
Some parts have been researched which are approach for mutual transferring between vector structure and raster structure, the switchover of different data format. This thesis has three parts.
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