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简述了数字地图在对地攻击中的研究现状 ,结合栅格法数字地图和矢量化数字地图的优点 ,提出了交错式存储栅格法 ,其存储量减小 ,并改进了二维插值算法 ,形成交错式栅格存储结合修正的二维三次卷积插值构成的交错式栅格法数字地图 ,数字仿真表明该数字地图在存储量、计算量和精度上都满足对地攻击的需求。
In this paper, the research status of digital map in ground attack is briefly introduced. Combined with the advantages of raster method digital map and vectorized digital map, an interleaved storage raster method is proposed. Its memory capacity is reduced and the two - dimensional interpolation algorithm To form an interleaved raster digital map composed of interleaved raster storage combined with a modified two-dimensional cubic convolution interpolation. Numerical simulation shows that the digital map meets the requirements of ground attack in terms of storage, computation and accuracy.