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数码调绘系统以仿射变换方程描述卫星影像的投影几何关系,用到实地采集1-2个定向点的方法,在PDA上实现卫星影像导航。并按摄影测量的原理分析导航误差来源,在生产实践中如何克服它。
Digital mapping system uses affine transformation equations to describe the projection geometric relationship of satellite images. The method of collecting 1-2 directional points in the field is used to realize satellite image navigation on PDA. And according to the principle of photogrammetric analysis of the source of navigation error, how to overcome it in production practice.