本文对数字化误差进行了分析。
地形图数字化误差造成地物几何形变，采用测量平差的理论方法可以减弱形变。
The digitalization errors of topographic map result in geometry change for the objects on the earth. We can reduce geometry change by means of measuring adjustment.
应用时间序列分析理论研究了数字化误差的数学模型，并且用实例计算模拟了数字化误差对数字化数据精度的影响。
The statistical model with a time series analysis are discussed. And some examples are given to simulate the effects of these errors on the digitized data accuracy.
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