Abstract: This paper gives an idea that surveying observation error belongs to gray system. The basic principle and application procedure are introduced, and the way to use the gray system theory to predict the subsidence observation error and subsidence value is also described.

Key words: gray system, observation error, subsidence value

摘要： 本文认为测量观测误差是属于灰色系统,文中阐述了灰色预测系统的基本理论和应用方法,并用此理论解决高层建筑物的沉降观测误差和沉降值的预测问题。

关键词: 灰色系统, 观测误差, 沉降值