摘要
将滑坡位移观测值时间序列视为非平稳随机过程 ,采用建立系统的同态模型的方法提取短期异常 ,并给出了异常识别准则、有序度计算公式 ;用一阶差分进行高通滤波的方法提取临滑异常并进行预测 ;根据异常时刻组成的灾变日期集用灰色灾变模型进行预测。
The time series of displacement measured in situ of landslide is regarded as the unstable random process in the paper. The short term abnormalities are extracted by means of the homomorphic model and the identification criterion of abnormalities and computing formula of order degree are given. The critical sliding abnormalities are extracted with one degree difference equation for high pass filter. The prediction is conducted with the grey catastrophe model through the abrupt date set composed of abnormality times.
出处
《岩土力学》
EI
CSCD
2000年第1期36-39,共4页
Rock and Soil Mechanics
基金
中国科学院"百人计划"基金
关键词
短期异常
临滑异常
异常识别准则
滑坡
short term abnormality, critical sliding abnormality, identification criterion of abnormality, probability, grey catastrophe
