Identification and Elimination of Outliers in Seismic Events Detection based on STA/LTA Method
Fast and accurate judgment to seismic is the key technology of earthquake early warning,interference signal in background noise would cause misjudgment.Combined with the characteristics of STA/LTA method,an identification and substitution of outliers method based on short-time window is proposed.The outliers could be identified accurately,and the trend of original signal could be held better by the substitution value.Through the simulation analysis and waveform test of seismic,it is verified that this method has a sizable effect on eliminating pulse interference,and it has a certain effect on weakening short time continuous interference,therefore the mistake rate of seismic detection is reduced.
Seismic events detection Grubbs Criterion Outliers detection Data processing
SHEN Nan YU Jian-hua
College of Economics and Management,Harbin Engineering University,P.R.China,150001 Ordnance Engineering College,P.R.China,050003
国际会议
北京
英文
63-67
2012-10-17（万方平台首次上网日期，不代表论文的发表时间）