地震数据中channel标识的意思

Channel     Description

EHZ/EHN/EHE Short Period 100 sps
BHZ/BHN/BHE Broad Band 20 sps
LHZ/LHN/LHE Long Period 1 sps
VHZ/VHN/VHE Very Long Period 0.1 sps
BCI         Broad Band Calibration Signal
ECI         Short Period Cal
LOG         Console Log
ACE         Administrative Clock Error
LCQ         1hz Clock Quality
OCF         Opaque Configuration File