www.pudn.com > gdqj1a302.zip > a3.hd

Unit Serial Number: 62 
Event Number :     3 
Selected Channels : ch1   ch2  ch3 
Clock Synchronization Source : Back-Up-Clock  
Record Kind : Event Record 
Timezone Offset : 8 
Latitude of Unit Location : N 39deg 59' 13 
Longitude of Unit Location :E 116deg 78' 45 
Elevation of Unit Location : 11050 m 
Azmuth of Sensor : 0 
Full Scale Range of Standard FBA : +/- 2g 
Natural frequency of FBA is : 80Hz , 80Hz , 80Hz 
Sensitivity of FBA is : 1250mv/g , 1250mv/g , 1250mv/g 
Damping ratio of FBA is : .70, .70, .70 
Channel I.D string :11111111,22222222,33333333 
Report Intensity Parameters : Yes 
Threshold for defined duration : 20% 
Selected four frequencies for calculating responses spectrum : 8Hz 5Hz 2Hz 1Hz  
The AFT weight is :  0.85,0.05,0.10 
The Res weight is :  .1, .4, .1, .4 
The 3_r weight is :  .4, .6 
Sample Frequency :  250 Hz 
Preamplifier Gains : X1 
High Pass filter: DC coupled 
Internal Channel Trigger Votes:  2,  1,  1 
External Trigger Votes: 2 
Total number of weights required to trigger: 2 
Pre-event Memory Length: 4 sec 
Post-event Memory Length: 10 sec 
Minimum Run Time: 20 sec 
Channel Trigger Algorithm: 1.Bandpass  2.STA versus LTA  3.STA versus LTA 
LTA Critical Value: 32 
STA Length: 100 samples 
LTA Length: 20 STA 
STA/LTA difference or Bandpass-filtered Thresholds :  128, 128, 128 
STA/LTA ratio: 3,3,3 
GPS Turn-on interval : 240 min 
File Lengh : 4992 
Event start_time :2000/2/12 18:26:22 912 
Time of last synchronization time : 2000/2/12 18:25:20 
New time of last synchronization time : 2000/2/12 18:25:20 0 
Old time of last synchronization time : 2000/2/12 18:25:20 0 
Channel Positive Maximum of record : 18,8,15 
Channel Negative Maximum of record : 17,7,14 
User Comment: ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEF