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Size: 834
Comment:
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Size: 1156
Comment:
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| [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8466|TMSX-VISのgeophoneのデータシート]] |
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| {{attachment:Hgeo.png||width=500}} | |
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| ||geophone||serial number|| ||H1||#4|| ||H2||#5|| ||H3||#2|| ||V1||404084242|| ||V2||404080976|| ||V3||404084241|| |
* G_e: Generator Constant [V/(m/s)] * η : Damping ratio * ω0:Resonant angular frequency of geophone [rad/s] [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8466|TMSX-VISのgeophoneのデータシート]] ||geophone||serial number||G_e||η||ω0=2pi*f0|| ||H1||#4||287.91||0.285||2pi*1.01|| ||H2||#5||285.68||0.284||2pi*1.01|| ||H3||#2||281.92||0.290||2pi*0.97|| ||V1||404084242||274.76||0.296||2pi*0.96|| ||V2||404080976||286.11||0.299||2pi*1|| ||V3||404084241||273.74||0.293||2pi*1|| |
19/05/22
What we did
- geophoneのcalibration
今のところ(追記，19/05/24現在)，フィルター通過後のgeophoneの信号が変になったり，発散する様子は見られない。 データシートを元に，geophoneのcalibrationファクターを詰めた。
参考
- geophoneの周波数応答
- G_e: Generator Constant [V/(m/s)]
- η : Damping ratio
- ω0:Resonant angular frequency of geophone [rad/s]
geophone |
serial number |
G_e |
η |
ω0=2pi*f0 |
H1 |
#4 |
287.91 |
0.285 |
2pi*1.01 |
H2 |
#5 |
285.68 |
0.284 |
2pi*1.01 |
H3 |
#2 |
281.92 |
0.290 |
2pi*0.97 |
V1 |
404084242 |
274.76 |
0.296 |
2pi*0.96 |
V2 |
404080976 |
286.11 |
0.299 |
2pi*1 |
V3 |
404084241 |
273.74 |
0.293 |
2pi*1 |
geophoneの応答