Size: 1156
Comment:
|
Size: 1337
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 28: | Line 28: |
||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||serial number||G_e||η||ω0=2pi*f0||Hgeo|| ||H1||#4||287.91||0.285||2pi*1.01||[[attachment:H1_Hgeo.png]]|| ||H2||#5||285.68||0.284||2pi*1.01||[[attachment:H2_Hgeo.png]]|| ||H3||#2||281.92||0.290||2pi*0.97||[[attachment:H3_Hgeo.png]]|| ||V1||404084242||274.76||0.296||2pi*0.96||[[attachment:V1_Hgeo.png]]|| ||V2||404080976||286.11||0.299||2pi*1||[[attachment:V2_Hgeo.png]]|| ||V3||404084241||273.74||0.293||2pi*1||[[attachment:V3_Hgeo.png]]|| |
Line 36: | Line 36: |
* Horizontal | |
Line 37: | Line 38: |
geophoneの応答 |
* Vertical |
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 |
Hgeo |
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 |
- Horizontal
- Vertical