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| * Miyakawa, Yamamoto, Oshino | |
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| * Delay from timing slave to IOP model * Time stamp |
* Delay from timing slave to IOP model (1PPS sampled at 960Hz) * Time stamp at data concentrator |
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---- === Action items === * 1paper or 2papers? or series? |
2020/4/30 10:00~ DGS meeting for paper
- Miyakawa, Yamamoto, Oshino
Target paper
- LIGO-P2000107: Software X
- Computer related
- Physics for timing: CQG?
Contents
- KAGRA
- System
- 3km observatory
- Real time OS
- IO chassis
- ADC/DAC
- RFM, Dolphin
- EPICS
- Timing
- General network
- Control room (client)
- Sampling
- Rate
AA/AI ->
- Control
- Real time models, connected by RFM and Dolphin
- Transfer function
- DAQ
- Historical
- Data streaming
- Data amount
- Transfer speed from each RTPC
- Data monitor system
software(dataviewr, DTT, StripTool. ndscope)
Response to user request -> client
- Timing
- Difference from GPS time
- Offset ~200ns
- Delay from master to slave (~15ns)
- Delay from timing slave to IOP model (1PPS sampled at 960Hz)
- Time stamp at data concentrator
- Difference from GPS time
Action items
- 1paper or 2papers? or series?