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PEM (Center)
takaaki.yokozawa - 8:24 Saturday 12 April 2025 (33376) Print this report
PEM injection memo 250412
I performed the PEM injection test this morning.

2025/04/11 6:17:00 - 06:52:00 Shaker injection test IMM #1
Excitation : K1:PEM-EXCITATION_MCF0_RACK_9_EXC
50 - 900 Hz , 5Hz resolution, 10 s in each measurement, 100 cnt
Fig.1. showed the whitening spectrogram

2025/04/11 6:52:00 - 07:27:00 Shaker injection test IMM #2
Excitation : K1:PEM-EXCITATION_MCF0_RACK_10_EXC
50 - 900 Hz , 5Hz resolution, 10 s in each measurement, 100 cnt
Fig.2. showed the whitening spectrogram

2025/04/11 7:27:00 - Shaker injection test PRM #3
Excitation : K1:PEM-EXCITATION_MCF0_RACK_11_EXC
50 - 900 Hz , 5Hz resolution, 10 s in each measurement, 100 cnt

During the injection test of #3, the real time PC trouble happened
https://klog.icrr.u-tokyo.ac.jp/osl/?r=33375
But, we can see several peaks in DARM, so we need carefully check it
Images attached to this report
Comments to this report:
tatsuki.washimi - 18:05 Monday 14 April 2025 (33407) Print this report

I analyzed the injection data of 

2025/04/12 7:27:00 - Shaker injection test PRM #3
Excitation : K1:PEM-EXCITATION_MCF0_RACK_11_EXC
50 - 900 Hz , 5Hz resolution, 10 s in each measurement, 100 cnt

During the injection test of #3, the real time PC trouble happened

Images attached to this comment
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