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PEM (Center)

takaaki.yokozawa - 5:50 Tuesday 16 May 2023 (25252)

Acoustic injection 230516 REFL area

I performed the acoustic injection test at REFL area.

Injection 1 :
100 count injection
05:19:42 - 05:40:00 (JST)
300 - 400 Hz with 1 Hz resolution
10 second acoustic injection in one frequency

Images attached to this report

25252_1684183850_1368217158_1368218538_K1 PEM-MIC_PR_BOOTH_REFL_Z_OUT_DQ_WhitenedSpectrogram.png

25252_1684183854_1368217158_1368218538_K1 CAL-CS_PROC_DARM_DISPLACEMENT_DQ_WhitenedSpectrogram.png

Comments to this report:

tatsuki.washimi - 15:00 Thursday 18 May 2023 (25284)

I analyzed this data.

Images attached to this comment

25284_1684389617_REFL_acoustic_2023-05-16_300-400Hz_serpt_Spectrum.png

25284_1684389625_REFL_acoustic_2023-05-16_300-400Hz_serpt_Spectrum_zoom.png

25284_1684389631_REFL_acoustic_2023-05-16_300-400Hz_serpt_Projection.png

25284_1684389637_REFL_acoustic_2023-05-16_300-400Hz_serpt_ProjectionSum.png

Non-image files attached to this comment

REFL_acoustic_2023-05-16_300-400Hz_serpt_scan.pdf