PEM (Center)takaaki.yokozawa - 8:08 Wednesday 08 March 2023 (24296)
Print this reportComment to Hammering test after IFI work (24293)Vibration injection test to the leg of the IFI chamber. The diaggui files are placed in /users/yokozawa/Data/DARM/230307/
Fig.1. 50 -1000 Hz white injection No special peak appeared.
Fig.2. 50 - 100 Hz white injection 70 Hz, 90 - 100 Hz coherence appeared
Fig.3. 100 - 200 Hz white injection Two large peaks (108 and 127 Hz) appeared
Fig.4. 200 - 300 Hz white injection Two large peaks(217 and 268 Hz) appeared
Fig.5. 300 - 400 Hz white injection No special peak appeared.
Fig.6. 400 - 400 Hz white injection No special peak appeared.
Fig.7. 121 Hz solo injection Large linear peak appeared.