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PEM (General)
takaaki.yokozawa - 8:09 Wednesday 11 December 2024 (31965) Print this report
Acoustic injection test Xend and Yend
I performed the acoustic injection test using the swept sine measurement at Xend and Yend

06:00 - 06:30 test of the awggui for the swept sine injection
Please use the data before 6:00 JST for the reference

06:30 - 07:00 swept sine acoustic inejction at Xend
Low frequency 50 Hz
High frequency 300 Hz
Rate 1800 sec
Gain 300 count
Excitation channel K1:PEM-EXCITATION_EX0_RACK_1_EXC

07:06 - 07:36 swept sine acoustic inejction at Yend
Low frequency 50 Hz
High frequency 300 Hz
Rate 1800 sec
Gain 300 count
Excitation channel K1:PEM-EXCITATION_EY0_RACK_1_EXC

The results would be appeared pater
Comments to this report:
takaaki.yokozawa - 8:43 Wednesday 11 December 2024 (31967) Print this report
I performed the quick analysis using the pastavi.

0. Reference (00:00 - 00:32 JST ) (Fig.1.)

1. Swept sine acoustic injection to Xend (Fig.2.)
We can see several linear coupling in above 200 Hz, but no significant excess below 200 Hz.

2. Swept sine acoustic injection to Yend (Fig.3.)
We can see linear coupling in 280, 250 Hz, around 11o Hz
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