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Last modified by robert on 2026/06/29 16:42
From version 116.1
edited by robert
on 2026/06/29 16:42
Change comment: There is no comment for this version
To version 112.1
edited by robert
on 2026/06/17 16:54
Change comment: There is no comment for this version

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83 83  
84 84  - IGU16-HR 1C: ~~7 days of recording per 1 Ah
85 85  
86 -Of course, these can also be fit with a solar panel & charge controller which would then theoretically keep them going indefinitely (limited only by the disk storage, which at 250 Hz could be on the order of 12 months).
87 -
88 88  = **Installation** =
89 89  
90 90  (% class="box infomessage" %)
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441 441   'gain':1,
442 442   'sensitivity': 257019225.55108312}
443 443  
444 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:16HR_Z_huddle.png||alt="IGU16_Z_huddle.png"]]
442 +[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:IGU16_Z_huddle.png]]
445 445  
446 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter>>image:16HR_N_huddle.png||alt="IGU16_N_huddle.png"]]
444 +[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter>>image:IGU16_N_huddle.png]]
447 447  
448 448  == IGU 16-1C ==
449 449  
450 450  The 1C nodes seem to have the same response as the 3-channel IGU-16HR-3C (above), however the response posted at IRIS-NRL seems to imply that there is no poles and zeros information (e.g. a flat/linear response). This is 100% not so.
451 451  
452 -[[IGU-16 1C, X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter. Seems to be same response as IGU-16HR-3C.>>image:16HR1C_Z_huddle.png||alt="IGU16_1C_Z_huddle.png"]]
450 +[[IGU-16 1C, X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter. Seems to be same response as IGU-16HR-3C.>>image:IGU16_1C_Z_huddle.png]]
453 453  
454 454  == BD3C-5 ==
455 455  
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465 465  [[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter>>image:BD3C_N_huddle.0.5.png]]
466 466  
467 467  (% class="wikigeneratedid" %)
468 -Below the corner frequency (0.2 Hz) the phase response still fares well, but amplitude response may need to be dialed in a bit (it seems a bit high). We are working to try to calibrate this a bit better. In the next two figures the filter is **0.1** to 5 Hz:
466 +Below the corner frequency (0.2 Hz) the phase response still fares well, but amplitude response may need to be dialed in a bit (it seems a bit high). In the next two figures the filter is **0.1** to 5 Hz:
469 469  
470 470  
471 471  [[BD3C **0.1 **to 5 Hz bandpass filter>>image:BD3C_Z_huddle.0.1.png]]
16HR1C_Z_huddle.png
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