Jul 1, 2016 - Detectors plugged into the DAQ. â Need to understand the errors. â How ? â Find a reproducible method. â Analyse data with Python ...
Read from the ADC and save in files Communication with the user with an interface.
7
Acquisition Module Communication Each channel is referenced by is number ( 0 to 7 ) Value for the Amplitude and Offset goes from 0 to 255
Characteristics Give an answer on 4.096V. Coded in 8 bits gives 256 values
Uncertainty on each sample in Volts : 4.096/256 = 16mV
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DAQ Characterization ●
●
Why ? ➔
Detectors plugged into the DAQ
➔
Need to understand the errors
How ? ➔
Find a reproducible method
➔
Analyse data with Python
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DAQ Characterization Approach ●
Reproducible Assembly ➔
Pulse generator. ➔ ➔ ➔
●
Very precise different signals shapes Tree to split the signal
Code in python ➔
Licence free
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DAQ Characterization Approach
Observations ●
30Hz
50Hz
●
70Hz 01/07/2016
Dependency : Amplitude/ frequency Difference between the 8 Channels response
100Hz Bonamy Geoffrey
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DAQ Characterization Approach
Solution Fit : Offset + A * sin(ω*x + φ ) ●
Python code using curve_fit* function ●
Analyse Amplitude, offset, sampling rate.
●
Uncertainty on the value
*Return the best parameters using non linear least squares method.
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DAQ Characterization Approach
Uncertainties 16mV uncertainty included in the fit function. ● Plot on 1800 samples Uncertainty order : 0,1 mV for 30Hz and 50Hz. 1mV for 70Hz and 100Hz. ●
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Amplitude Link with the frequency
Oscilloscope signal 01/07/2016
Acquisition with the DAQ Bonamy Geoffrey
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Amplitude
●
Link with the frequency
●
Difference regarding : ● ●
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Channels Days
15
Offset
●
●
No significant link with the frequency during one day. Difference regarding : ● ●
Channels Days within the uncertainty
Easily manageable.
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Sampling rate
No Difference regarding : ● ●
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Channels Days
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DAQ Characterization Conclusion
Amplitude
Offset
Sampling rate
Variation with channels
Yes
Yes
No
Variation regarding the day
Yes
Yes
No
Variation with frequency
Yes
Not significant
X
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Detectors Calibration Assembly Pyrodetectors
Light bulb
Translation stage
f=10cm Lens
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Parabolic Mirror
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Detectors Calibration Photo-diode Intensity and translation characterization
Conversion between Motor steps and mm 100 000 steps = 7.79mm ± 0.61
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Detectors Calibration Misalignment
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Transversal
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Detectors Calibration Misalignment
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Longitudinal
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Conclusion DAQ characterization Assembly characterisation Detectors calibration with light Studies with IR and FIR
that a single photon incident on the device generates a photocarrier pair that con- tributes to the .... This condition, which is called detector saturation, limits the.
are needed only for some of the derivations (see Table 1). (1) The temporal filter ...... threshold should depend on the square root of the reciprocal of sin(p). Here ...
rollers, poles, brushes, tape measure, pans, rags, masking tape, a sifter for the reflective dust, and a chalk line. A rope can also come in handy as a compass to ...
at the end of each chapter to help test the student's knowledge and to ... find quick answers when you need the most accurate, current information. ..... setup, finite integration time on the sensor (motion blur), electrical noise in the ...... Simpl
It should be electrically supervised with battery backup at the panel. The rate-of-rise feature may be subject to reduced sensitivity over time. Annual testing of the rate-of-rise operation is recommended. Refer to the latest issue of NFPA 72 or CAN/
29 mai 2001 - outer pair of surface mounting holes in the plate. Route the installation wiring either through the center hole in the mounting plate when the ...
carry out the emanation experiments under controlled ... radon out by nitrogen gas before counting. .... (Bq mÐ3), D the diffusion coefficient (m2 sÐ1), p the.
Apr 15, 2010 - out by CEIOPS for the calibration of key parameters of the SCR standard .... observed data, as the high inflation rates of the past century do not seem to ...... 21 It may also be questionable whether an insurance undertaking being ...
... below 10,000 feet pressure altitude up to 200 knots. 102 MARCH 2001 ..... Send your comments and sug- gestions to Test Pilot, EAA Publica- tions, P.O. Box ...
Sep 20, 2003 - Later, Cho and Park have shown that the Leader Election was strictly harder to solve than the Consensus [CP02]. This last result is surprising.
Sep 4, 1997 - Easy application: single 3 to 5.5 V rail power supply and ...... does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed ... Switzerland: Allmendstrasse 140, CH-8027 ZÃRICH,.
Apr 15, 2010 - 08%20QIS4%20Report%20Table%20Annex.pdf] ..... volatility series (N- year option x T-year swap, as explained in the next paragraph below). ...... somewhat overstated, and the hedge fund charge understated; there is also.
2. P. Vc = 0.369 x VG x. OAT + 273.15. 2026.12. Vc = 0.369 x 121.78 x. = 120.21 ... aircraft, like LANCAIR, GLASAIR, CIRRUS, EXPRESS, QUESTAIR, VAN's, VELOCITY, etc. 2-, 3-, 4-, 5- ... but you find yourself stabilized at 126 knots as you ap-.
REFERENCES. 1. C. E. Buck, D. Gómez Portugal Aguilar, C. D. Litton and A. O'Hagan, âBayesian nonparametric estimation of the radiocarbon calibration curveâ ...
Sep 3, 2003 - Development of a prototype with an existing engine. Context. Approach. Knowledge modelling. Prototype. Dedicated engine. Perspectives. 2 ...
ation in the mm-range (far-infrared), known as Smith-. Purcell radiation (SPR). Figure 1: Smith-Purcell radiation occurs when an electron beam passes across a ...
Save this Book to Read developpement dun module de calibration embarque avec pic 32 PDF eBook at our Online Library. Get developpement dun module de ...
Calibration Tutorial. Introduction. The monitor calibration system on the AWS 900 console enables the level of any loudspeaker connected to the. AWS 900 to be ...
