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Set bad pixels (1) in the half of frame[1]:

2014-02-06 pnccd with common mode

Dark run: exp=amoa1214:run=7

Pedestals are generated for ndarray using the same dark run

Raw data

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Pedestals subtracted

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Pedestals and common mode subtracted

Using intensity distribution for pedestals set

/reg/d/psdm/AMO/amoa1214/calib/PNCCD::CalibV1/Camp.0:pnCCD.0/common_mode/1-end.data

Average over 128 pixels

Image AddedImage Added

Common mode subtraction improves the width of intensity distribution.

References

• Psana Module Examples
• Psana Module Catalog
• Calibration management tool
• CSPAD Calibration