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We present a data acquisition system to perform on-the-fly background subtraction and lower-level discrimination compression of streaming x-ray photon correlation spectroscopy data from a fast charge-coupled device (CCD) area detector. The system is built using a commercial frame grabber with an on-board field-programmable gate array. The system is capable of continuously processing at least 60 CCD frames per second each consisting of 1024 × 1024 16-bit pixels with ≲ 15 000 photon hits per frame at a maximum compression factor of ≈95%.
Published in:
Review of Scientific Instruments
(Volume:82
,
Issue:
7
)
Date of Publication: Jul 2011
- Page(s):
- 075109 - 075109-8
- ISSN :
- 0034-6748
- Digital Object Identifier :
- 10.1063/1.3602277
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 18 July 2011
- Issue Date :
- Jul 2011
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