[3dem] Falcon gain reference problem

Chen Chen c.chen0306 at gmail.com
Sun Dec 15 21:15:35 PST 2013

Dear lists,

I've got a question about the Falcon camera. After I did gain reference (160 frames; 10 images; align full set) in TUI, I took an image (does rate 80e/pix/s with 1s exposure) over a hole (without any sample). The autocorrelation has those vertical lines in it. It's strange because I would expect that an autocorrelation of an purely noise image shouldn't have any feature. I tried to take two independent images and cross-correlate them but the result was similar. Do you have any idea what's going on? Thanks.


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