Analog And Digital Signal Processing Chain - Teledyne HS-40-04k40 User Manual

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4.5.2 Analog and Digital Signal Processing Chain

Processing Chain Overview and Description
The follow ing d iagram show s a sim plified block d iagram of the cam era's analog and
d igital processing chain. The analog processing chain begins w ith an analog gain
ad ju stm ent, follow ed by an analog offset ad ju stm ent. These ad ju stm ents are applied to
the vid eo analog signal prior to its d igitization by an A/ D converter.
The d igital processing chain contains the FPN correction , the PRN U correction, the
backgrou nd su btract, and the d igital gain and offset. All of these elem ents are u ser
program m able.
Notes:



Teledyne DALSA
y2


ccg, cao, cpa, gl, gla, ccf, ccp,
roi 10 1 50 1 (TDI Mod e)
FPN and PRN U correction is not available w hen operating the cam era in Area Mod e.
For d etails on how to sw itch cam era operation m od es, refer to section 4.5.1 .
The follow ing u ser settings are stored separately for forw ard and reverse d irection;
analog gain, analog offset, d igital gain, d igital offset, and backgrou nd su btract. They
wus
are saved u sing the
FPN and PRN U coefficients are stored separately for forw ard and reverse d irection.
To save the cu rrent PRN U coefficients, u se the com m and
FPN coefficients, u se the com m and
only.
colum n start num ber in a range from 2 to colum n resolution.
Row end num ber. Must be greater than or equal to the row
start num ber in a range from 2 to num ber of stages except in
TDI Mod e w here y2 m ust be 1.
If you are using binning, the start pixel is round ed d ow n to
the beginning of binned area and end pixel is round ed up to
the end of the binned area.
In Area Mod e, th e roi m ust be w ithin the stage. If the
requested roi is above the stage, the roi row s w ill be clipped .
The start and end row s w ill be clipped to the stage selection
if necessary. A ―clipped to m ax‖ w arning m essage is
returned .
com m and .
wfc
. Settings are saved for the cu rrent d irection
els
wpc
. To save the cu rrent
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