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SAT (semi-automatic
test) module is a PC with installed frame grabber card and specialized
software optimized for testing surveillance imaging systems or modules of such
systems. Generally SAT module enables capture and analysis of images generated
by tested electro-optical imaging systems like thermal imagers, TV cameras or
video cameras used in the test system.. The PC is the heart of the SAT module
and is connected both to the test system and to the tested imager.
Standard PCs (desktop
PC or laptop) are used as part of SAT module. Standard frame grabber card
enables acquisition of electronic image in the following formats: analog video
(PAL, NTSC) or digital (Fire Wire, USB 2.0). Optional frame grabber can capture
electronic images in the following digital formats: LVDS, CameraLink or GigE.
Specialized software is
offered in different versions depending on type of test system. Typically the
software package is built from TAS series program for image analysis and some
additional programs for control of blackbody/light source. TAS is an advanced
computer program optimized for analysis of images generated by surveillance
imaging systems and calculation of parameters of these systems.
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SAT block diagram |
Image of edge target |
MTF measurement results
of two imagers |
SPECIFICATIONS
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PC |
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processor |
typical modern processor for current
desktop/laptop PC |
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type |
desktop PC for DT, SAFT, VT, ITS, FT systems or
laptop for LAFT systems |
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operating system |
Windows XP or Windows 7 |
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Frame grabber |
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Dynamic |
8 bit (option: 10 bit) |
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Standard video signal formats |
PAL, NTSC, Fire Wire, USB 2.0
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Optional video signal formats |
CameraLink, LVDS, GigE |
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TAS software |
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Measurement tools for testing thermal cameras (TAS-T software) |
Semi-automatic measurement of MTF,
SiTF, NETD, FPN, non-uniformity, distortion, SRF, FOV; and support for MRTD
measurement |
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Measurement tools for testing
TV cameras (TAS-V
software) |
Semi-automatic measurement of MTF,
Sensitivity, SNR, Input-output characteristic, Light Control range,
Automatic Light Control range, Black level non uniformity, White level non
uniformity, Distortion, FOV; and support for MRC measurement |
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Measurement tools for testing II tubes cameras (TAS-I
software) |
Semi-automatic measurement of MTF,
dark spots and bright spots, SNR, halo, gross distortion, shear distortion,
useful tube diameter, output brightness non-uniformity, image
alignment; image rotation, magnification, Multi-Multi
Noise, Multi-Boundary Noise, and software support for resolution
measurement. |
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Measurement tools for testing IR FPAs (TAS-F software) |
Semi-automatic measurement of MTF,
SiTF, NETD, FPN, non-uniformity, cross-talk, bad pixels. |
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Other software |
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CTCB Control |
PC control of blackbody/ rotary
wheel control during testing thermal imagers |
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DAL Control |
PC control of light source/rotary wheel during testing
of TV cameras. |
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ITS Control |
Control of ITS stations during
testing II tubes |
If you want to learn more about SAT
module please read:
If you have more questions please contact us.
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