
Proceedings Paper
Passive IR sensor performance analysis using Mathcad modelingFormat | Member Price | Non-Member Price |
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Paper Abstract
This paper presents an end-to-end physics based performance model for a passive infrared (IR) sensor using the
Mathcad® spreadsheet. This model will calculate both temporal and spatial noise of a staring focal plane array (FPA) IR
sensor, the signal-to-noise ratio (SNR) of the sensor against different targets at different ranges (with atmospheric
effects, both turbulence and extinction considered). Finally, probability of detection (Pd) based on SNR results, against
these targets, are also discussed. This model will allow the user to easily define basic sensor parameters such as spectral
band, detector FPA format & size, field of view (FOV), optics F/#, etc. In addition, target and environmental parameters
are also considered for the analyses. This performance model will allow the user to determine if a particular IR sensor
design would meet the requirements of its operational specifications, and would help the user to refine the various
parameters of the IR sensor at the early design stage.
Paper Details
Date Published: 22 April 2009
PDF: 12 pages
Proc. SPIE 7300, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XX, 730005 (22 April 2009); doi: 10.1117/12.815238
Published in SPIE Proceedings Vol. 7300:
Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XX
Gerald C. Holst, Editor(s)
PDF: 12 pages
Proc. SPIE 7300, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XX, 730005 (22 April 2009); doi: 10.1117/12.815238
Show Author Affiliations
William Wan, Lockheed Martin Coherent Technologies (United States)
Published in SPIE Proceedings Vol. 7300:
Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XX
Gerald C. Holst, Editor(s)
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