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Proceedings Paper

Spurious effects of analog-to-digital conversion nonlinearities on radar range-Doppler maps
Author(s): A. W. Doerry; D. F. Dubbert; B. L. Tise
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Paper Abstract

High-performance radar operation, particularly Ground Moving Target Indicator (GMTI) radar modes, are very sensitive to anomalous effects of system nonlinearities. System nonlinearities generate harmonic spurs that at best degrade, and at worst generate false target detections. One significant source of nonlinear behavior is the Analog to Digital Converter (ADC). One measure of its undesired nonlinearity is its Integral Nonlinearity (INL) specification. We examine in this paper the relationship of INL to radar performance; in particular its manifestation in a range-Doppler map or image.

Paper Details

Date Published: 21 May 2015
PDF: 16 pages
Proc. SPIE 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI, 94611V (21 May 2015); doi: 10.1117/12.2075741
Show Author Affiliations
A. W. Doerry, Sandia National Labs. (United States)
D. F. Dubbert, Sandia National Labs. (United States)
B. L. Tise, Sandia National Labs. (United States)


Published in SPIE Proceedings Vol. 9461:
Radar Sensor Technology XIX; and Active and Passive Signatures VI
G. Charmaine Gilbreath; Kenneth I. Ranney; Armin Doerry; Chadwick Todd Hawley, Editor(s)

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