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File: /U2/a410641.pdf

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Accession Number:

ADA410641

Citation Status:

Active

Citation Classification:

Unclassified

Field(s) & Group(s):

170404 - OPTICAL COUNTERMEASURES

171100 - TARGET DIRECTION, RANGE AND POSITION FINDING

Corporate Author:

OPTO-KNOWLEGE SYSTEMS INC TORRANCE CA

Unclassified Title:

Monocular Passive Ranging Sensitivity Analysis and Error Minimization

Title Classification:

Unclassified

Personal Author(s):

Scriven, Gordon

Gat, Nahum

Lyons, Robert

Report Date:

25 Aug 2000

Media Count:

4 Page(s)

Cost:

$7.00

Report Number(s):

AFRL-PR-ED-AB-2000-169

XC-AFRL-PR-ED

Monitor Acronym:

AFRL-PR-ED

XC

Monitor Series:

AB-2000-169

AFRL-PR-ED

Report Classification:

Unclassified

Descriptors:

*PASSIVE SYSTEMS, *TARGET DISCRIMINATION,
COMPUTER PROGRAMS, FIBER OPTICS, UNCERTAINTY, ANTIMISSILE DEFENSE SYSTEMS, REAL TIME, ACCURACY, ESTIMATES, VISION, ABSORPTION SPECTRA, RANGE FINDING, COMPENSATION, SELECTION, BAND SPECTRA, ATMOSPHERES, IRIS

Identifiers:

HALO(HIGH ALTITUDE LARGE OPTICS), IRIS(INFRARED INSTRUMENTATION SYSTEM), MPR(MONOCULAR PASSIVE RANGING), SBIR(SMALL BUSINESS INNOVATION RESEARCH), SBIR REPORTS

Abstract:

Monocular Passive Ranging (MPR) may allow accurate target range estimation even when active measurements or multiple views are not possible. Due to the inherent nature of the MPR solution. the uncertainties may degrade the utility of the range estimate. Proper spectral band selection is essential for error minimization. The study goes beyond the traditional CO2 red spike band for MPR. Featured in the current analysis are the following absorption bands: O2 at 0.76 microns CO2 at 2.0 and 4.3 microns and Ozone at 4.7 and 9.6 microns. More importantly, a sensitivity analysis procedure is presented that both minimizes these errors and provides an uncertainty assessment of the range measurement. The result is an improved ranging capability and a more accurate characterization of the intervening atmosphere. The solution technique is applied to an actual HALO/IRIS measurement (Black Brant). However, the MPR software is designed to provide real-time range estimations and atmospheric compensation. A research version of the code has been developed to support integration of this technology into the HALO/IRIS upgrade.

Abstract Classification:

Unclassified

Distribution Limitation(s):

01 - APPROVED FOR PUBLIC RELEASE

Source Code:

434710

Document Location:

DTIC

Creation Date:

19 Mar 2003