Dr. Philip L. Walker Profile

Dr. Philip L. Walker

Physicist

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 6 August 2002 Paper

Optical characteristics of desert dust

Philip Walker, Fred Blomshield

Proceedings Volume 4718, (2002) https://doi.org/10.1117/12.478812

KEYWORDS: Atmospheric particles, Aerosols, Atmospheric optics, Meteorology, Environmental sensing, Visibility, Earth observing sensors, Satellites, Meteorological satellites, Pollution

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Proceedings Article | 3 November 1998 Paper

Aerosol influences on marine atmospheric surface layer optics

Philip Walker

Proceedings Volume 3433, (1998) https://doi.org/10.1117/12.330208

KEYWORDS: Water, Aerosols, Atmospheric particles, Ocean optics, Atmospheric optics, Liquids, Humidity, Scattering, Atmospheric propagation, Refraction

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Proceedings Article | 14 October 1996 Paper

Infrared polarization ship images and contrast in the MAPTIP experiment

Alfred Cooper, William Lentz, Philip Walker

Proceedings Volume 2828, (1996) https://doi.org/10.1117/12.254208

KEYWORDS: Polarization, Infrared radiation, Thermography, Infrared imaging, Reflection, Optical filters, Long wavelength infrared, Ocean optics, Polarizers, Mid-IR

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Proceedings Article | 15 June 1995 Paper

Optical characteristics of desert dust as used in LOWTRAN: Mojave desert dust versus the LOWTRAN 7 dust model

Philip Walker, Larry Mathews

Proceedings Volume 2471, (1995) https://doi.org/10.1117/12.211933

KEYWORDS: Aerosols, Atmospheric modeling, Atmospheric particles, Data modeling, Sulfur, Meteorology, Calcium, Particles, Optical properties, Refractive index

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Proceedings Article | 2 June 1995 Paper

Atmospheric and sea state dependence of polarized infrared contrast

Philip Walker, William Lentz, Alfred Cooper

Proceedings Volume 2469, (1995) https://doi.org/10.1117/12.210607

KEYWORDS: Polarization, Polarizers, Infrared radiation, Thermography, Visibility, Sun, Image processing, Long wavelength infrared, Image enhancement, Reflectivity

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Proceedings Article | 29 June 1994 Paper

Characterization of Mojave Desert aerosols: their effect on radiometer performance

Larry Mathews, Dan Salgado, Philip Walker

Proceedings Volume 2222, (1994) https://doi.org/10.1117/12.178004

KEYWORDS: Aerosols, Radiometry, Atmospheric particles, Visibility, Atmospheric modeling, Chemical analysis, Meteorology

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Proceedings Article | 15 June 1994 Paper

Infrared polarization measurements of ship signatures and background contrast

Alfred Cooper, William Lentz, Philip Walker, Petrus Chan

Proceedings Volume 2223, (1994) https://doi.org/10.1117/12.177924

KEYWORDS: Polarization, Infrared radiation, Infrared signatures, Far infrared, Reflection

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Proceedings Article | 15 September 1993 Paper

Effect of smog and dust on the relative performance of mid- and far-infrared detectors

Philip Walker, Larry Mathews

Proceedings Volume 1968, (1993) https://doi.org/10.1117/12.154878

KEYWORDS: Aerosols, Visibility, Sensors, Atmospheric particles, Radiometry, Atmospheric modeling, Atmospheric propagation, Absorption, Remote sensing, Infrared sensors

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Proceedings Article | 22 December 1992 Paper

Mid- and far-infrared measurements of sun glint from the sea surface

Alfred Cooper, Eugene Crittenden, Edmund Milne, Philip Walker, E. Moss, Dennis Gregoris

Proceedings Volume 1749, (1992) https://doi.org/10.1117/12.138846

KEYWORDS: Polarization, Sun, Reflection, Infrared radiation, Infrared imaging, Solar radiation, Solar radiation models, Atmospheric modeling, Imaging systems, Sensors

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Proceedings Article | 21 September 1992 Paper

Evaluation of tactical decision aid code predictions of FLIR range performance

Alfred Cooper, Philip Walker, Edmund Milne, B. Cook

Proceedings Volume 1687, (1992) https://doi.org/10.1117/12.137827

KEYWORDS: Target detection, Forward looking infrared, Atmospheric modeling, Detection and tracking algorithms, Target recognition, Oceanography, Data modeling, Atmospheric propagation, Minimum resolvable temperature difference, Submerged target modeling

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Proceedings Article | 1 August 1992 Paper

Aerosol-induced loss of image resolution

Philip Walker

Proceedings Volume 1688, (1992) https://doi.org/10.1117/12.137905

KEYWORDS: Cameras, Photons, Scattering, Monte Carlo methods, Point spread functions, Aerosols, Atmospheric propagation, Clouds, Remote sensing, Light scattering

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Proceedings Article | 1 July 1991 Paper

Ship signature measurements for tactical decision-aid input

Alfred Cooper, Edmund Milne, Eugene Crittenden, Philip Walker, E. Moore, William Lentz

Proceedings Volume 1486, (1991) https://doi.org/10.1117/12.45750

KEYWORDS: Temperature metrology, Thermography, Calibration, Sensors, Computed tomography, Data storage, Data acquisition, Forward looking infrared, Skin, Computing systems

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Proceedings Article | 1 July 1991 Paper

Sensitivity analysis of Navy tactical decision-aid FLIR performance codes

Edmund Milne, Alfred Cooper, Rodolfo Reategui, Philip Walker

Proceedings Volume 1486, (1991) https://doi.org/10.1117/12.45758

KEYWORDS: Forward looking infrared, Humidity, Target detection, Visibility, Aluminum, Atmospheric sensing, Atmospheric propagation, Atmospheric particles, Error analysis, Chlorine

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Proceedings Article | 1 September 1990 Paper

Modeling of sea surface effects in FLIR performance codes

Alfred Cooper, William Lentz, Philip Walker, E. Moore, Mark Ridgeway

Proceedings Volume 1311, (1990) https://doi.org/10.1117/12.21833

KEYWORDS: Temperature metrology, Forward looking infrared, Sensors, Target detection, Infrared radiation, Reflectivity, Environmental sensing, Skin, Performance modeling, Visibility

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Showing 5 of 14 publications

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