Active and Passive Remote Sensing of Ice.

During this period we have: (1) developed a two-layer anisotropic random medium model to exploti the anisotropic effect of sea ice for active and passive microwave remote sensing, (2) used the Feynman diagrammatic technique in selectively summing and infinite perturbation series to include multiple...

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Bibliographic Details
Main Author: Kong,J A
Other Authors: MASSACHUSETTS INST OF TECH CAMBRIDGE RESEARCH LAB OF ELECTRONICS
Format: Text
Language:English
Published: 1985
Subjects:
Snow
Ice and Permafrost
Active & Passive Radar Detection & Equipment
Radiofrequency Wave Propagation
*ELECTROMAGNETIC SCATTERING
*REMOTE DETECTORS
*SEA ICE
MATHEMATICAL MODELS
SIMULATION
PROPAGATION
TEMPERATURE
LAYERS
THEORY
PASSIVE SYSTEMS
COLD REGIONS
MICROWAVES
MICROWAVE EQUIPMENT
ELECTROMAGNETIC WAVE PROPAGATION
ELECTRICAL PROPERTIES
VARIATIONS
BRIGHTNESS
SNOW COVER
ICE
LONG RANGE(DISTANCE)
ANISOTROPY
ISOTROPISM
DIAGRAMS
NEW HAMPSHIRE
Active detection
Passive detection
Microwave detectors
Ice
permafrost
Sea ice
Online Access:http://www.dtic.mil/docs/citations/ADA160075
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA160075
Description
Summary:During this period we have: (1) developed a two-layer anisotropic random medium model to exploti the anisotropic effect of sea ice for active and passive microwave remote sensing, (2) used the Feynman diagrammatic technique in selectively summing and infinite perturbation series to include multiple scattering effects due to secularities that occur in the series for long-distance propagation, (3) extended the study of the two-layer anisotropic random medium model to a layer of isotropic random medium on top of a layer of anisotropic random medium in order to simulate the snow-covered ice fields for active microwave remote sensing, (4) used the strong fluctuation theory and the fluctuation-dissipation theorem to calculate the brightness temperature from a bounded layer of random discrete scatters with the zeroth and first order approximations, and (5) participated in the microwave sea ice measurement program at the Cold Regions Research and Engineering Laborataory (CRREL) in New Hampshire. (Author)

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