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*RADAR REFLECTIONS
2
*SEA ICE
2
*SNOW
2
Active & Passive Radar Detection & Equipment
2
BACKSCATTERING
2
Ice and Permafrost
2
SALINITY
2
Snow
2
*MILLIMETER WAVES
1
*electromagnetic scattering
1
*remote sensing
1
ARCTIC REGIONS
1
DIELECTRIC PROPERTIES
1
FOG
1
ICE
1
LOW FREQUENCY
1
MILLIMETER WAVES
1
RADAR EQUIPMENT
1
Radiofrequency Wave Propagation
1
SURFACE ROUGHNESS
1
TEMPERATURE
1
TERRAIN
1
TERRAIN AVOIDANCE
1
VISIBILITY
1
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