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GATE GE
Remote Sensing

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Exams

GATE GE

Years

2026

Subjects

Remote Sensing

Topics

Microwave Remote Sensing - Surface Roughness Criteria
At-Sensor Radiance / Radiative Transfer Equation
Atmospheric Interactions with Electromagnetic Radiation
Blackbody Radiation / Stefan-Boltzmann Law
Classification accuracy assessment (error matrix)
Critical Angle and Total Internal Reflection
DEM Accuracy Assessment (RMSE)
Image Enhancement and Colour Composites
Image-to-Image Registration
Multispectral vs Hyperspectral Sensors
Principal Component Analysis (PCA)
Scanning Systems and Sensor Resolution
Spectral Signature of Vegetation
Spectral Signatures and Band Selection
Vegetation indices (EVI, NDVI, SAVI)

List of top Remote Sensing Questions on Microwave Remote Sensing - Surface Roughness Criteria asked in GATE GE

Using the Modified Rayleigh Criteria, for an incidence angle of \(20^\circ\), select the Root Mean Square (RMS) height (in mm) that appears smooth to an L-band microwave sensor (23.5 cm wavelength) and rough to an X-band microwave sensor (3 cm wavelength).

GATE GE - 2026
GATE GE
Remote Sensing
Microwave Remote Sensing - Surface Roughness Criteria

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