Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spatial variation Temporal variation None of these Spectral variation Spatial variation Temporal variation None of these Spectral variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Sensors None of these Passive sensors Active sensors Sensors None of these Passive sensors Active sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following residual biases involves the GPS accuracy? Signal propagation biases due to the sphere and troposphere propagation Satellite dependent biases due to uncertainty in the orbital parameters of the satellite All listed here Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation Satellite dependent biases due to uncertainty in the orbital parameters of the satellite All listed here Receiver-dependent biases due to clock stability with line ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called: Spatial variation Spectral variation Temporal variation None of these Spatial variation Spectral variation Temporal variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h < λ/8 cos θ h = λ/8 cos θ h > λ/8 cos θ h > λ/Δ cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/8 cos θ h > λ/Δ cos θ ANSWER DOWNLOAD EXAMIANS APP
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