Elements Of Remote Sensing Which one of the following geometric errors of satellite sensors is random? Altitude variation Panoramic distortion Scan skew Earth rotation Altitude variation Panoramic distortion Scan skew Earth rotation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 20,200 km 24,400 km 16,200 km 36,100 km 20,200 km 24,400 km 16,200 km 36,100 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Temporal variation Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below:1. Generation of an output to the user2. Detection of the GPS signals3. Processing the data in the built-in-computer4. Decoding the GPS signal.The correct sequence of the stages is: 1, 2, 3, 4 2, 4, 3, 1 3, 1, 2, 4 2, 3, 4, 1 1, 2, 3, 4 2, 4, 3, 1 3, 1, 2, 4 2, 3, 4, 1 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following residual biases involves the GPS accuracy? Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation All listed here Satellite dependent biases due to uncertainty in the orbital parameters of the satellite Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation All listed here Satellite dependent biases due to uncertainty in the orbital parameters of the satellite ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The off-nadir resolution is degraded The details towards the edge of the scan get compressed The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir All of these The off-nadir resolution is degraded The details towards the edge of the scan get compressed The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir All of these ANSWER DOWNLOAD EXAMIANS APP