Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? 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 5-10 km from reference station 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 25 km 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 5-10 km from reference station 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 25 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 16,200 km 36,100 km 20,200 km 24,400 km 16,200 km 36,100 km 20,200 km 24,400 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; The square of the bandwidth Inversely proportional to the bandwidth Directly proportional to the bandwidth None of these The square of the bandwidth Inversely proportional to the bandwidth Directly proportional to the bandwidth None of these 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: Active sensors Passive sensors Sensors None of these Active sensors Passive sensors Sensors None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: All listed here Is a diffuse emitter Absorbs all the radiations of every wave lengths Emits power of every wave length All listed here Is a diffuse emitter Absorbs all the radiations of every wave lengths Emits power of every wave length 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: None of these Spectral variation Spatial variation Temporal variation None of these Spectral variation Spatial variation Temporal variation ANSWER DOWNLOAD EXAMIANS APP