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 ~ 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 Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spectral variation Temporal variation None of these Spatial variation Spectral variation Temporal variation None of these Spatial variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its Three ground stations Four ground stations Five ground stations Six ground stations Three ground stations Four ground stations Five ground stations Six ground stations ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: None of these Sun as the source of energy Flash light as a source of energy Its own source of energy None of these Sun as the source of energy Flash light as a source of energy Its own source of energy ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Earth observations from a satellite platform provide: Constant solar zenith angles and similar illumination conditions All of these Synoptic view of a large area Repetitive observations of the same area with intervals of a few minutes to a few weeks Constant solar zenith angles and similar illumination conditions All of these Synoptic view of a large area Repetitive observations of the same area with intervals of a few minutes to a few weeks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = v + λ C = λ/v C = 1/λv C = vλ C = v + λ C = λ/v C = 1/λv C = vλ ANSWER DOWNLOAD EXAMIANS APP
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