Elements Of Remote Sensing Which one of the following geometric errors of satellite sensors is random? Panoramic distortion Altitude variation Scan skew Earth rotation Panoramic distortion Altitude variation Scan skew Earth rotation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height h = dp/(B/H) h = (B/H) dp h = (H/B) dp h = dp/(H/B) h = dp/(B/H) h = (B/H) dp h = (H/B) dp h = dp/(H/B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal Both (A) and (B) Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The off-nadir resolution is degraded 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 details towards the edge of the scan get compressed The off-nadir resolution is degraded 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 details towards the edge of the scan get compressed ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 44,000 km 26,000 km 30,000 km 36,000 km 44,000 km 26,000 km 30,000 km 36,000 km ANSWER DOWNLOAD EXAMIANS APP
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