Spatial variation in horizontal and vertical directions is caused due to_________________?
If electric permittivity and magnetic permeability of the medium are respectively and , then the velocity (Cm) of the electromagnetic wave in the medium is given by___________________?
The most widely used antenna in GPS is_______________?
Which one of the following attributes is not associated with digital maps_______________?
In GPS, receivers used are___________________?
For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is_____________?
Which on speed C. of the electromagnetic wave is correct ?
Which one of the following frequency regions is a part of sun’s radiation ?
Which one of the following geometric errors of satellite sensors is random ?
The value of energy quantum for radiation of any frequency is proportional to________________?