Civil Engineering :: Elements of Remote Sensing
- Which one of the following frequency regions is a part of sun's radiation?
- The refractive index of the ocean water:
- The changes in the reflectivity/emissivity with time, is called:
- Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).
- Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?
- Who coined the term, ‘Remote sensing’.
- According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);
- The most widely used antenna in GPS is
- Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its