Generate KERALA UNIVERSITY Class 8 satellite communication Question Paper
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Sample Questions
- (a) The orbit of an earth-orbiting satellite has an eccentricity of 0.15 and a semi major axis of 9000 km . Determine (i) its periodic time (ii) the apogee height (iii) the perigee height. Assume the ...
- (b) Outline the principle of Sun-synchronous orbits and Molniya orbits. What are the uses of Molniya orbits?
- (a) Draw the reliability model of a communication satellite and show that the reliability $R$ is given by, $$ R=1-\left(1-e^{\lambda t}\right)^{i} $$ where $1 / \lambda$ is the mean time between fai...
- (a) The earth to satellite path affects radio waves in several ways. Explain the role of propagation effects on the design of a satellite communication link. 10
- (b) Explain attenuation for transmission caused by rain. Derive an expression for rain attenuation in decibels.