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Q. Define wireless communications?
The latest wireless communications technology is the personal satellite phone. The coverage is planetary and one can reach anywhere on earth. Examples include the Iridium satellite handset developed byMotorola and others fromthe Teledesic constellation. Special requirements, such as sending and receiving data or faxes, can be handled by the new handheld computer-and-mobile- phone hybrids such as Nokia's 9000i and the Ericsson DI27. Mobile phones with aWeb browser capability are also available. We have yet to see the more exciting new developments in the telecommunications industry with computers, networking, and wireless technology.
When a machine has more than two poles, only a single pair of poles needs to be considered because the electric, magnetic, and mechanical conditions associated with every other pol
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When delivering rated load a 10-kW, 230-V self excited shunt generator has an armature-circuit voltage drop that is 6% of the terminal voltage and a shunt-field current equal to 4%
Q. Can you explain Binary Number Systems? The Binary numbers are used to represent digital information because like most digital systems, binary numbers have only two possible
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user defined function
Q. Define the spectral resolution of satellite? Spectral resolution : The sensitivity to different features of earth is the most important aspects considered in the spectral
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Q. The magnitude spectrum of a continuous image is as given below. a) Sketch the frequency response of the sampled spectrum if ωs =1.5 ωm along x and 3ωm along y directions
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