QWhat is the main disadvantage of an RF pulse system?
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Explanation
RF pulse system is a type of radar system that uses a pulse of radio frequency to transmit information. The main disadvantage of an RF pulse due to the large number of multipath components present. The excess delay spread is the difference between the maximum delay and the minimum delay of the multipath components, while the RMS delay spread is the root-mean-square value of the delay spread. These parameters can be used to design adaptive equalizers to combat the effects of multipath fading. In summary, multipath propagation is a phenomenon that causes fading and distortion of radio signals due to the presence of multiple signal paths between a transmitter and a receiver. It is caused by the reflection, diffraction, and scattering of signals by objects in the environment. The effects of multipath can be mitigated through the use of diversity techniques, such as frequency diversity, time diversity, and space diversity, as well as equalization techniques, such as adaptive equalization.
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