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Asked by Rakesh Last Modified
Answer Attenuation, in the context of communication systems, refers to the decrease in the strength or intensity of a signal as it travels through a medium. This reduction in signal strength can occur due to various factors such as distance, absorption, scattering, and interference.
Attenuation is a significant concern in telecommunications, especially in wired and wireless communication systems. In wired systems, such as coaxial cables or fiber optic cables, attenuation can occur due to the resistance of the medium, which causes the signal to weaken over long distances. In wireless systems, attenuation can result from obstacles like buildings, terrain, or atmospheric conditions, which absorb or scatter the signal, reducing its strength by the time it reaches the receiver.
Attenuation is usually measured in decibels (dB), and minimizing attenuation is essential for maintaining the quality and reliability of communication signals over long distances. Techniques such as signal amplification, error correction coding, and using higher frequency bands can be employed to combat the effects of attenuation and ensure the effective transmission of data in communication systems.
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