InterviewSolution
Saved Bookmarks
| 1. |
Q. 9. Explain the terms (i) Attenuation and(ii) Demodulation used in CommunicationSystem. |
|
Answer» Ans :- 1 -Attenuation is a general term that refers to any reduction in the strength of a signal. Attenuation occurs with any type of signal, whether digital or analog. Sometimes called loss, attenuation is a natural consequence of signal transmission over long distances. 2- Demodulationis extracting the original information-bearing signal from a carrier wave. Ademodulatoris an electronic circuit (or computer program in a software-defined radio) that isusedto recover the information content from the modulated carrier wave. |
|