What is the need for modulation?
Answer Posted / amruta
The information to be communicated over long distance of the order of 200km then it is essential that waves is made of high frequency.the high frequency wave can not get attuniated & it travel very fast in space because of ionosphere.In order to transmit some information it is necessary to change condition or parameter modulation is needed.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
difference btwn channel and carrier in telecom?
please tell me wat types of technical questions will be asked in Alcatel lucent. and suggest me which site to view
i need ongc engineer trainee electronic test questions
What are the popular ic packages available?
Explain why nand-nand realization is preferred over and-or realization?
What is the difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?
how can trace the fault in any PCB? what are the steps to find problem & to troubleshoot?
Explain why fet is known as voltage control device?
What are the properties of roc for z-transform?
Define beta of a transistor.
How to Create the Cross connection with RRI & E1T1.
what are the types of handover?
What are the applications of op-amps?
what Rx and TX power good RF conditions.
What is transponder? Give the difference between transducer and transponder?