Communication - Electronics and Communication Engineering - EC | Electronic & Telecommunication Engineering | Electronics & Communication Engineering

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Communication

Author

Shiji Varghese (Become fan)

Total Questions

Total Time

25 mins

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Keywords

principals of communication, GATE

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Anku Jyoti Borah asks :

Subject : Digital Signal Processing

exact difference between linear and non-linear in a nutshell

07/01/2012 13:54:36 | Reply


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Sanil Talauliker asks :

Subject : signals

how time scaling makes the system time variant

31/12/2011 11:54:09 | Reply


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Sanil Talauliker asks :

Subject : Freq modulation

Determine the modultion index of an FM signal which is being broadcast in the 88-108 MHz band.This FM wave has a carrier swing of 130KHz.

12/12/2011 21:39:27 | Reply


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sumanta das says : 25/12/2011 00:04:27 BW=(108-88)MHz=20MHzcarrier swing=2(peak freq deviation)here peak freq. deviation=(130KHz/2)=65KHznow by carson\'s rule (as we dont know it is narrow band fm or not) BW=(2peak freq deviation 2 * modulating freq.)so modulation index will be= (frequency deviation/ modulating freq). plz rectify if i am wrong. BW=(108-88)MHz=20MHzcarrier swing=2(peak freq deviation)here peak freq. deviation=(130KHz/2)=65KHznow by carson\'s rule (as we dont know it is narrow band fm or not) BW=(2peak freq deviation 2 * modulating freq.)so modulation index will be= (frequency deviation/ modulating freq). plz rectify if i am wrong.

Thulasiprasanna says :

Subject : control system

bode plot

06/12/2011 14:10:52 | Reply


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Bvs Raghavendra Sarma asks :

Subject : communication

what is qam?

08/02/2011 17:56:40 | Reply


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vijaybalakrishnan says : 17/04/2011 21:12:01 Quadrature amplitude modulation Quadrature amplitude modulation

Tanu Tiwari asks :

Subject : communication

why shampling required in communication

27/12/2010 15:45:43 | Reply


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bvs raghavendra sarma says : 08/02/2011 17:11:43 sampling is required to reduce the effect of noise in trasmission sampling is required to reduce the effect of noise in trasmission

Dharan Tharun asks :

Subject : communication

what is communication

25/11/2010 09:50:13 | Reply


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tanu tiwari says : 27/12/2010 15:49:05 communication is the process communicate between two .they may be person ,computer ,signal etc....... communication is the process communicate between two .they may be person ,computer ,signal etc.......

Vikash Kumar says :

Subject : communication

what is amplitude modulation......?

16/09/2010 23:22:44 | Reply


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PRAMOD KUMAR says : 13/10/2010 23:45:51 n n


pradeep kumar dwivedi says : 04/11/2010 16:43:57 type of modulation in which amplitude of carrier varies in accordence with the moduleting signal type of modulation in which amplitude of carrier varies in accordence with the moduleting signal


bvs raghavendra sarma says : 08/02/2011 17:10:15 the process of chaging the amplitude of the carrier wave wrt to instantaneous change in the amplitude of message signal. simply change in amplitude of carrier wrt to message signal the process of chaging the amplitude of the carrier wave wrt to instantaneous change in the amplitude of message signal. simply change in amplitude of carrier wrt to message signal

Kasi Viswanadh says :

Subject : ok

18/12/2009 21:38:41 | Reply


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