What is the need for modulation?

Answer Posted / kamalakannan.l

Need of Modulation:

To transfer the message signal from one site another site
without any loss for that we are using modulation.

Modulation classified in three types.

1.Amplitude modulation.
2.Frequency Modulation.
3.Phase Modulation.

Is This Answer Correct ?    278 Yes 159 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the relation between α & β?

603


What is the duty cycle in on-off control method?

620


What is difference between 2 quadrant & 4 quadrant digital dc drive.

2524


Define digital system?

609


send me cutoff of surat nit for m.tech

2671






Explain how to program micro controller?

607


What is meant by lsb and msb?

629


i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. NAZEEHA E.MAIL ID:- km.nazi.km@gmail.com

1655


.We want to compare the performance of a single threaded disk server with a multithreaded 1. Suppose the server takes 25 ms to receive a request for work from client, dispatch the request for processing and actual data request processing when reqd. Data is in main memory. If the reqd. Data is not in the main memory a real disk operation is needed and an additional 75 ms are reqd. On the average. On the average 25% of the clients requests access the disk. During the disk I/O period the thread waits. Assume that there is no other process in system when the server is running. How many requests can the server handle per second if its a)single threaded b)multithreaded

1476


Explain what is an inverting amplifier?

574


In a sales interview if a person ask us how would you be able to sell our products in this recesion. How would i have to respond them.

1438


why we are using register of 1k,10k,100k,47k,330k in cell phone based voting machine project?

1692


How is cad used with electronics? Give example.

582


What is 74ls244?

585


Define why r-c filters are suitable only for light loads?

686