If a number of sine waves with modulatio...

If a number of sine waves with modulation indices `n_(1),n_(2),n_(3)`… modulate a carrier wave, then total modulation index (n) of the wave is

A

`n_(1)+n_(2)...+2(n_(1)+n_(2)......)`

B

`sqrt(n_(1)-n_(2)+n_(3).......)`

C

`sqrt(n_(1)^(2)+n_(2)^(2)+n_(3)^(2).......)`

D

`sqrt(n_(1)+n_(2)+........)`

Text Solution

Verified by Experts

The correct Answer is:

C

Topper's Solved these Questions

COMMUNICATION SYSTEMS
TARGET PUBLICATION|Exercise Competitive Thinking|46 Videos
COMMUNICATION SYSTEMS
TARGET PUBLICATION|Exercise Evaluation Test|15 Videos
COMMUNICATION SYSTEMS
TARGET PUBLICATION|Exercise Evaluation Test|15 Videos
ELECTRONS AND PHOTONS
TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

If a number of sine waves with modulation indices n,n,n ........ modulate a carrier wave, then total modulation index ( n ) of the wave is

A carrier wave is modulated by n number of sine waves with modulation indices mu_(1),mu_(2),mu_(3)+ .... The total modulation index (mu) of the wave is

A carrier wave is modulated by a number of sine waves with modulation indices 0.1 , 0.2 , 0.3 . The total modulation index ( m ) of the waves is

What is modulation index of an FM wave ?

What is the modulation index of an over modulated wave

What is the range of values of modulation index of an AM wave?

Define modulation. Write any two types of modulation of carrier wave.

In an amplitude modulation with modulation index 0.5 the ratio of the carrier wave to that of side band in the modulated wave is

If A_m and A_c are the amplitudes of modulating signal and carrier wave respectively, then modulation index is given by

A carrier is simultaneously modulated by two sine waves with modulation indices of 0.4 and 0.3 . The resultant modulated index will be

TARGET PUBLICATION-COMMUNICATION SYSTEMS-Critical Thinking

The audio ignal used to modulate 30 sin (2pixx10^(6) t ) is 15 s...
Text Solution
|
What is the modulation index of an over modulated wave
Text Solution
|
If a number of sine waves with modulation indices n(1),n(2),n(3)… modu...
Text Solution
|
Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50V is a...
Text Solution
|
In space communcation , the information can be passed from on place ...
Text Solution
|
The maximum usable fequency in F-layer with original frequency in 50 M...
Text Solution
|
In which of the region of earth's atmosphere temperature decreases wit...
Text Solution
|
If the frequency of E.M radiations is halved then the energy of EM ra...
Text Solution
|
The sky wave propagation is suitable for radiowaves of frequency
Text Solution
|
mesosphere reflects which of them following type of wave, particularly...
Text Solution
|
A geo-synchronous satellite is:
Text Solution
|
The height of a T.V. tower is 300 m. What is the maximum distance upto...
Text Solution
|
Electromagnetic waves of frequencies higher than 9sqrt(2) MHz are foun...
Text Solution
|
The maximum line-of -sight distance d(M) between two antennas having h...
Text Solution
|
A transmitting antenna at the top of a tower has a height of 50 m and ...
Text Solution
|
When an electromagnetic wave enters the ionised layer of ionosphere,...
Text Solution
|
for the first pair of side band frequencies, band width required for a...
Text Solution
|
In FM, frequency deviation is
Text Solution
|
Consider an optical communication system operating at lambda=800 nm. S...
Text Solution
|
A telephone link operating at a center frequency of 10 GHz is etablish...
Text Solution
|