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Identify the mathematical expression for...

Identify the mathematical expression for amplitude modulated wave

A

`A_(c)sin[{omega_(c)+K_(1)V_(m)(t)}+phi]`

B

`A_(c)sin{omega_(c)t+phi+K_(2)V_(m)(t)}`

C

`{A_(c)+K_(2)V_(m)(t)}sin{omega_(c)t+phi}`

D

`A_(c)V_(m)(t)sin(omega_(c)t+phi)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-COMMUNICATION SYSTEMS -Exercise - IA (Modulation)
  1. In Amplitude modulation

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  2. The physical quantities of the wave used for modulation

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  3. Amplitude modulation is used for broad casting because

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  4. Draw backs of Amplitude modulation

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  5. Purpose of oscillator in the AM transmitter

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  6. In frequency modulation

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  7. In a communication system, noise is most likely to affect the signal

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  8. The difference between phase and frequency modulation

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  9. While tuning in a certain broad cast station with a receiver, we are a...

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  10. Digitals signals (i) do not provide a continous set of values (ii)...

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  11. In T.V. broadcasting both picture and sound are transmitted simultaneo...

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  12. The process of separating radio signal from the modulated wave is know...

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  13. The sound waves after being converted into electrical waves are not tr...

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  14. In amplitude modulation, the total modulation index should not exceed ...

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  15. Modem is device which performs

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  16. Audio signal cannot be transmitted, because

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  17. Of the following which is perferred modulation scheme for digital comm...

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  18. A basic communication system consists of (A) transmitter (B) info...

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  19. Digitals signals (i) do not provide a continous set of values (ii)...

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  20. Identify the mathematical expression for amplitude modulated wave

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