Question

Define modulation . Write its type?

Answer 1

modulation is process of mixing a signal with a sinusoid to produce a new signal
f (t)=a sin(wt+Q)
types
amplitude modulation, frequency modulation, phase modulation

Answer 2

HEY MATE HERE IS YOUR ANSWER:-

MODULATION:-
Modulation is the process of superimposing electrical audio signal on high frequency carrier wave.
it is of three types
1. Amplitude modulation
2. Frequency modulation
3. Phase modulation.

HOPE IT HELPS