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What is angle and amplitude modulation?
what is noise in modulation?
Modulation means change. to send a message of low frequency to a far distance we use a carrier of high frequency to carry the message.
While transferring we change some parameters of carriers for faithful tranformation of message signal.
If the amplitude of the carrier is varied in accordance with frequency of message signal then it is called amplitude modulation.
If either phase or frequency is changed in accordance with the frequency of message signal then it is called angle modulation.
Noise is an unwanted signal which enter in signal while transfering a signal and makes the signal distorted.
While transferring we change some parameters of carriers for faithful tranformation of message signal.
If the amplitude of the carrier is varied in accordance with frequency of message signal then it is called amplitude modulation.
If either phase or frequency is changed in accordance with the frequency of message signal then it is called angle modulation.
Noise is an unwanted signal which enter in signal while transfering a signal and makes the signal distorted.