Answer / Simpal

Angle Modulation (AM) is a method of modulating a carrier wave by varying its phase or frequency to represent the input signal. Amplitude Modulation (AM), on the other hand, varies the amplitude of the carrier wave according to the input signal. Noise in modulation refers to unwanted disturbances or fluctuations that are introduced into the communication channel during transmission, which can degrade the quality and clarity of the received signal.

Compare GSM and CDMA. And which one is better and why??

4 Answers   HCL, Matrix,

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send me few previous years section engineer question papers?..

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10 Answers   BARC,

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