In which type of modulation is a 1 distinguished from a 0 by shifting the direction in which the wave begins?
A)bandwidth modulation
B)amplitude modulation
C)frequency modulation
D)phase modulation
E)codec modulation

Question

Quizplus · Accepted Answer

In phase modulation, the phase of the carrier wave is varied in proportion to the amplitude of the modulating signal. In this type of modulation, the direction in which the wave begins can be shifted to distinguish between a 1 and a 0. This is also known as binary phase shift modulation.

In Which Type of Modulation Is a 1 Distinguished from a 0