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
Answer: D
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
Answer: D