Which of the following statements about carriers is false?
Posted: Mon Jan 30, 2023 7:26 am
Which of the following statements about carriers is false?
A. A carrier is an electromagnetic wave that is modulated to transmit a signal, and its waveform is typically a sine wave.
B. Carrier signals can be produced by modulating the three components (frequency bandwidth, frequency, and phase) of electromagnetic waves.
C. Carriers are the physical basis and bearer tool for transmitting voice and data information.
D. The receiver end needs to parse carrier signals to obtain data.
A. A carrier is an electromagnetic wave that is modulated to transmit a signal, and its waveform is typically a sine wave.
B. Carrier signals can be produced by modulating the three components (frequency bandwidth, frequency, and phase) of electromagnetic waves.
C. Carriers are the physical basis and bearer tool for transmitting voice and data information.
D. The receiver end needs to parse carrier signals to obtain data.