Carrier Signal
In space and astronautical engineering, a carrier signal is a high frequency electromagnetic wave that is modulated with an information-bearing signal and used to transmit information through space. The carrier signal is typically generated by a transmitter and then sent through an antenna into space. The information-bearing signal is then added to the carrier signal, either by varying the amplitude, frequency, or phase of the carrier wave. This process is known as modulation. The resulting modulated signal can then be received by a receiver and demodulated to extract the original information. Carrier signals are used in a variety of applications, including satellite communications, radar, and navigation systems.
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