Demodulation

Demodulation is the process of extracting the original information-bearing signal from a modulated carrier wave. In the context of space and astronautical engineering, demodulation is a crucial step in the reception of signals from spacecraft and satellites. The transmitted signal is modulated with a carrier wave to allow it to travel long distances through space. Upon reception, the signal must be demodulated to extract the original information, such as telemetry data or images. Demodulation can be achieved through various techniques, including amplitude demodulation, frequency demodulation, and phase demodulation. The choice of demodulation technique depends on the modulation scheme used in the transmission. Demodulation is a critical component of space communication systems, as it enables the transmission of data and images from spacecraft and satellites to Earth-based receivers.
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