Digital Signal
In space and astronautical engineering, a digital signal refers to a signal that is represented by a sequence of discrete values. These values are typically binary, meaning they can only take on two possible states (0 or 1). Digital signals are used extensively in spacecraft communication systems, as they are less susceptible to noise and interference than analog signals. Digital signal processing (DSP) is a key component of many spacecraft systems, including communication, navigation, and control systems. DSP involves the manipulation of digital signals to extract information or perform a specific function. This can include filtering, modulation, demodulation, and error correction, among other techniques.
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