Compare analog and digital communication systems.

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Module 2: Digital Modulation

20257m

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Analog vs Digital: Analog continuous, accumulates noise, low BW, simple, FDM, hard encryption. Digital discrete samples+quantized, regenerative threshold, high immunity, higher BW (PCM $n f_s$ ), complex codec, TDM efficient, easy encryption. Digital dominates modern due to robustness despite BW cost.

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