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ECE 401 Communication Systems - University of Dayton : Homepages

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Digital Modulation<br />

• One waveform is transmitted for each symbol<br />

from a finite set.<br />

• Lowpass channel signaling with baseband signals<br />

– Pulse Modulation<br />

– Custom Orthogonal Waveforms<br />

• Bandpass channel signaling using carrier<br />

modulation<br />

– ASK, PSK, FSK<br />

– QAM<br />

– And many more…<br />

<strong>University</strong> <strong>of</strong> <strong>Dayton</strong> Department<br />

<strong>of</strong> Electrical and Computer<br />

Engineering

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