... Signal Retrieval and Communication Theory of systems for the conveyance of information Characteristics of communication systems Uncertainty Keep in mind: Signal ... proliferation of communication systems Block Diagram of a Communication System Keep in mind that this is only a model! Can we make it simpler? More complicated? Consequences? Components of Block Diagram ... interfering signals on system performance, and design of systems to counteract their effects are part of communication theory, which makes use of modulation theory 15 Probabilistic Approaches to...