Chapter 3 Homework

Chapter 3 Homework - ClearSignal Elaine Montilla Chapter 3...

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Signal Affected by noise Clear Signal Elaine Montilla Chapter 3 Homework Short Answer 1. The 4 combinations are: a. Analog information over analog signals b. Analog information over digital signals c. Digital information over analog signals d. Digital information over digital signals 2. The major disadvantage of analog signals is their susceptibility to damage by noise 3. An Analog signal can take on any of an infinite number of shapes. The noise effect cannot be known accurately, either, because noise shapes and strengths are random. Therefore, the receiver cannot precisely reconstitute the original signal. We can take steps to reduce noise, but cannot eliminate it. The noise added to the signal makes separating the noise from the original signal an impossible task. It is easier for digital signals to guess the original signal due to the limited number of shapes that can be sent. 4. For a signal, Bandwidth is the significant range of frequencies in the spectrum 5. For a system, bandwidth is the usable range of frequencies in the spectrum
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Chapter 3 Homework - ClearSignal Elaine Montilla Chapter 3...

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