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6 Cards in this Set
- Front
- Back
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signal |
Some form of energy (continuous or discrete) Varies wiht time |
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Channel
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A physical medium that conveys energy. Real channels distort signals (how distorts depends on the signal) |
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Bandwidth-limited |
range of frequencies the channel will transmit. Limited mean slow to react to change in signal |
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Attenuates
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Signal gets “softer” the further it travels.
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Distortion
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Different frequencies have different responses
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Noise
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interference that may add or subtract to original signal |
