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Questions and Answers
What occurs when a source is moving away from an observer?
What occurs when a source is moving away from an observer?
- Frequency appears higher
- Frequency appears lower (correct)
- Frequency becomes infinite
- Frequency remains the same
What is the phenomenon where multiple versions of a signal arrive at the receiver with different delays?
What is the phenomenon where multiple versions of a signal arrive at the receiver with different delays?
- Delay effect (correct)
- Channel dispersion
- Multipath propagation
- Intersymbol interference
What is the result of intersymbol interference (ISI)?
What is the result of intersymbol interference (ISI)?
- Received signal is delayed
- Received signal is enhanced
- Received signal is amplified
- Received signal is distorted (correct)
What is the main cause of intersymbol interference (ISI)?
What is the main cause of intersymbol interference (ISI)?
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What is the effect of intersymbol interference (ISI) on the received signal?
What is the effect of intersymbol interference (ISI) on the received signal?
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What is the result of signal reflections in a transmission medium?
What is the result of signal reflections in a transmission medium?
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What is the consequence of finite speed of signal propagation?
What is the consequence of finite speed of signal propagation?
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What is the effect of multipath propagation on a transmitted signal?
What is the effect of multipath propagation on a transmitted signal?
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What is intersymbol interference (ISI) caused by?
What is intersymbol interference (ISI) caused by?
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What happens when the frequency of a signal appears lower?
What happens when the frequency of a signal appears lower?
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