Question 51 : Small scale refers to changes in
1. Amplitude
2. Phase
3. Amplitude & Phase
4. None of the mentioned
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Question 52 : Minimum time required for magnitude change or phase change is called as
1. Shift time
2. Coherence time
3. Delay time
4. None of the mentioned
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Question 53 : What are the types of small scale fading that occurs due to Doppler shift?
1. Slow fading
2. Fast fading
3. Slow & Fast fading
4. None of the mentioned
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Question 54 : In matched filter _______ is performed.
1. Convolution
2. Correlation
3. Convolution & Correlation
4. None of the mentioned
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Question 55 : Uncorrelated fading occurs when
1. Time span is small
2. Time span is large
3. Does not depend on time span
4. None of the mentioned
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Question 56 : What are the parameters calculated for an estimator?
1. Error
2. Mean square error
3. Variance
4. All of the mentioned
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