Question 1 : The number of filters in CPM receiver structure is
1. LM
2. ML
3. M/L
4. None of the mentioned
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Question 2 : Which reduces the effective distance between signals in signal space?
1. Time error
2. Frequency offset
3. Time error & Frequency offset
4. None of the mentioned
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Question 3 : Synchronization is used in system which has
1. Non coherent modulation techniques
2. Many users accessing
3. Non coherent modulation techniques & Many users accessing
4. None of the mentioned
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Question 4 : Acquisition is a ______ operation.
1. Linear
2. Non linear
3. Linear & Non linear
4. None of the mentioned
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Question 5 : The system which has ______ signal to noise ratio can tolerate larger timing error.
1. Large
2. Small
3. Large & Small
4. None of the mentioned
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Question 6 : Which method has fast acquisition and can work without return link?
1. Open loop method
2. Closed loop method
3. Open & Closed loop method
4. None of the mentioned
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Question 7 : Which method is more accurate?
1. Closed loop synchronizer
2. Open loop synchronizer
3. Closed & Open loop synchronizer
4. None of the mentioned
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Question 8 : For block codes _____ is necessary.
1. Phase synchronization
2. Frequency synchronization
3. Frame synchronization
4. None of the mentioned
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Question 9 : Continuous phase modulation has
1. More bandwidth efficiency
2. More smoothness
3. More bandwidth efficiency & smoothness
4. None of the mentioned
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Question 10 : In VCO the output frequency is a linear function of its input
1. Frequency
2. Voltage
3. Time period
4. None of the mentioned
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