Question 11 : If Fx and Fy are the sampling rates of the input and output signals respectively, then what is the value of Fy/Fx?
1. D/I
2. I/D
3. I.D
4. None of the mentioned
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Question 12 : What is the process of converting a signal from a given rate to a different rate?
1. Sampling
2. Normalizing
3. Sampling rate conversion
4. None of the mentioned
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Question 13 : We need not relate the spectrum of y(m) to spectrum of x(n) to obtain frequency response characteristic of y(m).
1. True
2. False
3.
4.
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Question 14 : If x(n) produces y(m), then x(n-n₀)) does imply y(n-n₀) for any value of n₀).
1. True
2. False
3.
4.
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Question 15 : Which of the following methods are used in sampling rate conversion of a digital signal?
1. D/A convertor and A/D convertor
2. Performing entirely in digital domain
3. None of the mentioned
4. Both of the mentioned
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Question 16 : Which of the following is true about the filtering operation on x(n)?
1. Linear
2. Time variant
3. None of the mentioned
4. Linear and time invariant
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Question 17 : To what value should the bandwidth of x(n) has to be reduced in order to avoid aliasing?
1. F/D
2. F/2D
3. F/4D
4. None of the mentioned
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Question 18 : What is the folding frequency for the aliased version of x(n) with sampling rate F?
1. F/D
2. F/4D
3. F/2
4. F/2D
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Question 19 : The sequence v ̅(n) can be obtained by multiplying v(n) with a signal p(n) of period D.
1. True
2. False
3.
4.
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Question 20 : Which of the following use quadrature mirror filters?
1. Sub band coding
2. Trans-multiplexer
3. Both of the mentioned
4. None of the mentioned
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