Exam Details
| Subject | Multirate Systems | |
| Paper | ||
| Exam / Course | BTCVI / BTECVI / BTELVI | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 3 IBIELE-014 I
B.Tech. -VIEP -ELECTRONICS AND COMMUNICATION ENGINEERING (BTECVI)
Term-End Examination June, 2016 00866
BIELE-014 MULTIRATE SYSTEMS
Time: 3 hours Maximum Marks: 70
Note: Answer any seven questions. All questions carry equal marks. Missing data, if any, may be suitably assumed. Use of scientific calculator is permitted.
1. What is sampling rate conversion? 3
Consider the analog signal
cos 100 T t.
-Determine the minimum sampling rate required to avoid aliasing.
Suppose that the signal is sampled at the rate Fs 200 Hz. What is the discrete time signal obtained after sampling?
Suppose that the signal is sampled at Fs =75 Hz. What is the discrete time signal obtained after sampling? 7
2. Define multirate systems and list their advantages. Also give some examples of multirate digital systems. 5+5
3. Give the Perfect Reconstruction of Quadrature Mirror Filter banks. List the steps involved in the design of an alias-free QMF bank. What is Power Symmetry in QMF bank?
4. What are the Perfect Reconstruction systems in an M-channel filter bank Also give the necessary and sufficient conditions for perfect reconstruction. 5+5
5. Design a Perfect Reconstruction system and determine an expression for sub-band coding gain. 4+6
6. What is an M-channel linear phase Perfect Reconstruction EIR QMF bank Give the synthesis procedure of these types of filters. 3+7
7. Explain the basic multirate operations involved during up sampling and down sampling processes both in time domain and frequency domain. 5+5
8. Define a uniform DFT filter bank and explain the decimated uniform DFT filter bank for polyphase representation. 3+7
9. What are Quantization effects What are the various types of quantization effects which occur in filter banks? Explain in brief.
10. Write short technical notes on any two of the following: 2x5=10
Amplitude and Phase Distortion
Aliasing and Imaging
Round-off Noise and Limit Cycle
Sub-Nyquist Sampling
B.Tech. -VIEP -ELECTRONICS AND COMMUNICATION ENGINEERING (BTECVI)
Term-End Examination June, 2016 00866
BIELE-014 MULTIRATE SYSTEMS
Time: 3 hours Maximum Marks: 70
Note: Answer any seven questions. All questions carry equal marks. Missing data, if any, may be suitably assumed. Use of scientific calculator is permitted.
1. What is sampling rate conversion? 3
Consider the analog signal
cos 100 T t.
-Determine the minimum sampling rate required to avoid aliasing.
Suppose that the signal is sampled at the rate Fs 200 Hz. What is the discrete time signal obtained after sampling?
Suppose that the signal is sampled at Fs =75 Hz. What is the discrete time signal obtained after sampling? 7
2. Define multirate systems and list their advantages. Also give some examples of multirate digital systems. 5+5
3. Give the Perfect Reconstruction of Quadrature Mirror Filter banks. List the steps involved in the design of an alias-free QMF bank. What is Power Symmetry in QMF bank?
4. What are the Perfect Reconstruction systems in an M-channel filter bank Also give the necessary and sufficient conditions for perfect reconstruction. 5+5
5. Design a Perfect Reconstruction system and determine an expression for sub-band coding gain. 4+6
6. What is an M-channel linear phase Perfect Reconstruction EIR QMF bank Give the synthesis procedure of these types of filters. 3+7
7. Explain the basic multirate operations involved during up sampling and down sampling processes both in time domain and frequency domain. 5+5
8. Define a uniform DFT filter bank and explain the decimated uniform DFT filter bank for polyphase representation. 3+7
9. What are Quantization effects What are the various types of quantization effects which occur in filter banks? Explain in brief.
10. Write short technical notes on any two of the following: 2x5=10
Amplitude and Phase Distortion
Aliasing and Imaging
Round-off Noise and Limit Cycle
Sub-Nyquist Sampling
Other Question Papers
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- Analog Communication
- Analog Electronic Circuits
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- Antennas and Propagation
- B10-Informatics
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- Information Theory And Coding
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