Detection & Estimation Theory M.Tech Question Paper : vardhaman.org
College : Vardhaman College Of Engineering
Degree : M.Tech
Semester : I
Department : Electronics & Communication Systems
Subject :Detection & Estimation Theory
Document type : Question Paper
Website : vardhaman.org
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Vardhaman Detection & Estimation Theory Question Paper
Two Year M. Tech I Semester Supplementary Examinations
(Regulations: VCE-R11)
Time: 3 hours
Max Marks: 60
Answer any FIVE Questions.
All Questions carry equal marks
Related : Vardhaman College Of Engineering Internetworking & Internet Protocols M.Tech Question Paper : www.pdfquestion.in/6434.html
April – 2013
All parts of the questions must be answered in one place only
1. a) Prove that for simple binary hypothesis tests the slope of a curve in a ROC
b) Explain composite hypothesis testing problem?
2. a) Explain the effect of sampling the band limited random signal. 6M
b) Derive the expression for cumulative mean power and covariance
3. a) Explain the linear estimation in white Gaussian noise. 6M
b) Derive an expression for the probability of detection and error probability
4. Explain any one of the multiple channels application with an example?
5. a) Explain to show specifically how the threshold is determined
how it depends on false alarm probability pn, a signal of amplitude
b) Derive the relation between the thresholds to the false alarm probability
6. Derive MAP estimate of the waveform for modulation system with memory.
7. Write briefly on Kalman filter modeling for recursive estimation of signals
8. a) Explain briefly about fundamental role of optimum role of linear filter? 6M
b) Let impulse response w(t), frequency response W(jw),
February – 2014
DETECTION AND ESTIMATION THEORY
(Common to Digital Electronics and Communication Systems &
Wireless Mobile Communications)
Date : 12 February, 2014 Time : 3 Hours
Max. Marks : 60
All parts of the question must be answered in one place only
1. a) List out any four properties of receiver operating characteristics
b) Explain bays criterion for M hypothesis.
2. a) State and prove properties of PSD of random process. 6M
b) Derive the expression for cumulative mean power and covariance
3. a) Explain for the simple binary case the optimum receiver
b) For general binary case the optimum receiver can be realized
4. a) Derive the solution for the optimum receiver for the simple binary
b) Explain joint MAP estimates in additive white Gaussian noise channel.
5. Explain in detail filtering of signals in noise using ad hoc formulation.
6. Derive MAP estimate of the waveform a(t) for modulation system
7. Explain briefly about recursive estimation of time varying signals.
8. Consider the RC circuit shown in Fig. 1, the output voltage y(t)
i. Represent an analog computer realization
ii. Find out y(t) in differential equation representative
Computer Architecture And Organization :
(Computer Science and Engineering)
Time: 3 hours Max Marks: 60
Answer any FIVE Questions.
All Questions carry equal marks
All parts of the questions must be answered in one place only
1 a) Draw the logic diagram of a 4-bit synchronous binary counter and explain its operations. 6M
b) Write the truth table for a full adder and derive the simplified Boolean for sum S and carry C. Draw the logic circuit. 6M
2 a) What are the different performance measures used to represent a computer systems performance? 6M
b) Differentiate multiprocessor and multi computer. 6M
3 a) Explain the variety of techniques available for sequencing of microinstructions based on the format of the address information in the microinstruction. 8M
b) “Hardwired control unit is faster than micro programmed control unit”. Justify this statement. 4M
4 a) Draw the structure of a sequential A.L.U and explain the functioning. 6M
b) Draw the diagram for a 4-stage floating point adder. Explain its operation. What is the speed-up S(4)? 6M
5 a) Describe the one-hot design of the control unit for a ‘gcd’ processor. 6M
b) Explain the operation of a Micro programmed control unit using a diagram. 6M
6 a) Difference between paging and segmentation. 4M
b) Explain How the logical address will be translated to physical address in paging. 8M
7 a) Discuss about standard serial communication protocols like RS232, USB, IEEE 1394. 7M
b) What are the different kinds of DMA transfer? 5M
8 a) Draw and explain the 8 X 8 omega switch network. 6M
b) Describe the mutual exclusion principle with a semaphore in multiprocessors. 6M