2012 B.Tech Electronics and Communications Engineering EC 801-Radar and Navigation of Kannur University, VIII Semester B.Tech. Question paper

VIII Semester B.Tech.-including part time Degree (Reg./Sup./Imp.)
Examination,April 2012
(2007 Admn.Onwards)
PT2K6/2K6EC EC 801-RADAR AND NAVIGATION
Time:3 Hours Max.Marks:100


I.Answer all the questions:

1)Derive the simple form of radar range equation. [Marks 5]
2)What is minimum detectable signal?Discuss the issues involved while setting the threshold level in radar receiver. [Marks 5]
3)Discuss the limitations to MTI performance. [Marks 5]
4)Compare mono pulse radar with conical scan radar. [Marks 5]
5)Discuss different types of detectors used in Radar. [Marks 5]
6)With a neat diagram explain the working of three cavity klystron amplifier used in radar transmitter. [Marks 5]
7)Write a note on Decca. [Marks 5]
8)Explain the role of satellites in navigation. [Marks 5]

II.Answer any one full question:
1)With a neat block diagram explain the operation of a pulse radar.Also discuss the applications of radar. [Marks 15]
OR

2)Write on explanatory note on
a)Maximum unambiguous range
b)Pulse repetition frequency and multiple time around echos.
c)Microwave plumbing and antenna losses. [Marks 15]
III.Answer any one full question:

1)List the advantages offered by digital MTI processing, with a neat block diagram explain digital MTI processor.Explain the operation of each block. [Marks 15]

OR
2) a)Explain the issues when the radar is on moving platform such as ship or aircraft.How to overcome the same ?
b)With a neat diagram explain the working of FM-CW radar. [Marks 15]

IV.Answer any one full question:

1) What are the advantages of electronically steered phased array antennas ?
Explain the radiation patterns and beam steering mechanisms in phased array antennas.[Marks 15]

OR
2)
a) Explain the role of duplexers in radar receiver, with diagrams explain the working of balanced duplexer.
b) Write a note on A-scope and PPI displays used in Radar systems. [Marks 15]

V. Answer any one full question:

1) Explain radio detection finding using
a)Loop antenna
b)Goniometer
c)Automatic direction finders. [Marks 15]

OR

2)
a) Explain the principle of VOR, with a neat block diagrams explain the VOR ground equipment and instrument part of VOR receiver.
b) Write a note on doppler navigation. [Marks 15] 

2012 Kannur University B.Tech Electronics and Communications Engineering VIII Semester B.Tech. (including part time) Degree (Reg./Sup./Imp.) Examination,April 2012 Question paper Question paper

VIII Semester B.Tech.-including part time Degree (Reg./Sup./Imp.)
Examination,April 2012
(2007 Admn.)
PT2K6/2K6EC EC 805(B)-DIGITAL IMAGE PROCESSING
Time:3 Hours Max.Marks:100


I.Answer all the questions:

a) Write notes on visual perception. [Marks 5]
b)Write notes on brightness, contrast, hue and saturation. [Marks 5]
c)Write notes on the degradation model. [Marks 5]
d)Explain the difference between image enhancement and restoration. [Marks 5]
e)Write notes on region splitting and merging. [Marks 5]
f)List out the application of neural network in image processing . [Marks 5]
g)Explain Huffman coding and its limitations. [Marks 5]
h)Write notes on vector quantization with suitable example. [Marks 5]

II. a) Compute the basis of KL transform for the input data
X1=(4,4,5) X2=(3,2,5) X3=(5,7,6) X4=(6,7,7) . [Marks 15]

OR

b)Explain in detail the wavelet transforms in two dimensions with suitable examples.

[Marks 15]
III. a)Explain in detail the Weiner filter with suitable examples and also list out the drawbacks of it. [Marks 15]

OR

b)Explain in detail with suitable examples, the special filtering. [Marks 15]

IV. a)Explain in detail about the neural network based image processing. [Marks 15]

OR

b)Explain in detail the pattern matching for object recognition in detail with suitable examples. [Marks 15]

V. a)Explain in detail the block transform coding in image compression. [Marks 15]

OR

b) Explain in detail the JPEG and MPEG standards in detail. [Marks 15] 

2011 B.Com Computer Applications Kannur University IV Semester B.A./B.Sc./B.Com./B.B.A./B.B.A.T.T.M./B.B.M./B.C.A./B.S.W. (CCSS-Regular) Degree Examination, March 2011 (Core Course) COMMERCE 4B07 COM: Informatics Skills Question paper

IV Semester B.A./B.Sc./B.Com./B.B.A./B.B.A.T.T.M./B.B.M./B.C.A./B.S.W. (CCSS-Regular) Degree Examination, March 2011
(Core Course)
COMMERCE
4B07 COM: Informatics Skills 

2012 Kannur University B.Tech Electronics and Communications Engineering VIII Semester B. Tech. - lncluding Part Time Degree (Reg/Sup./lmp.) Examination, EMBEDDED SYSTEMS Question paper

VIII Semester B. Tech. - Including Part Time Degree (Reg/Sup./lmp.)
Examination, April 2012
(2007 Admn. Onwards)
PT 2K6/2K6 EC 805(D) - EMBEDDED SYSTEMS

Time : 3 Hours Max Marks : 100
PART A 


1. Explain characteristic of embedded computing applications. [Marks 5]

2. Compare and contrast top-down and bottom-up methodology. [Marks 5]

3. Write short notes on RISC and CISC processor. [Marks 5]

4. Write short notes following l/Os

a) Port Based l/O

b) Bus Based l/O. [Marks 5]

5. Write short notes on embedded hardware architecture. [Marks 5]

6. Write short notes on Sensor network. [Marks 5]

7, Write short notes on round robin scheduling. [Marks 5]

8. Explain with an example of shared memory communication. [Marks 5]

PART B


1. a)Explain embedded system design process. [Marks 15]

OR

b)Explain the challenges in embedded computing system design. [Marks 15]

3. a)Write short notes on data operation in ARM. [Marks 15]

OR

b) Write short notes on data operation in SHARC. [Marks 15]

5. a)Write short notes on CAN Bus. [Marks 15]

OR

b)Design an Elevator controller. [Marks 15]

7. a)Write short notes on earliest deadline first scheduling.[Marks 15]

OR

b)Explain with an example of weighted round scheduling. [Marks 15] 

2011 Kannur University B.Tech Electronics and Communications Engineering Seventh Semester B.Tech. (Reg./Sup./lmp. - Including Part-Time) Degree Examination, November 2011 -TELEVISION ENGINEERING Question paper

VII Semester B.Tech. (Reg./Sup./lmp. - Including Part-Time) Degree
Examination, November 2011
(2007 Admn.)
PT 2K6|2K6 EC 704 TELEVISION ENGINEERING 


Duration :3 Hours Max. Marks : 100

PART _ A

1. What do you mean by image continuity ? Explain. [Marks 5]

2. Explain about positive and negative modulation. [Marks 5]

3. Mention the importance of color perception and define with an example. [Marks 5]

4. Mention about SECAM coder and decoder. [Marks 5]

5. What are all the merits of MPEG standard and suggest the application ? [Marks 5]

6. Mention about cable distribution system. [Marks 5]

7. Mention the need for compression and what are all the methods of compression ? [Marks 5]

8. Explain about HD digital TV. [Marks 5]

PART _ B 

9. a) Draw the block diagram of a TV transmitter and mention the significance of
the tuner system. [Marks 10]

b) Explain video and sound signal modulation. [Marks 5]

OR

10. a) Explain the working of a CCD camera with neat block diagram. [Marks 10]

b) Explain about VSB correction.

11. a) Explicate the working of picture tube with neat block diagram. [Marks 15]

OR

12. a) Mention the features formation of chrominance signal. [Marks 10]

b) What are the merits and demerits of Trinitron tubes. [Marks 5]

13. a) Explain with neat block diagram ACC amplifier circuits. [Marks 15]

OR

14. a) Explain about color signal matrixing. [Marks 10]

b) Write short notes on U and V demodulators. [Marks 5]

15. Explain about DCT based transform coding system. [Marks 15]

OR

16. Explain the concept of MPEG video compression techniques and mention the
standards. [Marks 15] 

2011 Kannur University B.Tech Electronics and Communications Engineering Seventh semester B-tech Semester B.Tech. (Reg./Sup./lmp. - Including Part Time) Degree Examination, November 201 1 Question paper

VII Semester B.Tech. (Reg./Sup./lmp. - Including Part Time) Degree
Examination, November 201 1
(2007 Admn.)
PT 2K6/2K6 EC 701 : MICRO ELECTRONICS TECHNOLOGY 

Time : 3 Hours Max. Marks: 100

I. a) Brief the effects of dopants during oxidation. [Marks 5]

b) Give the evaluation procedure of the simple CVD System. [Marks 5]

c) Draw the schematic of a simple Bicmos inverter and explain its operation. [Marks 5]

d) Brief the latch up in CMOS circuits. [Marks 5]

e) Give the different encodings used in stick diagram representation for nMOS process. [Marks 5]

f) List the various )" based design rules adopted for the transistor in nMOS, PMOS and CMOS. [Marks 5]

g) Describe the short comings of producing thick field oxide as isolation. [Marks 5]

h) Write short notes on ballistic nano transistors. [Marks 5]

II. a) i) Write short notes on types of photo resists. [Marks 5]

ii) Explain with a schematic, the CZO Charlski growth method in detail. [Marks 10]

OR

b) i) Briefly describe the advantage and disadvantages of Atmosphere pressure
CUD of diectrics. [Marks 5]

ii) State the Hicks laws. Give the mechanism factors for determination of
the diffusion coefficient D. [Marks 10]

III. a) i) Derive the expression for lds in a nMOS transistor in the different regions
of operations. [Marks 10]

ii) Mention the types of nMOS transistors and give their output characteristics
and made the parameters. [Marks 5]

OR

b) i) Explain the nMOS Fabrication process with required figures. [Marks 10 ]

ii) Compare CMOS and bifdar technology. [Marks 5]

IV. a) i) Give the Stick diagram of the NAND gate using nMOS and CMOS design
style. [Marks 8]

ii) Write short notes on Pass transistors and transmission gates. [Marks 7]

OR

b) Give the nMOS implementation of Sum and Carry output of a half adder
circuit. Also draw the layout of the above circuits. [Marks 15]

V. a) i) Explain the SWAMI Process in detail. Draw necessary figures. [Marks 10]

ii) Compare simple shallow trench isolation process and deep trench isolation
process. [Marks 5]

OR

b) i) Explain the different SOI methods in device isolation. [Marks 10]

ii) Write about the ohms law in nanometer scaled devices. [Marks 5] 

2011 Kannur University B.Tech Electronics and Communications Engineering Seventh Semester B.Tech. (Reg./Suppl./Imp.-Including(Part Time) Degree Examination, November 2O11 : SATELLITE COMMUNICATION Question paper

VII Semester B.Tech. (Reg./Suppl./Imp.-Including(Part Time) Degree
Examination, November 2O11
(2007 Admn.)
PT 2K6/2K6 EC 705 (B) : SATELLITE COMMUNICATION 

Time: 3 Hours Max. Marks : 100 

PART_ A 

1. Why satellite communication is so important ? [Marks 5]

2. Describe about orbital mechanics. [Marks 5]

3. What do you mean by look angle ? Explain. [Marks 5]

4. State Grassmans Law and mention its significance. [Marks 5]

5. Explain about spread spectrum transmission system. [Marks 5]

6. Explain about GPS position location principles. [Marks 5]

7. Describe satellite signal acquisition and mention its importance. [Marks 5]

8. Describe the concept of motion compensation. [Marks 5]


PART _ B 

9. a) Explain with neat diagram satellite communication system. [Marks 10] 

b) Mention about future trends in satellite communication system. [Marks 5] 

OR 

10. Explain about orbital effects in communication systems. 

11. a) Mention elaborately about satellite telemetry tracking systems. [Marks 15] 

OR 

12. a) Enlist the features of satellite antenna equipments. [Marks 10] 

b) Explain about primary power test methods. [Marks 5] 

13. a) Explain with neat block diagram FDMA and mention its importance. [Marks 15] 

OR 

14. a) Provide examples of TDMA frame structures and explain. [Marks 10] 

b) Explain about spread spectrum transmission system. [Marks 5] 

15. Design a down link/uplink for an educational institution and mention its 

specification. [Marks 15] 

OR 

16. Describe with neat block diagram satellite navigation system. [Marks 15]