BUY Scientific Instrument,Physics,Chemistry And Bio Lab Instruments And Chemicals.

Contact:+91-9660892433,+91-8426853129

mail us- kumawat96602433@gmail.com

RADAR PAPERS


1. (a) Describe and distinguish between the di erent types of ECM directed against
a radar.
(b) Discuss the relations between the matched lter characteristics and correlation
function. [8+8]
2. (a) Compare the tracking techniques.
(b) Explain in detail about limitations to tracking accuracy. [10+6]
3. (a) Discuss in detail the choice of various parameters that are a ecting the Radar
range.
(b) Bring out the restrictions on the selection of pulse repetition frequency in
Radar operations. How are they adjusted for various range requirements?
[8+8]
4. (a) Explain the principle of functioning and characteristics of a branch type du-
plexer.
(b) Explain the characteristics of a mixer unit in radar receivers. [8+8]
5. (a) Explain with diagram how Doppler direction is measured by Synchronous
motor in CW Radar. List its applications.
(b) Explain how the noise is a ecting the performance of CW Radar with zero IF
and explain how that e ect is overcome in CW Radar with non zero IF. [8+8]
6. (a) Description of Range gate Doppler lters.
(b) Di erentiate blind phases from blind speeds.
(c) Discuss the application of electrostatic storage tubes in MTI radar. [6+5+5]
7. (a) Describe a pulsed Radar system. Discuss how the direction and range of an
object is determined using this system.
(b) Discuss about the frequencies used for radar. [10+6]
8. Distinguish the principle of operation of a simple pulse radar from a simple CW
radar. Explain the di erence with neat schematic block diagrams. [16]
********
1. (a) Describe and distinguish between the di erent types of ECM directed against
a radar.
(b) Discuss the relations between the matched lter characteristics and correlation
function. [8+8]
2. (a) Description of Range gate Doppler lters.
(b) Di erentiate blind phases from blind speeds.
(c) Discuss the application of electrostatic storage tubes in MTI radar. [6+5+5]
3. (a) Explain with diagram how Doppler direction is measured by Synchronous
motor in CW Radar. List its applications.
(b) Explain how the noise is a ecting the performance of CW Radar with zero IF
and explain how that e ect is overcome in CW Radar with non zero IF. [8+8]
4. Distinguish the principle of operation of a simple pulse radar from a simple CW
radar. Explain the di erence with neat schematic block diagrams. [16]
5. (a) Describe a pulsed Radar system. Discuss how the direction and range of an
object is determined using this system.
(b) Discuss about the frequencies used for radar. [10+6]
6. (a) Discuss in detail the choice of various parameters that are a ecting the Radar
range.
(b) Bring out the restrictions on the selection of pulse repetition frequency in
Radar operations. How are they adjusted for various range requirements?
[8+8]
7. (a) Compare the tracking techniques.
(b) Explain in detail about limitations to tracking accuracy. [10+6]
8. (a) Explain the principle of functioning and characteristics of a branch type du-
plexer.
(b) Explain the characteristics of a mixer unit in radar receivers. [8+8]
********
1. (a) Explain with diagram how Doppler direction is measured by Synchronous
motor in CW Radar. List its applications.
(b) Explain how the noise is a ecting the performance of CW Radar with zero IF
and explain how that e ect is overcome in CW Radar with non zero IF. [8+8]
2. (a) Description of Range gate Doppler lters.
(b) Di erentiate blind phases from blind speeds.
(c) Discuss the application of electrostatic storage tubes in MTI radar. [6+5+5]
3. (a) Describe a pulsed Radar system. Discuss how the direction and range of an
object is determined using this system.
(b) Discuss about the frequencies used for radar. [10+6]
4. (a) Explain the principle of functioning and characteristics of a branch type du-
plexer.
(b) Explain the characteristics of a mixer unit in radar receivers. [8+8]
5. (a) Compare the tracking techniques.
(b) Explain in detail about limitations to tracking accuracy. [10+6]
6. (a) Describe and distinguish between the di erent types of ECM directed against
a radar.
(b) Discuss the relations between the matched lter characteristics and correlation
function. [8+8]
7. Distinguish the principle of operation of a simple pulse radar from a simple CW
radar. Explain the di erence with neat schematic block diagrams. [16]
8. (a) Discuss in detail the choice of various parameters that are a ecting the Radar
range.
(b) Bring out the restrictions on the selection of pulse repetition frequency in
Radar operations. How are they adjusted for various range requirements?
[8+8]
********
1. (a) Compare the tracking techniques.
(b) Explain in detail about limitations to tracking accuracy. [10+6]
2. (a) Description of Range gate Doppler lters.
(b) Di erentiate blind phases from blind speeds.
(c) Discuss the application of electrostatic storage tubes in MTI radar. [6+5+5]
3. (a) Describe a pulsed Radar system. Discuss how the direction and range of an
object is determined using this system.
(b) Discuss about the frequencies used for radar. [10+6]
4. (a) Describe and distinguish between the di erent types of ECM directed against
a radar.
(b) Discuss the relations between the matched lter characteristics and correlation
function. [8+8]
5. (a) Explain the principle of functioning and characteristics of a branch type du-
plexer.
(b) Explain the characteristics of a mixer unit in radar receivers. [8+8]
6. (a) Discuss in detail the choice of various parameters that are a ecting the Radar
range.
(b) Bring out the restrictions on the selection of pulse repetition frequency in
Radar operations. How are they adjusted for various range requirements?
[8+8]
7. Distinguish the principle of operation of a simple pulse radar from a simple CW
radar. Explain the di erence with neat schematic block diagrams. [16]
8. (a) Explain with diagram how Doppler direction is measured by Synchronous
motor in CW Radar. List its applications.
(b) Explain how the noise is a ecting the performance of CW Radar with zero IF
and explain how that e ect is overcome in CW Radar with non zero IF. [8+8]
********

1. (a) Derive the Radar range equation.
(b) With a block diagram explain the operation of pulse radar. [6+10]
2. (a) What is false alarm, and probability of detection.
(b) What is Radar Cross section? How does it control the performance of Radar?
[8+8]
3. (a) Explain the operation of CW tracker illuminator of the missile system.
(b) What are the advantages and disadvantages of FMCW Radar over multiple
frequency CW Radar. [8+8]
4. (a) Explain how moving target may be distinguished from stationary targets by
observing the video output on an A - scope.
(b) What are bipolar and uni polar video signals ? Explain. [10+6]
5. Explain the following limitations of MTI radar.
(a) Equipment instabilities.
(b) Scanning modulation.
(c) Internal fluctuation of clutter. [5+5+6]
6. (a) Compare the tracking techniques.
(b) Explain in detail about limitations to tracking accuracy. [10+6]
7. (a) Bring out the requirements for duplexers and list out the different types.
(b) Explain the method of measurement of noise figure of a radar receiver. [8+8]
8. Write notes and explain about:
(a) Passive ECM
(b) Matched and non-matched filters
(c) North filter.
(d) Antijamming techniques. [4×4]

***********

No comments:

Post a Comment