Uttar Pradesh Technical University (UPTU) 2006 B.Tech Electronics and Communications Engineering radar guidance & navigation( 2005-06) - Question Paper

B.Tech.
7th Semester Examination,2005-2006
Radar Guidance & Navigation(TEC-012)

Note:Attempt ALL ques..All ques. carry equal marks.

Q.1.Attempt any 4 parts of the following:

(a)Draw block diagram of a pulse radar and discuss every block briefly.

(b)Derive radar range formula and comment on it.

(c)Draw block diagram of CW Doppler radar with non zero I.F.receiver and discuss it.

(d)Explain the use of delay line cancellors.Give its filter characteristics.

(e)Explain the subsequent terms:
(1)Blind speed (2)Target area
(3)Doppler effect

(f)Explain MTI radar and provide its limitations.

Q.2.Attempt any 4 parts of the following:

(a)With a neat diagram,explain the principle and working of a line kind modulator.

(b)Explain the subsequent terms used with radar receiver:
(1)noise figure (2)noise temperature

(c)Explain working of a image recovery mixer and provide its limitations.

(d)Discuss principle and working of balanced duplexer.

(e)Explain A-scope radar display.

(f)Give block diagram of a radar receiver and briefly discuss it.

Q.3.Attempt any 2 parts of the following:

(a)Explain the following:
(1)low noise front ends (2)receiver protections

(b)What is a radio range?Explain long wave radio range.What are its shortcomings and how are

they removed?

(c)Write notes on the following:
(1)radar beacons (2)loran

Q.4.Attempt any 2 parts of the following:

(a)Explain the errors encountered in direction finding.How are these removed?

(b)Explain the following:
(1)goniometer (2)sense finder

(c)Explain ILS and compare it with GCA.


Q.5.Attempt any 2 parts of the following:

(a)With the help of a neat diagram,explain basic and internal guidance system.

(b)What is gyroscope?Give its principle,construction details and working.Where it obtains use?

(c)Explain server system components and provide their applications.

Earning:   Approval pending.