Radar Systems
UNIT- I
- Radar Fundamentals
- Fundamental radar principles
- types of radar systems
- basic radar block diagram and description
- detection, range, velocity and target location measurements
- signature reflectivity and imaging.
UNIT- II
- Radar Equations and CW radars
Radar equations:
- The radar equations:
- an introduction
- the pulse radar equation
- the search radar
- equation the bistatic radar equation
- the radar equation with pulse compression
- the beacon radar equation.
CW radars:
- Unmodulated continuous wave (CW) radar
- frequency modulated CW radars.
UNIT- III
MTI and Pulse Doppler Radars
- Introduction
- single delay-line canceler
- double delay-line canceler
- MTI recursive filter
- MTI non-recursive filter
- pulse Doppler radar
- range and Doppler ambiguities.
UNIT- IV
Pulse Compression Radar and Synthetic Aperture Radars
- The matched filter
- the radar ambiguity function
- pulse compression in radars
- Synthetic aperture radars:
- SAR general description,
- SAR signal processing,
- radar equation of the SAR system.
Radar Receivers:
- Block diagram of super heterodyne receiver-
- Detection of Radar signals in noise –
- Matched filter criterion-
- detection criterion –
- Extraction of information and waveform design.
Special purpose radars:
- Synthetic Aperture Radar-
- Height finder-
- 3D radars –
- Radar Beacons-
- Radar Jamming.
UNIT- V
Tracking Radars
- Range tracking,
- angle tracking:
- sequential lobing,
- conical-scan tracking,
- monopulse tracking radar.
Notes: -
Unit 1 👉 CLICK HERE
Unit 2 👉 CLICK HERE
Unit 3 👉 CLICK HERE
Radar System Notes 👉 CLICK HERE
Mid 1 Syllabus-Unit 1,2,3
1. Derive the simple form of Radar equation and list its advantages and limitations.
2. Give a brief note about types of Radar Systems.
3. Find the Maximum Range of a Radar with the following specifications: Peak power transmitted is 250KW, Effective area is 4m2, Radar Cross Section is 25 m2, and Transmitting antenna Gain is 4000 and Minimum signal received at the receiver being 10-12W.
4. Compare Radar equations of different Radar Systems.
5. A high-PRF radar has a pulse width of 1.0 µs and a duty factor of 20%. What is this radar’s maximum unambiguous range?
6. Explain in detail the CW Doppler RADAR with necessary diagrams.
7. Compare the FMCW Radar and Pulsed Doppler RADAR
8. What are Delay line cancellers? Explain about different Delay line cancellers in detail.
9. Analyse how Doppler Effect concept is implemented in the MTI Radar System.
10. Compare MTI and Pulse Doppler Radar
11. Write short notes on the following terms
Peak power 2. Unambiguous Range 3. Average power
4. Pulse repetition period and 5. Pulse repetition frequency
12. Write a brief note on signature reflectivity and imaging of Radar Systems.
13. A certain Radar has PRF of 1250 pulses per second. What is the maximum unambiguous range?
14. Compare Radar equations of different Radar Systems.
15. Explain in detail the CW Radar with necessary diagrams
16. A Radar operating at 3GHz radiates power of 200W. Calculate the power of reflected signal at the Radar with a 20 m2 target at 300 Nautical Miles, taking Ae = 9m2. 1 Nautical Mile = 1.8412x103m
17. Write about Doppler Effect and how it is useful for Radar Systems.
18. Write a detailed note on MTI recursive filter, MTI non recursive filters.
19. What are Delay line cancellers? Explain about different Delay line cancellers in detail.
