Surveillance Radars

1.

Surveillance
a
d
a
r
s

2.

RAdio
Detection
And
Ranging

3.

4.

Secondary
Surveillance
Radar

5.

6.

RADIATING ELEMENTS and
dipoles

7.

radiation pattern

8.

9.

10.

11.

12.

13.

14.

LVA Monopulse Antenna

15.

16.

Cone of Silence

17.

18.

19.

Squawk Codes
0000 TO 7777
1200:
7700:
7600:
7500:
Generally used by aircraft under Visual Flight Rules
Used during emergency
User when radio communication fails
Used during hijacking of the aircraft

20.

Primary
SURVEILLANC
E

21.

22.

23.

24.

CPIS WAVEFORM
SEQUENCE
• un-modulated short pulses for short range (SR) detection
• modulated long pulses for long range (LR) detection

25.

26.

elevation angle

27.

28.

radar Display
Aircraft Call-sign
current Flight level
climb indicator (arrow)
Ground speed
Cleared flight level
eXit flight level
Track symbols
1 - primary,
2 - secondary
3 - combined
4 - ADS-B

29.

Primary
SURVEILLANCE
3D RADAR

30.

31.

Switching and Distribution Unit
Radar Central Processor
Receiver and Processing
Groups
Synthesis and Control Group
(PCR)-Processing and Control

32.

•L-band PSR3D Active Antenna: it contains the solid-state Transmitter
modules, redundant Power Supplies, Duplexers, LNA and Control Elements.
Active Antenna Group (AAG):
It includes Antenna Group (AG), Antenna Spine Group (ASG), Pedestal Group
(PG) and AAG Electromechanical Assembly (AAG-EMA)

33.

L-band PSR3D Active
Antenna
• Planar phased array antenna
(16 linear arrays)
• Planar array of dipoles with
dual stripline feed networks
• Planar array antenna with
3D Pencil Beam Technique
• Planar array antenna with
vertical electronic scan in
elevation and mechanical
scanning in azimuth

34.

35.

36.

• range, azimuth and altitude
• 3D information for targets
• solid-state technology
• elevation coverage 40º
• Six-level weather map reporting as defined by the NWS/ICAO standard

37.

Frequency Band
1250-1350 MHz (L band)
3 pulses
1st in the frequency X,
2nd in the frequency X+3MHz
3rd in the frequency X+15.54MHz
Minimum/Maximum
Range
0.5 NM / 120 NM
Peak Power
16 kW ±10%
Architecture
Based on 16 solid-state LDMOS HPA modules
Vertical Coverage
Up to 40º
Resolution
Resolution in slant range for two targets in the same azimuth ≤ 200 m
Resolution in azimuth for two targets at the same slant range ≤ 2º