3D Radar M4 3D Air Surveillance Radar

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Additional information

This three-dimensional air surveillance radar is a tactical, long range, fighter interceptor system with active phase array antenna; early warning; and ECCM capabilities operating in S band. It is developed to meet the primary requirement of the first stage of air defense network. The tactical and mobility feature of the system as well as reducing number of operators and organizations in charge can be regarded as an end user strategy element. Air targets intelligence which is detected by different sensors such as tracking radars, medium and short range radars are transferred to a command and control shelter via a secure network and will be combined in that center.

APPLICATIONS

Burn Through: concentrating the power in the direction of the active jammer in order to increase the radar range in the direction of the active jammer
SLB: blanking the active input jamming signals from the side lobe
SLC: cancelling the active input jamming signals from the side lobe
Frequency hopping: random selection of radar operating frequency to encounter active and passive jammers
JATS: smart selection of radar operating frequency by analyzing the active jamming signals
Pulse Compression: standing against active jammers and providing the radar with capability of Low Probability of Interception (LPI)
CFAR: standing against passive jammers and determining the automatic threshold level.
Clutter Map: standing against passive jammers and cancelling the surface strong clutter
Low SLL Antenna: standing against Anti-Radiation Missile (ARM) and passive jammers
Sector Blanking (transmission switch off): turning off the transmitter in standby mode in order to hide radar from interception equipment and also keeping it safe against Anti-Radiation Missile (ARM)
Pulse Doppler Mode: standing against the passive jammers like chaff and better cancellation of volume clutter.

Specification

Parameter	Value
Operational Frequency	S band
Radar Bandwidth	400 MHz
Coverage in Elevation	0° – 25°
Coverage in Azimuth	0° – 360°
Track While Scan (TWS)	2000 targets
Radar Processing Modes	Normal, MTI, PD
Maximum Range	450 km (Instrumental Range)
Accuracy in Range	100 m
Accuracy in Azimuth	0.3°
Accuracy in Elevation	600m (@200 Km)
Resolution in Range	200 m
Resolution in Azimuth	1.4°
Resolution in Elevation	2° – 3.5°
Speed of Detectable Targets	20 m/s – Mach
Antenna Rotation Speed	3 & 6 RPM
Number of Beam	12 (Digital Beam Forming)
Antenna Specifications
Antenna Type	Slotted Waveguide Planar Array
Antenna Polarization	Linear, Horizontal
Antenna Gain	40dB
Elev. S.L.L	<-25dB
Az. S.L.L	<-35dB
Elev. BW	2° – 3.5°
Az. BW	1.4°
Detection Altitude	100 m – 28000 m
Transmitter Type	Solid State
Number of Array Lines	40
Power of each Array Line	800 W
ECCM Capabilities	Burn Through, SLC, Frequency Hopping, PRF Jitter, JATS, LSLL Antenna
Calibration and BIT	Yes
IFF	SSR/MSSR
MTTR	<30 minutes
MTBF	>800 hours
Set Up Time	30 minutes by 6 people
Recovery Time	30 minutes by 6 people
Number of Truck	3 trucks for radar system and 3 trucks for telecommunication and maintenance systems
Number of Crew	6
Non-operational Temperature	-40°C ~ +70°C
Operational Temperature	-10°C ~ +45°C indoor
Maximum Operational Altitude	3000 m from the sea surface
Tolerable Wind Speed	95% @ 30°C
Humidity	Rain 2 mm/min
Salt Fog	2 mg/m²