Product Category : Radar And Assembly
Bharat Electronics offer L Band surveillance radar RAWL02MK-3. The product L Band surveillance radar RAWL02MK-3 is long range L band surveillance radar for detection of air and surface targets. L Band surveillance radar RAWL02MK-3 is for early warning, air surveillance, L-band, coherent pulse compression radar. L Band surveillance radar RAWL02MK-3 is enabled with an Antenna with stabilized platform and TWT based transmitter. The salient features of the L Band surveillance radar RAWL02MK-3:
Pulse compression and FF chain for air and surface surveillance respectively
Better Clutter suppression
High ECM resistance
High availability and easy maintainability
VEX/Track processor provides target track data of air and surface targets.
Radar can provide upto 160 tracks to the C&C system
Radar instrumentation range is 270 Kms.
Technical Specifications
ANTENNA
Frequency Band D band 1200 - 1400 MHz
Reflector Double Curved [Parabolic]
Platform Stabilised Platform -- Hydraulic driven
[a] Stab accuracy: ± 0.5°
[b] Stab limit:
[1] ± 29° [Roll]
[2] ± 10° [Pitch] not simultaneously
Antenna Gain 30 dB
Horizontal Beam Width 2.2°
Vertical coverage Cosecant square upto 40°
Polarisation Horizontal / Circular
Side Lobe Level First - 26 dB
Average - 35 dB
Rotation Speed 7.5 / 15 Rpm
Power Supply 440 V / 60 Hz / 3 phase
Antenna Weight 3.1 tonnes with stabilised platform
TRANSMITTER:
Type TWT based
Frequency Band 1200-1400 MHz 6 Preset Frequencies
PRF 500 Hz /1000 Hz ±10 %
Pulse length 34 µsec [OR] 66 µsec Freq Swept Pulse followed by 1 µsec fixed freq pulse
Frequency agility Psuedo freq. Agility mode Freq agility mode [pulse to pulse]
Peak Power 150 KW [TWT Output] Mean Power - 5 KW
Sector Transmission Available
External Synchronisation Not Possible
RECEIVER:
IF PC - 30 MHz ; non PC ? 45 MHz
Pulse Width 0.6 µSec [Compressed]
Noise Figure <4.5 dB
MTI Improvement Factor 36 dB
Videos PC MTI Video for air
PC Lin Video targets
Lin/Log - Fixed Freq for surface targets.
Range Coverage Predicted range
220 Kmts for RCS = 1 Mt ² ; SW = 1 ; Pd = 50%
At Prf = 500Hz ; Rpm = 7.5 257 Kmts for RCS = 2 Mt ² ; SW = 1 ; Pd = 50% at Prf = 500Hz ; Rpm = 7.5 218 Kmts for RCS = 2 Mt ² ; SW = 1 ; Pd = 50% at Prf = 1000Hz ; Rpm = 15
Minimum range 0.6 Nm
VIDEO EXTRACTOR:
No.Of Tracks [maximum] 100 air + 60 Surface tracks
Instrumented range [maximum] 270 Kms
Target handling[max speed for air track] Mach 4
Target handling [max speed for surf track] 100 knots
Environmental Data:
Temperature
A] During normal operation 0°C to 70° C b] During storage and transport -30° C to + 85° c
Relative Humidity 95%
Corrosion Materials used are treated / protected against corrosion
Interfaces The system can be interfaced with various systems viz., Displays I, II , III, RAWS-03, EMCCA, ESM ,MISU,VDU
ECCM Features Burst to burst or pulse to pulse
Freq. Agility staggered PRF status
Frequency Selection over a wide Bandwidth
Power Requirement
Stabilized antenna system 380/440 V, 50 Hz, 3 Ph - 3 KVA average [7.5 rpm] 7.5KVA [15 rpm and max. Wind load]
Transmitter Cabinet 115 V, 50 Hz, 1 ph. - 0.5 KVA anti-condensation heating 440 V, 50 Hz, 3 ph - 28 KVA
Receiver Cabinet 115 V, 50 Hz, 1 ph.- 0.15 KVA anti-condensation heating 115 V, 50 Hz, 3 ph.-1.5 KVA
115 V, 400 Hz, 1 ph. - 0.15 KVA
Cooling cabinet 440 V, 50 Hz, 3 ph. - 5 KVA
Hydraulic power unit 115 V, 50 Hz, 1 ph. -0.2 KVA anti- condensation heating
380/440 V, 602 Hz, 3 ph.- 8.5 KVA average [normal conditions]
22.5KVA maximum [extreme cold / stormy conditions]115 V, 50 Hz, 3 ph.- 0.6 KVA
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