drdo's achievements just in radar systems
Indian Doppler Radar (INDRA-I): INDRA is a 2D mobile surveillance radar for low level target detection. The radar is housed in two wheeled vehicles. Some of the main features are automated Track While Scan (TWS), integrated IFF and high scan rate for high speed target detection. The radar is produced by M/s BEL and inducted into Service.
INDRA - II PC Radar Indra-II PC Radar:It is a variant of INDRA radar for ground controlled interception of targets for the Indian Air Force. The radar uses pulse compression for detection of low flying aircrafts in heavy ground clutter with high range resolution. Radar has good ECCM capabilities. The radar has been produced by M/s BEL and is used by Indian Air Force and Army.
Rajendra Radar: Rajendra, multifunction phased array radar, is the primary sensor at battery level for Akash SAM system - an air defence system for the Indian Army as part of Integrated Guided Missile Development Programme (IGMDP). The radar has the capability to perform extensive search, track multiple targets and missiles, and to command and guide own multiple missile concurrently. The radar system, mounted on two tracked vehicles – Battery Level Radar (BLR) and Battery Control Center (BCC), is to tactical forces for all types of operations with matching mobility.
The radar has the flexibility to work in Group or Autonomous mode, and it has UHF communication facility to support Group mode of operation.
3 Dimensional Central Acquisition Radar 3-Dimensional Central Acquisition Radar (3D-CAR): to tactical forces for all types of operations with matching mobility.This is a medium range surveillance radar for Akash at Group level, with high mobility and excellent high and low level coverage. The radar provides range, azimuth and height information of the targets, enabling better designation of targets for follow up actions. This radar is designed to function in multiple roles with potential to meet the surveillance needs of all the three Services. The radar is packaged in a KOLOS TATRA two-vehicle configuration with a vehicle carrying diesel generator sets.
The vehicle housing the antenna and most of the sensor subsystems is called the Radar Sensor Vehicle (RSV). The second vehicle called the Data Center Vehicle (DCV) houses the radar consoles, data processor unit and communication unit. Variants of the radar have been developed for Army Air Defence, Air Force and Navy for air space surveillance applications.
Battle Field Surveillance Radar – Short Range (BFSR-SR): is a man portable, battery operated Surveillance Radar. The system has capability to detect, track and classify variety of moving ground surface targets. BFSR-SR is a reliable sensor for all weather, and day and night operation. The radar can be carried in three man-packs.The radar is a simple, easy to use and user friendly surveillance e-sensor, in that an Infantry soldier can install and effectively put the radar into operation within five minutes. It has been built to be a reliable surveillance and tracking radar to search a specific sector to detect and perform track while scan for multiple targets like crawling man, single / group of walking light / heavy vehicle.
Men and Audio and visual aids help identify and classify a target decisively. The radar has a facility to operate from a distance of more than 100 meters, using field cable to help a soldier to operate the radar from the safety of bunkers or trenches, and deploy the radar at a suitable spot to meet technical and tactical requirements.
BFSR-SR has built-in networking facility, which offers significant wide area surveillance with integrated surveillance picture available centrally at an identified location. All radars can be controlled from the central location. BFSR-SR with co-mounted IR sensor for enhanced target information is also available. The radar has been productionised by M/s BEL and inducted into Army.
Super Vision Maritime Patrol Radar (SV-2000 MPAR): This Radar is designed and developed for Advanced Light Helicopter (ALH) and has capability to detect and track airborne targets, sea surface targets like boats, ships and frigates and sea skimmer missiles under sea clutter. The radar is suited for other platforms such as KAMOV helicopter Dornier aircraft. ISAR feature is available for classification of sea surface targets.
Weapon Locating Radar (WLR):: WLR is a coherent, electronically scanned C-Band pulse doppler radar. The radar automatically locates hostile artillery, mortars and rocket launchers and tracks friendly fire to locate the impact point of friendly artillery fire to issue necessary corrections. The radar is designed to detect projectiles with small cross section across the battle space horizon, and has the capability to handle simultaneous fire from weapons deployed at multiple locations. The fence concept of placing beam grazing the covered air space makes it impregnable for hostile projectiles without detection. The radar helps neutralize hostile guns in the tactical battle space and helps own guns to bring down effective shelling on designated targets. The radar is developed for Indian Army to substitute the imported system and it will be force multiplier for Artillery
3D Medium Range Surveillance Radar : Rohini: is a ground based mechanically scanning S-Band pulse Doppler radar for air space surveillance to detect and track air targets with reliability, even under hostile EW operational environment for the Indian Air Force. The radar scans the air space 360° in Azimuth and 30° in elevation upto 18 km height. The flexible architecture is a reliable and adaptable technology for multiple applications early warning for air defence weapon system, air defence sensor at airbases. The radar has advanced technologies like digital receiver, programmable signal processor providing high resolution, accuracy, response and information availability. The software controlled high-speed digital technologies offer real time configuration to the operational crew.
The advanced software algorithms, multiple high speed processors, and state-of-the-art digital technologies have made the radar an effective but user friendly sensor providing 24 x 7 airspace awareness to the Commanders during peace and war time. The radar is packaged on two high mobility TATRA vehicles to meet operational and battlefield mobility requirements. 2 x 125 kVA generators are housed on a third TATRA vehicle. The radar, which is easy to operate, mobile, transportable by air, rail and road, can be deployed and decamped in less than 30 minutes
3D Surveillance Radar System : Revathi:The scope of the radar is: Medium Range 3D air surveillance for interception, 3D Target tracking and indication, and sea surface surveillance as primary sensor. The radar is based on state-of-the-art technology. The radar has been realised using concurrent Engineering approach with industry partners: M/s BEL and M/s L&T.
3D Tactical Control Radar (3D TCR):: is a Tatra VVL mounted, mobile stand-alone medium range, all weather 3D surveillance Radar for detection and identification of aerial targets. Pertinent data can be collected at Target Data Receiver (TDR), 20 Kms away from the Radar. The radar operates in S-band and is capable of Track-While-Scan (TWS) of airborne targets up to 90kms for fighter aircrafts and 65 Kms for UAVs, subject to radar horizon. The antenna is mechanically rotated in azimuth to provide 360° and 50° elevation coverage upto 10 Kms height.
Low level Light Weight 2D Radar - BHARANI:: is a light weight, battery powered and compact sensor which provides 2D surveillance solution to alert Army Air Defence Weapon Systems mainly in mountainous terrain against hostile aerial targets like UAVs, RPVs, helicopters and fixed wing aircraft flying at low and medium altitudes. The radar can be transported by vehicles, animal transport or group of men or as helislung loads. It can be dismantled into packages to facilitate quick installation and re-location in mountainous terrain. It will act as an early warner to air defence weapon systems employed to provide protection to vulnerable areas or vulnerable points.
The system consists of radar, Commander Display Unit (CDU) and messaging unit Target Designation Unit (TDU) and Target Data Receivers (TDR). One radar can service upto 10 TDRs using existing combat radio resources/ network. The CDU can be located upto 750m from the radar. The radar with modular architecture, advanced ECCM features, ruggedness as per Mil standards can be operated in varied conditions including extreme climatic and geographical conditions and in battle field situations, especially offensive EW environment. The radar detects and tracks short range air-to-ground threats with a high probability of detection. The radar has an integrated IFF that can detect, confirm, classify and attain IFF status on every target in the battle space under surveillance.
Low level Light Weight 3D Radar - ASLESHA: ASLESHA is a multifaceted ground based S-Band 3D Low Level Light Weight Surveillance Radar for deployment in diverse terrains like plains, deserts, mountain tops and high altitude regions. Aslesha detects and tracks heterogeneous air targets, including helicopters, fighters and UAVs at low and medium altitudes. The radar can scan the valley. It provides accurate range, azimuth and height information for each target with electronically steerable multi-beam technology in elevation. The radar sweeps 360° in azimuth and 30° in elevation to provide air space awareness. Semi-distributed active aperture radar uses advanced VLSI and high-speed digital technologies like high efficiency T/R modules, DDS, digital receiver and programmable signal processor to provide 3D air space awareness with high accuracy, resolution and reliability.
As all the main radar subsystems are on the rotating platform, this radar architecture obviates the two most common single point failures by dispensing with high power rotary joints and central transmitter; thereby making the radar system extremely reliable. The radar is easily re-locatable and can be deployed or decamped in less than 15 minutes. The radar is engineered in multiple packages to enable easy transportability in mountainous terrain by vehicles, group of men, or as an under slung carriage by a helicopter. The remote operation of the radar through Commander's Display Unit (CDU) upto 1 km from the radar provides safety to the crew during operation. The facility also enables the Commander to deploy the radar at a tactically favorable point. The quadripod-mounted radar is built to operate in networked or stand-alone mode to support joint or independent operations by Air Force. Multi ECCM features help the radar to deliver intended performance even under intense hostile EM environment. Aslesha being compact, light weight and modular, can be used in different innovative roles like air space surveillance in urban areas for VVIPs, large critical installations.
Avalanche Victim Detector (AVD): It is a life saving device for use by soldiers operating in the snow-bound avalanche prone areas to detect victims buried under an avalanche debris. AVD is a transmitter-cum-direction finding receiver with a built in directional antenna. The equipment consists of fully surface mounted device electronic circuitry enclosed in a sealed light-weight container of glass filled nylon. The system has been manufactured by private industry in large numbers and is being used effectively by Services.
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