Indian Doppler Radar

Indian Doppler Radar

The Indian Doppler Radar (INDRA) series of 2D radars were developed by India's DRDO for the Army and Air Force. The INDRA-I is a is a mobile surveillance radar for low level target detection while the INDRA-II is for ground controlled interception of targets.

INDRA-I

INDRA-I 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 Bharat Electronics Limited and inducted into service. The INDRA-I was a landmark project for the DRDO, as it was the first large radar system designed by the organization and produced in number for the defence forces.The Indian Air Force operates thirty INDRA-I's whereas the Indian Army also has several.

INDRA-II

It is a variant of INDRA radar for ground controlled interception of targets. The radar uses pulse compression for detection of low flying aircraft in heavy ground clutter with high range resolution and ECCM capabilities. The radar has been produced by Bharat Electronics Limited and is used by Indian Air Force and Army. Seven INDRA-IIs have been ordered by the Indian Air Force.

Features

*Fully coherent system
*Frequency agility
*Pulse compression
*Advanced signal processing using MTD and CFAR Techniques
*Track while scan for 2-D tracking
*Full tracking capabilities for manoeuvering targets
*Multicolour PPI Raster Scan Display, presenting both MTI and Synthetic Video
*Integral IFF
*Ease of transportation and fast deployment

System characteristics

* Range up to 90 km (for small sized fighter aircraft)
* Height coverage 35m to 3000m subject to Radar horizon
* Probability of detection : 90% (Single scan)
* Probability of false alarm: 10E-6
* Track While Scan (TWS) for 2D tracking
* Capability to handle 200 tracks
* Association of primary and secondary targets
* Automatic target data transmission to a digital modem/networking of radars
* Deployment time of about 60 minutes

Current status

Indian Doppler Radars are in in production at BEL (Bharat Electronics Limited) and are being used by the Indian Armed Forces. A few systems have been exported to Sri Lanka

Current operators

;IND
*Indian Air Force
*Indian Army

;SRI
*Sri Lankan Air Force

External links

* [http://www.drdo.com/labs/lrde/achieve.html LRDE RADARs]
* [http://www.bel-india.com/Website/StaticAsp/prod_radar2.htm BEL INDRA II]


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