Phased array radar design 360 degree view11/18/2023 ![]() The 2-D BSR data is then integrated by the Rajendra's radar vehicle. This is useful when a single battery of the Rajendra is detached from the group to fight alone, and early warning from the 3-D CAR is not available. The phased array itself has 45 degree scan limits to either side, giving a total scan coverage of 90 degrees, if the radar array is static.ĭuring Multisensor Tracking a 2-D battery surveillance radar (BSR) with 360 degree coverage and a larger detection range provides track data to the multifunction, slewable, 3-D phased array radar. This allows it to perform 360 degree surveillance. The phased array radar rotates 360 degrees on a rotating turnstile at a moderate speed. The phase shifter was designed and developed by Prof Bharati Bhat, a scientist from Centre for Applied Research in Electronics (CARE) of IIT, Delhi, and her team. This allows Rajendra radar to simultaneously track multiple aircraft and also guide multiple missiles towards these targets. Rajendra radar uses phase shifters integrated in large numbers for electronic beam steering. Rajendra features a Dual channel radar receiver and a C band transmitter, although the complete transmitting and receiving features and bands are unknown. The RDP supplies track data to remote group control centre. Rajendra controls the beam positioning sequence through beam requests for each track at adaptive data rates and performs multifunctional roles like search –confirm –track -interrogate targets, assign and lock on launchers, and launch/acquire/ track/guide missiles. A powerful high-end computer computes phases for all the elements of the array. The Radar consists of a surveillance antenna array with 4000 phase control modules (PCM's) operating in the G/H-Band (4-8 GHz), engagement antenna array with 1000 PCM's operating in the I/J-Band (8-20 GHz), a 16-element IFF array and steering units. Rajendra's multi-element antenna arrangement folds flat when the vehicle is in motion. ![]() Initially designed as a standalone system, Rajendra is now equipped with the ability to integrate with a network of sensors, including long and medium-range surveillance radars of foreign and domestic origin. It makes use of a passive phased array to search a volume of space, distinguish between hostile and friendly targets, automatically track up to 64 targets and command one of several launchers to engage up to 4 targets simultaneously. Rajendra is a slewable passive phased array radar used for 3-D target detection, multi target tracking and multiple missile guidance under extreme hostile EW environment. It is mainly used to track enemy's installations. It is a ground surveillance radar and is a great source of surveillance operating at frequency around 20 GHz. It is a multifunction radar, capable of surveillance, tracking and engaging low radar cross section targets. Rajendra ( Lord of Kings) is a passive electronically scanned array radar developed by the Defence Research and Development Organisation (DRDO). Rajendra Troop Level Radar during Republic Day, 2019.Įlectronics and Radar Development EstablishmentĤ km (2.5 mi) to 150 km (93 mi) for 2m² target
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