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Counter-Drone System
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- Context (TH): The Defence Research and Development Organisation (DRDO) has developed a counter-drone system and it is ready for production.
- A counter-drone system detects, identifies, and neutralises drones or unmanned aerial vehicles (UAV).
- The technology is capable of countering attacks, soft kill and hard kill of all types of drones.
- It can be customised for different challenges.
High-end drones by DRDO
1) Tapas Medium Altitude Long Endurance (MALE) UAV
- It is developed for Intelligence, Surveillance, Target Acquisition, and Reconnaissance (ISTAR) applications.
TAPAS-BH (Tactical Airborne Platform for Aerial Surveillance-Beyond Horizon)
- It is a MALE UAV operating at an altitude of 30,000 feet.
- It has an endurance of 24 hours and covers a range of 250 kilometres.
- The system integrates advanced military-grade Electro-Optical (EO) and Synthetic Aperture Radar (SAR) payloads, enhancing its surveillance capabilities.
EO Payloads
SAR Payloads
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2) The Archer
- The Archer is a short-range weaponised unmanned aerial vehicle (SR-UAV) created by India’s Aeronautical Development Establishment (ADE).
- The Archer-NG (Next-Generation) armed drone possesses a commanding range of up to 250 kilometres Line of Sight (LOS) and extends up to 1,000 kilometres through SATCOM (Satellite Communication) Beyond Line of Sight (BLOS) communication.
- It offers options for both conventional and automatic take-off and landing.
- It can operate at altitudes of up to 30,000 feet.
Concerns with the technology
- The unavailability of drone batteries in the country.
- The older drones used nickel-cadmium and silver-zinc batteries as secondary power sources.
Nickel-Cadmium (NiCd) vs. Silver-Zinc (AgZn) Batteries
Weight
- Silver-zinc batteries are lighter, weighing one-third to one-fifth the weight of NiCd batteries.
- Despite the weight difference, they provide similar energy output.
Energy
- Silver-zinc batteries offer more energy than nickel-cadmium batteries of the same weight.
Life Cycle
- Nickel-cadmium batteries have a longer life cycle compared to silver-zinc batteries.
- However, silver-zinc batteries have lower terminal voltage despite their shorter life cycle.
DRDO
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