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Welles drone-mounted particle-velocity acoustic

Welles Acoustics (Quantum Systems) · Germany

Polish particle-velocity acoustic specialist (similar tech class to Microflown). Acquired by Quantum Systems (Bavaria-based ISR-drone maker) in February 2025. Now integrated onto Quantum's ISR drone platform for airborne acoustic detection and artillery ranging — a different deployment vector than ground-based arrays.

CountryGermany
SubcategoryPassive acoustic
PriceNo info · bundled into Quantum drones
SubtypeAcoustic sensor
Form factorAirborne (drone-mounted)
SWaPAcoustic Pointer UAV payload <150 g; AVS ~200 g; low power
Sensor modalityAirborne acoustic particle velocity
TypeParticle velocity
Notable partnersWholly owned subsidiary of Quantum Systems (German UAS OEM; Welles is Polish); integrated onto Quantum ISR drones for airborne artillery ranging
MountingAirborne
Output dataBearing/AoA, Classification
Array configThree orthogonal Microflown particle-velocity sensors co-located (acoustic vector sensor)
DoA accuracy0.25-2 deg (bearing & elevation)
Active/PassivePassive
Localisation modeBearing + elevation
Detection range (km)7
Noise tolerance / SNRBroadband; operates on noisy UAV platforms and urban multi-source; to 100% humidity
All-weather / day-nightAll-weather, day & night
Signature library / classificationDetects/classifies/localises small-arms fire, RAM, drones, heavy vehicles
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Review-stage catalogue data — specs corroborated from manufacturer and secondary sources; not for procurement decisions. Source: quantum-systems.com