Perfsol engineering bloghttps://www.perfsol-software.com/blog/Engineering notes from Perfsol on drone detection, uncrewed systems, on-board AI, self-hosted video and keeping mission-critical systems running.en-gbThu, 12 Nov 2026 00:00:00 GMTAcoustic drone detection: how it works, where it fits and how to deploy ithttps://www.perfsol-software.com/blog/acoustic-drone-detection/https://www.perfsol-software.com/blog/acoustic-drone-detection/Thu, 12 Nov 2026 00:00:00 GMTPerfsol engineering teamAcoustic drone detection explained: how sensors hear drones with no radio link, how far they reach, their limits and how to deploy a sensor network.What Europe's critical sites can learn from Ukraine's counter-drone experiencehttps://www.perfsol-software.com/blog/counter-drone-lessons-ukraine-europe/https://www.perfsol-software.com/blog/counter-drone-lessons-ukraine-europe/Thu, 12 Nov 2026 00:00:00 GMTPerfsol engineering teamOne night in November 2026 Ukraine faced 163 drones. Four counter-drone lessons for European airports, energy sites, ports and drone builders.Fibre-optic drones: why jamming does not stop them and how to detect themhttps://www.perfsol-software.com/blog/fiber-optic-drones/https://www.perfsol-software.com/blog/fiber-optic-drones/Thu, 12 Nov 2026 00:00:00 GMTPerfsol engineering teamFiber optic drones fly on a glass fibre, not radio, so jamming and RF detectors miss them. How they work, their limits and how critical sites detect them.Safety electronics for interceptor drones: arming, disarming and safe recoveryhttps://www.perfsol-software.com/blog/interceptor-drone-safety-electronics/https://www.perfsol-software.com/blog/interceptor-drone-safety-electronics/Thu, 12 Nov 2026 00:00:00 GMTPerfsol engineering teamHow an initiation board keeps an interceptor drone's payload safe in storage, flight and recovery, and what buyers should ask of one.