https://aerodyne-ai.com/blog/ Technical perspectives on counter-UAS: passive sensing, distributed fusion, swarm autonomy, threat analysis, and policy — from the open literature. en-us https://aerodyne-ai.com/blog/emitter-geolocation-finding-the-operator.html https://aerodyne-ai.com/blog/emitter-geolocation-finding-the-operator.html 21 Sep 2026 09:00:00 -0500 Passive Sensing & Detection Whenever a radio link exists, it points home in both directions. AOA, TDOA, and FDOA against the ground emitter — the textbook techniques, the practical hard parts, and why the threat evolved to stop emitting. https://aerodyne-ai.com/blog/magazine-depth-decisive-metric.html https://aerodyne-ai.com/blog/magazine-depth-decisive-metric.html 21 Sep 2026 09:00:00 -0500 Threat Analysis D = M/λk: stock, engagement rate, expenditure per kill — and the sustainability inequality that moves the contest to the factory floor. From the V-1 to the Red Sea, with five ways to deepen a magazine. https://aerodyne-ai.com/blog/us-legal-framework-civilian-drone-detection.html https://aerodyne-ai.com/blog/us-legal-framework-civilian-drone-detection.html 21 Sep 2026 09:00:00 -0500 Programs & Policy How a sensor detects determines whether it is lawful: the 2020 interagency advisory, the Wiretap Act's reach, why acoustic–radar–optical sensing carries the cleanest posture, and why private mitigation is closed. https://aerodyne-ai.com/blog/decoy-discrimination-pricing-problem.html https://aerodyne-ai.com/blog/decoy-discrimination-pricing-problem.html 21 Sep 2026 09:00:00 -0500 Autonomy & Swarm Coordination A decoy weaponizes the defender's own decision rule. The engagement threshold p·V > C, signaling games and bluffing, sensors as repricing instruments, and why response ladders beat classifiers alone. https://aerodyne-ai.com/blog/mean-field-methods-large-swarms.html https://aerodyne-ai.com/blog/mean-field-methods-large-swarms.html 21 Sep 2026 09:00:00 -0500 Autonomy & Swarm Coordination Joint planning grows exponentially with fleet size. The mean-field escape — plan over the density, not the individuals — from Lasry–Lions to mean-field RL, and where the approximation honestly ends. https://aerodyne-ai.com/blog/one-way-attack-drone-family-tree.html https://aerodyne-ai.com/blog/one-way-attack-drone-family-tree.html 21 Sep 2026 09:00:00 -0500 Threat Analysis Shahed is a lineage, not an aircraft: jet variants, Gerbera decoys, hardened navigation, operator-in-the-loop retargeting — each branch answering the defender's cheapest countermeasure first. https://aerodyne-ai.com/blog/byzantine-resilience-compromised-networks.html https://aerodyne-ai.com/blog/byzantine-resilience-compromised-networks.html 21 Sep 2026 09:00:00 -0500 Fusion & Distributed Intelligence Assume some nodes will lie. Forty years of theory — from the Byzantine generals to robust federated aggregation — on how a collective computation survives capture, and what redundancy it costs. https://aerodyne-ai.com/blog/latency-budgets-engagement-chains.html https://aerodyne-ai.com/blog/latency-budgets-engagement-chains.html 21 Sep 2026 09:00:00 -0500 Fusion & Distributed Intelligence A threat at 100 m/s converts every 100 ms of pipeline into 10 meters. What two decades of low-latency trading engineering teach about budgets, tail latency, and surviving load spikes built as weapons. https://aerodyne-ai.com/blog/delegated-autonomy-bounding-behavior.html https://aerodyne-ai.com/blog/delegated-autonomy-bounding-behavior.html 21 Sep 2026 09:00:00 -0500 Autonomy & Swarm Coordination Comms loss is a schedule, not a contingency. The delegation envelope — nested permissions, plan-centrally-execute-alone, conservative defaults, and DoD Directive 3000.09 read as an engineering spec. https://aerodyne-ai.com/blog/how-sbir-sttr-transitions-technology.html https://aerodyne-ai.com/blog/how-sbir-sttr-transitions-technology.html 21 Sep 2026 09:00:00 -0500 Programs & Policy The set-aside, the three phases, Direct to Phase II, the 20-year data-rights clock, and the sole-source Phase III lane — the machinery that turns feasibility studies into procurable products. https://aerodyne-ai.com/blog/ndaa-compliance-and-blue-uas.html https://aerodyne-ai.com/blog/ndaa-compliance-and-blue-uas.html 21 Sep 2026 09:00:00 -0500 Programs & Policy From FY2020 NDAA §848 and the American Security Drone Act to the DIU Blue UAS lists: what the rules prohibit, component by component, and why supply-chain origin is a day-one design decision. https://aerodyne-ai.com/blog/allied-co-development-mechanisms.html https://aerodyne-ai.com/blog/allied-co-development-mechanisms.html 21 Sep 2026 09:00:00 -0500 Programs & Policy DIANA accelerates, the NATO Innovation Fund invests, UNITE — Brave NATO contracts joint Ukrainian-allied teams — the standing machinery for cross-border defense innovation, and how to read it as a company. https://aerodyne-ai.com/blog/data-association-dense-raids.html https://aerodyne-ai.com/blog/data-association-dense-raids.html 21 Sep 2026 09:00:00 -0500 Fusion & Distributed Intelligence Before a tracker can track, it must decide which detection belongs to which aircraft. The three classical answers — decide hard, hedge, or defer — and what each costs when the raid gets dense. https://aerodyne-ai.com/blog/covariance-intersection-honest-uncertainty.html https://aerodyne-ai.com/blog/covariance-intersection-honest-uncertainty.html 21 Sep 2026 09:00:00 -0500 Fusion & Distributed Intelligence Fuse two correlated estimates the textbook way and your network becomes confidently wrong. The fusion rule that guarantees honesty under unknown correlations — and what it costs. https://aerodyne-ai.com/blog/fiber-optic-fpv-layer-by-layer.html https://aerodyne-ai.com/blog/fiber-optic-fpv-layer-by-layer.html 21 Sep 2026 09:00:00 -0500 Threat Analysis A spool of glass made RF detection, jamming, and operator-hunting irrelevant for one threat class. The honest ledger of what it defeats, what physics still collects, and the systems lesson. https://aerodyne-ai.com/blog/multilateration-fundamentals.html https://aerodyne-ai.com/blog/multilateration-fundamentals.html 21 Sep 2026 09:00:00 -0500 Passive Sensing & Detection How networks of silent sensors turn hyperbolas, bearings, and clock discipline into positions and tracks — and why geometry (GDOP) is half the accuracy budget. https://aerodyne-ai.com/blog/illuminators-of-opportunity-passive-radar.html https://aerodyne-ai.com/blog/illuminators-of-opportunity-passive-radar.html 21 Sep 2026 09:00:00 -0500 Passive Sensing & Detection Radar without a transmitter: how FM and TV broadcasts become detection systems, why coverage follows the ovals of Cassini, and where the geometry itself writes blind spots into the map. https://aerodyne-ai.com/blog/acoustic-signatures-of-small-aircraft.html https://aerodyne-ai.com/blog/acoustic-signatures-of-small-aircraft.html 21 Sep 2026 09:00:00 -0500 Passive Sensing & Detection Piston, turbojet, and electric propulsion each write a distinct fingerprint into the frequency domain. What the aeroacoustics literature says about detecting — and classifying — aircraft by sound alone. https://aerodyne-ai.com/blog/detecting-non-emitting-drones.html https://aerodyne-ai.com/blog/detecting-non-emitting-drones.html 21 Sep 2026 09:00:00 -0500 Passive Sensing & Detection Fiber-optic FPVs and pre-programmed one-way attack drones defeat RF-scanning detection. A survey of what the open literature says about acoustic, passive-radar, and multi-modal alternatives. https://aerodyne-ai.com/blog/track-fusion-bandwidth-constrained-networks.html https://aerodyne-ai.com/blog/track-fusion-bandwidth-constrained-networks.html 21 Sep 2026 09:00:00 -0500 Fusion & Distributed Intelligence Centralized fusion is optimal and fragile. What the distributed-estimation and federated-learning literature says about building sensor networks that degrade instead of collapsing. https://aerodyne-ai.com/blog/swarm-on-swarm-assignment-problem.html https://aerodyne-ai.com/blog/swarm-on-swarm-assignment-problem.html 21 Sep 2026 09:00:00 -0500 Autonomy & Swarm Coordination From the Hungarian algorithm to consensus-based auctions and Dec-POMDPs: sixty years of operations research on who should engage what — and why leakers are a mathematical outcome. https://aerodyne-ai.com/blog/economics-of-saturation.html https://aerodyne-ai.com/blog/economics-of-saturation.html 21 Sep 2026 09:00:00 -0500 Threat Analysis When the munition costs a fraction of the interceptor, every intercept can be a losing trade. What the public record of drone-industrial warfare implies for defense architecture.