Drone RF detection passively listens to 2.4 and 5.8GHz control and video links, classifies signals by spectrogram or protocol, then locates the source by TDOA.
Drone RF Spectrum Detection: How Passive Sensing Finds UAVs Read More »
Flying wing and BWB airfoil design splits into classic 2D airfoils, 3D section optimization and hybrid 2D/3D methods. What each approach buys and costs.
Flying Wing Airfoil Design: A Review of Three Approaches Read More »
OIS fixes blur inside a frame, EIS aligns frames, rolling shutter warps each row. How gyro, warp mesh and optical flow actually combine in video stabilization.
Video Stabilization Explained: Gyro, EIS and Rolling Shutter Read More »
jev-drone puts a 2.5Hz judgment model inside a MuJoCo drone control loop while 50Hz code keeps the safety veto. Architecture, ablation and setup.
jev-drone: A Judgment Model Inside the Drone Control Loop Read More »
IMU mounting stress ruins accuracy more often than sensor spec. Compare SMD and structural IMU modules, and see the PCB and screw rules that keep bias stable.
IMU Mounting Stress: SMD vs Structural IMU Design Guide Read More »
FOC and BLDC ESCs differ in commutation, not marketing. Torque ripple, efficiency, sensorless limits and the cases where six-step still wins.
FOC vs BLDC ESCs: The Real Engineering Difference Read More »
ByteTrack, OC-SORT and DeepSORT compared on MOT17 accuracy, runtime FPS and edge deployment cost, with a practical decision tree for picking one.
ByteTrack vs OC-SORT vs DeepSORT: Which Tracker to Deploy Read More »
A low-altitude airspace platform cut per-message geofence checks from 30 ms to 15 us by pre-parsing geometry once and indexing it with STRtree.
STRtree Spatial Index: Drone Alerts from 30 ms to 15 us Read More »
Pair OC-SORT with a lightweight ReID pass and long occlusions stop breaking track IDs. Four pipeline stages, cosine thresholds and edge deployment tuning.
OC-SORT with ReID: A Practical Guide to Long Occlusion Read More »
Fuse the MPU6050 with an HMC5883L for drift-free yaw: ellipsoid magnetometer calibration, Mahony MARG filtering and complete STM32 C driver code.
MPU6050 + HMC5883L: 9-Axis Attitude Estimation in C Read More »
