Calculates harmonization angles via ellipse fitting to compensate for coordinate misalignment and reduce ground calibration time.
A position determination device uses magnetic fingerprinting circuitry to compare sensor data against a magnetic map for location estimation.
An inertial device detects vertical acceleration turning points to calculate horizontal velocity and estimate movement direction.
A hierarchical data model manages building resources through role-based access control, resolving time lost locating dispersed assets.
A moving-base RTK system determines relative position vectors between mobile objects, resolving stationary base limitations in dynamic environments.
A processing device converts geodetic coordinates into Cartesian spaces to generate a georeferenced building plan from reference imagery.
A computer system retrieves and processes aircraft movement data from multiple databases to calculate derived flight times.
A GNSS receiver generates a three-dimensional shading map to classify satellite signals and determine location.
An underwater sensor network extracts induced magnetic signals to estimate object positions, resolving accuracy losses from acoustic propagation variations.
Navigation system switches from outdoor GPS to indoor mapping data upon detecting location changes.
A target state estimation device uses a Kalman filter process to predict and smooth target states from bearing measurements.
A navigation assistance device directs a visible pointer toward a target location using position and orientation sensors.
A control unit predicts ground distance ahead of a vehicle to detect soft soil segments before entry.
A user equipment tracks location using a first positioning scheme and switches to a second scheme upon entering an enclosed environment transition region.
A smart moving device adjusts its navigation calculation function based on real-time collision data to maintain safe movement paths.
A wayfinding system synchronizes route data between mobile devices and public displays for continuous navigation.
Autonomous trajectory calculation balances air traffic separation requirements with aircraft fuel consumption limits.
A magnetic sensor detects anomaly patterns to infer mobile device transitions across indoor thresholds.
An integrated positioning apparatus classifies sensed data into hierarchical accuracy levels to estimate user location rapidly.
A positioning system corrects real-time location data using a calibrated reference trajectory derived from GPS and INS sensors.
Camera-based trailer backup assist system detects hitch angle to prevent jackknife conditions during curved path maneuvers.
A trajectory prediction method uses an interaction model to determine dynamic features and predict future paths of traffic participants.
A keypoint model selects and updates features from monocular images to build 3D maps.
Interpolating flight track points fills ADS-B data gaps, enabling accurate contaminant exposure estimation.
A server generates a trusted-GPS positioning map from crowdsourced fingerprint and GPS data to localize mobile devices indoors.
Aircraft navigation system modifies vertical flight profiles using multi-sensor data fusion to maintain safe 3D corridors.
Magnetometer and gyro readings compare changes against predetermined thresholds to identify erroneous measurements.
Computing a tangent-normal-binormal reference frame from acceleration data enables real-time direction estimation without latency or magnetometer dependency.
Navigation filter estimates gyroscope bias via temperature data and linear extrapolation, correcting MEMS drift during GNSS outages.
A route planning method defines an escape edge and processes the headland before the inner area to guide a harvesting machine.
A receiver combines dual spherical cavity antenna signals based on signal-to-noise ratios to reduce multi-path interference.
Categorizes heterogeneous navigation measurements into clusters for integrity monitoring.
Kalman filter estimates altitude and descent rate to trigger automatic mode transitions, reducing military parachutist workload during critical jump events.
A shopping cart scale paired with a motion sensor detects movement to enable accurate product weighing only when the cart is stationary.