For example, the graph below shows precision/recall curves of radar self-calibration. Then, short periods of data are evaluated for whether they can recover the same values. Several hours of data are used to produce a reference calibration value for cross-validation. Time to correction: less than 2 minutes for radar sensor with 15HZ spinning frequency.Corrected yaw value: less than 0.1 degrees.Assumption: Vehicle performs normal driving maneuvers until calibration convergence.dwVehicleIOState: to perform radar calibration, dwCalibrationEngine has to be fed with dwVehicleIOState, with information parsed from received CAN events.Sensors: radar calibration requires data from radar and CAN sensors.Position(x/y/z): x and y are not used for now, z is less than 10 cm error.Orientation(roll/pitch/yaw): less than 10 degree error.

Observations of Explorer 1 and Sputnik 2 in 1958 allowed for an accurate determination of Earths flattening.: s saw the launch of the Doppler satellite Transit-1B and the balloon satellites Echo 1, Echo 2, and PAGEOS. Interactive maps showing radar, forecast, high and low temperatures, precipitation, satellite, and cloud cover for your local city and other parts of the world. Suffolk County, New York, introduces a motion to block migrants from entering the county. Radar yaw (top) and wheel radii / velocity speed factor estimation histograms (bottom), collected over a period of time Requirements Initialization Requirements First steps (1957-1970) Satellite geodesy began shortly after the launch of Sputnik in 1957.

Doppler radar in motion map