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Dead Reckoning Module | |
Electronic dead reckoning is a proven methodology for providing supplemental position information in navigation systems.
DRM™4000 Dead Reckoning Module
The DRM™ 4000 Dead Reckoning Module provides accurate position information for first responders and other people on foot in places that the global positioning system (GPS) is unable to reach. The small, easy-to-integrate unit contains ten sensors including three gyros, accelerometers and magnetometers as well a barometric altimeter to accurately deliver position location. The DRM™4000 uses patented motion classification algorithms to analyze walking motion and compensate for unique user kinematics. The DRM™4000 contains an internal Kalman filter for integrating onboard sensors and external GPS data. It nominally provides position data that is accurate to within 2% of the actual distance traveled by a user in environments without GPS. The unit can be directly interfaced to many GPS receivers and man-pack computers and includes capabilities for accurate field calibration. |
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