To deterministically validate Spotter motion sensing capabilities we use a purpose-built motion teststand, which provides extremely accurate positioning control. The control software can simulate any type of motions, limited only by the physical dimensions (6' by 6') and mechanical limitations (motor power, belt strength etc) of the stand. This motion-controlled validation stand provides a great platform for detailed testing of sensor capabilities. Note that although the results shown here are representative of our validation efforts, for any measurement device that relies in full or in part on GPS (such as Spotter), data results may vary depending on e.g. satellite constellation, multipath effects, view obstructions, and possibly atmospheric conditions.
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