Even at sea, GPS signals are increasingly at risk of being disrupted by electronic warfare measures. To combat the problem, the Navy is upgrading its inertial gyrocompass navigation system for surface ...
Researchers discuss “large ring laser gyroscopes” that are six orders of magnitude more sensitive than gyroscopes commercially available. Accurately sensing rotation is important to a variety of ...
CHARLES DRAPER, WHOSE EPONYMOUS LABORATORY developed the guidance systems for Apollo spacecraft, referred to inertial navigation as “astronomy in a closet.” It is based on a celestial reference system ...
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