摘要:
This invention relates to an improvement in the art of position determination and in particular to the art of mapping, surveying, station keeping, and the like, employing moving craft and measuring quantities linearly related to the simultaneous variations of the simultaneous distances between the moving craft and a plurality of fixed or mobile station points.
摘要:
This invention relates to an improvement in the art of navigating, detecting and tracking moving objects, position finding, mapping and such subjects employing a plurality of stations and variational measurements.