Sentence examples for surface navigation from inspiring English sources

Jo Ann Citron Cambridge, Mass., Oct. 17, 2007 • To the Editor: The surface navigation compass is a good idea in theory, but it has practical limitations.

"We can power all of Suffolk County with 35,000 to 50,000 turbines at the bottom of Plum Gut," he said, adding that they would pose no threat to surface navigation.

The surface navigation system in [4, 5], assumed that an accurate sea chart is available.

Each anatomical surface of interest constitutes a two-dimensional manifold M embedded in three-dimensional space R 3 and the aim is to identify a breast boundary curve b which lies within M. The issue of surface navigation therefore immediately arises, as it is necessary to remain on the manifold M while constructing an estimate of b.

Laboratory rats (Rattus norvegicus) use the geometry of surfaces for navigation and can remember a number of locations in space by their relations to surrounding landmarks; while navigating, rats attach greater priority to landmarks than, for example, the smell of food pellets, or the scent left on the arms of the maze [ 4].

From an analysis of pictures the spacecraft took as it was descending to the surface, scientists and navigation engineers determined that Spirit landed close to the center of its target, an ellipse about 42 miles long and 3 miles wide.

In order to reflect information of the surface in the navigation algorithm, a Digital Elevation Model of the simulated lunar surface has been considered.

With an increasing demand throughout industry for autonomous vehicles with more intelligent decision-making features, the issue of Unmanned Surface Vehicle (USV) navigation is addressed with respect to automatic obstacle avoidance.

To overcome the horizontal position estimation problem in the Mars powered descent phase, the inertial measurement unit, Doppler radar and surface beacon integrated navigation scheme is proposed, and a conventional filter such as an extended or unscented Kalman filter is adopted.

Iraq has reportedly purchased components for surface-to-surface missiles, fighter aircraft navigation systems and antiaircraft missiles, and possibly biological weapons.

We have presented a new approach to robust navigation for surface vessels based on radar measurements only.