Imaging radar system that simulates the use of a long physical antenna by collecting multiple returns from each target as the actual antenna moves along the track.

Relation between or among terms in a given language representing the same concept.

Symbology, in the context of Cartographic design, is the use of graphical techniques to represent geographic information on a map. Map symbols for geographic features include Visual variables such as color, size, and shape.

Portrayal primitive that can be graphic, audible, or tactile in nature, or a combination of these.

Type of SONAR that has several single beam transducer/receivers mounted on a boom, which is then operated parallel to the water’s surface and orthogonal to the vessel’s direction of travel.

Sensed data resulting from a single flightline of collection.

[surveying] A position where surveys are performed from. During land surveys, survey stations make accurate measurements on the ground from these positions.

2-dimensional geometric primitive, locally representing a continuous image of a region of a plane.

Organization or person that provides a product.

Capable of enforcing the requirements of a system.

[map projection] SQL is a set of commands used to manage data stored in relational database management systems (RDBMS).

Electromagnetic radiation that has been detected but did not come directly from the IFOV.

[map projection] A stereographic projection is a mapping function that projects an entire sphere on a plane – except at one point: the projection point.