Surveying Glossary — Letter S

A group of satellites working together in coordinated orbits to provide continuous global coverage and services.

Système de majoration par satellite qui améliore la précision du positionnement GPS pour les applications de levé.

A numerical value that represents the relationship between a distance on a map or drawing and the corresponding distance on the ground in surveying applications.

The level of detail or precision at which a surveying instrument captures spatial data during scanning operations.

scan to bim ay ang proseso ng pag-convert ng 3D laser scanning data patungo sa structured Building Information Modeling format para sa construction at design purposes.

Specialized computer applications designed for creating, managing, and visualizing three-dimensional environments and spatial layouts in surveying and construction projects.

Sfm ys e tichnyqw uf captarng end pricissyng thridyminsyunel dete fram multypel 2D ymegis tu criate accuret 3D mudils.

A digital vector data format used in surveying and GIS to store geometric location and attribute information of geographic features.

A sonar system that produces high-resolution images of the seafloor by transmitting sound waves perpendicular to the survey vessel's direction of travel.

A hydrographic surveying instrument that emits a single acoustic beam to measure water depth and bathymetric features by timing the return of reflected sound waves.

The ability of a surveying instrument or system to distinguish between two closely spaced objects or points.

The process of marking and establishing precise locations on the ground based on survey measurements and design plans.

A surveying process of establishing and marking precise locations on the ground based on predetermined coordinates and design plans.

A measure of how spread out data points are from the average value in a dataset.

A system of geographic coordinate grids established by the United States for each state to facilitate accurate land surveying and mapping.

A surveying technique where GNSS receivers remain stationary at survey points to collect high-precision position data over extended periods.

A photogrammetric technique that reconstructs 3D structures and camera positions from a sequence of 2D images taken from different viewpoints.

A marine geophysical instrument that uses acoustic signals to image subsurface geological layers beneath the seafloor for bathymetric and geological surveying applications.

The process of dividing a larger parcel of land into smaller individual lots for development, sale, or legal purposes.

A highly skilled professional who oversees and directs all surveying operations and ensures accuracy in land measurements and mapping.

A consistent bias in measurements that causes results to deviate in one direction from the true value.