Surveying Glossary — Letter G

Galileo is the European Union's global navigation satellite system that provides precise positioning, navigation, and timing services for surveying and mapping applications worldwide.

GCP ay ang abbreviation para sa Ground Control Point, na mga kilalang lokasyon sa lupa na ginagamit sa surveying at mapping para sa reference at validation.

GDOP ay isang sukatan ng geometric na kalidad ng mga satellite na ginagamit sa GPS na pagsusukat na nakakaapekto sa katumpakan ng posisyon.

Teknolohiya na gumagamit ng GPS o iba pang lokasyon-based sistema upang lumikha ng virtual na hangganan sa paligid ng isang partikular na heograpikong lugar.

The vertical distance between the geoid and the reference ellipsoid at any given point on Earth's surface.

Geomatics is the discipline of gathering, storing, processing, and delivering geographic information and spatial data using modern technology and scientific methods.

The process of aligning and transforming geospatial data to match a known coordinate system and map projection.

The process of assigning geographic coordinates to spatial data such as maps, images, or datasets to establish their precise location on Earth.

Information about physical locations and features on Earth's surface, referenced to geographic coordinates.

GeoTIFF is a standard image format that embeds geographic and cartographic information directly within TIFF files for spatial data representation.

A pivoted support that allows an object to rotate freely in any direction, commonly used in surveying instruments to maintain horizontal orientation.

Sistem informasi geografis yang mengintegrasikan data spasial dengan teknologi komputer untuk analisis dan visualisasi peta digital.

Global Navigation Satellite System na gumagamit ng mga satellite para sa posisyon, bilis, at oras na determinasyon.

GNSS signal processing refers to the techniques and algorithms used to acquire, track, and decode signals from Global Navigation Satellite Systems to determine precise position, velocity, and time.

GNSS天线是接收全球导航卫星系统信号的专用天线装置，用于测量和定位应用中捕获和转换卫星信号。

GPS ay isang pandaigdigang sistemang gumagamit ng mga satellite upang matukoy ang eksaktong lokasyon at posisyon ng mga punto sa Earth.

A continuous count of weeks since January 6, 1980, used as the primary time reference system in Global Positioning System measurements and surveying applications.

The process of establishing and maintaining precise elevation references to ensure construction projects meet specified vertical design requirements.

Ground filtering is a data processing technique used in surveying to remove non-ground points from LiDAR point clouds, isolating terrain elevation data.

GRS80 is the Geodetic Reference System of 1980, an international standard ellipsoid used as the basis for geodetic surveys and mapping worldwide.

GSD ay ang ground sample distance na sumusukat sa spatial resolution ng aerial o satellite imagery sa surveying.