Ordlista
Nyckelbegrepp inom professionell mätning och geospatial teknik.
A comprehensive measurement and assessment of ground conditions, levels, and structural requirements before construction begins.
A surveying method where an instrument is set up at an arbitrary point not on an existing control network, with its position and orientation determined through backsights to known points.
Galileo is the European Union's global navigation satellite system providing positioning, navigation, and timing services worldwide.
GCP ay ang abbreviasyon para sa Ground Control Point, isang tukoy na lokasyon na may kilalang coordinate na ginagamit sa surveying at mapping.
GDOP ay isang sukatan ng geometric na kalidad ng mga satellite na posisyon para sa GPS positioning accuracy.
The science of measuring and mapping the Earth's physical features and gravitational field.
A location-based technology that uses GPS, RFID, or cellular data to create virtual boundaries around geographic areas and trigger automated actions when devices enter or exit these zones.
The equipotential surface of Earth's gravitational field that best approximates mean sea level and serves as the reference for measuring elevations.
The vertical distance between the ellipsoid and the geoid at any given point on Earth's surface.
Geomatics is the discipline of gathering, storing, processing, and delivering geographic data and information using integrated systems of sensors, computers, and analytical methods.
The process of aligning and correcting geographic data to match a known coordinate system and remove distortions.
The process of assigning geographic coordinates to spatial data or images to align them with a real-world coordinate system.
Information that identifies the geographic location and characteristics of natural or constructed features and boundaries on Earth.
GeoTIFF is a standardized image format that embeds geographic coordinate information directly into TIFF files, enabling precise spatial referencing of raster data.
A pivoted support that allows an object to rotate freely on multiple axes, commonly used in surveying instruments to maintain level orientation.
GIS yra komputerinė sistema, kuri saugo, analizuoja ir vizualizuoja geografinius duomenis erdvinėms problemoms spręsti.
GLONASS is a Russian satellite navigation system that provides positioning, navigation, and timing services globally.
GNSS ay isang pandaigdigang sistema ng satellite navigation na nagbibigay ng tumpak na lokasyon at oras sa mga receiver sa buong mundo.
GNSS Signal Processing refers to the techniques and methods used to acquire, track, and decode signals from Global Navigation Satellite System satellites to determine precise positioning and timing information.
GNSS天线是接收全球导航卫星系统信号的关键设备,用于测量和定位应用中获取卫星信号。
GPS est un système de positionnement par satellite utilisé en arpentage pour déterminer les coordonnées précises de points sur la surface terrestre.
A timekeeping unit in the GPS system that consists of 604,800 seconds and is used for precise timing and positioning calculations.
The process of establishing and maintaining correct elevation levels during construction and surveying operations.
A surveying technique that removes non-ground points from LiDAR data to create accurate digital terrain models.
GRS80 is the Geodetic Reference System of 1980, an international standard ellipsoid used for geodetic surveys and mapping worldwide.
GSD ay ang ground sample distance na sumusukat sa spatial resolution ng mga aerial at satellite imagery sa surveying.
HDOP ay isang sukat ng pahalang na katumpakan ng GPS na nakabase sa spatial arrangement ng mga satellite.
The angle measured in a horizontal plane between two lines of sight from a surveying instrument.
The measurement of horizontal angles using the graduated circle on a surveying instrument, typically a theodolite or transit, to determine angular positions between points.
A reference surface or vertical plane used to measure water depths, tidal heights, and water-related elevations in surveying and mapping applications.
A specialized surveying process that measures and maps underwater topography, water depths, and coastal features for navigation and marine resource management.
ICP (Iterative Closest Point) is a fundamental algorithm used in surveying and geomatics to align and register point clouds by iteratively matching corresponding points between datasets.
ICP ay isang algorithm na gumagamit ng iterative na proseso upang mahanap ang pinakamahusay na pagkakahanay (alignment) sa pagitan ng dalawang point clouds sa 3D space.
IFC ay isang bukas na pamantayan para sa pagbabahagi ng impormasyon sa industriya ng konstruksyon at real estate.
An open international standard data model for representing building and infrastructure information across different software platforms and disciplines.
The process of determining the correct whole number of wavelengths in carrier phase measurements for precise GNSS positioning.
The measure of the strength or magnitude of a physical quantity, such as light, sound, or electromagnetic radiation, per unit area or volume.
A surveying method that determines the position of an object by measuring angles from two or more known reference points.
Iono free ay isang teknika sa surveying na gumagamit ng ionospheric-free linear combination upang alisin ang ionospheric delay mula sa satellite observations.
The propagation delay of electromagnetic signals caused by free electrons in the ionosphere affecting GNSS positioning accuracy.
International standard that specifies field procedures for testing and verification of surveying instruments to ensure accuracy and reliability in measurement.
International standards for information management using Building Information Modeling in the built environment across design, construction, and operational phases.
A real-time surveying technique using Global Navigation Satellite System signals to determine precise positions of moving or stationary objects with centimeter-level accuracy.
KML (Keyhole Markup Language) and KMZ (compressed KML) are file formats used to store and display geographic data, maps, and spatial information in surveying and GIS applications.
GNSS频率带的三个主要信号频段,用于全球定位系统和其他卫星导航系统的精密测量。
Las format ay isang binary file format na ginagamit para sa pag-store ng 3D point cloud data mula sa LiDAR surveys at iba pang surveying instruments.
LAS is a standardized binary file format for storing three-dimensional point cloud data acquired through Light Detection and Ranging (LiDAR) technology.
A surveying method used to transfer design plans and specifications from drawings onto the ground for construction purposes.
LAZ format is a compressed point cloud data format commonly used in surveying and geospatial applications to efficiently store and transmit LiDAR data.
A mathematical method for finding the best-fitting line or curve through a set of data points by minimizing the sum of squared residuals.