Thuật ngữ

Các thuật ngữ chính trong trắc địa chuyên nghiệp và công nghệ địa không gian.

ALL 345ABCDEFGHIKLMNOPQRSTUVWZÞГСبجShowing 201-250 of 333 terms
Photogrammetry Tie Point

A distinctive feature or landmark visible in multiple overlapping photographs used to establish geometric relationships and coordinate connections between images in photogrammetric surveys.

Pipeline Survey

A comprehensive measurement and documentation process used to determine the precise location, alignment, and characteristics of pipelines for installation, maintenance, and regulatory compliance.

pix4d

Pix4d est une plateforme logicielle de traitement d'images aériennes et terrestres utilisant la photogrammétrie et l'apprentissage automatique pour générer des modèles 3D, des orthomosaïques et des analyses géospatiales.

plat map

A detailed map showing the divisions of a piece of land into lots, blocks, and streets.

plumb bob

A weight suspended by a string used to establish a vertical line for surveying and construction work.

plumb line

A surveying instrument consisting of a weighted string used to establish a vertical reference line.

point cloud

A set of data points in three-dimensional space representing the surface of an object or environment.

Point Cloud Classification

The process of automatically or manually categorizing individual points in a three-dimensional point cloud dataset into predefined classes based on their spatial, spectral, and geometric characteristics.

point cloud registration

The process of aligning multiple point clouds into a common coordinate system to create a unified 3D model.

Point Cloud to BIM

The process of converting three-dimensional point cloud data acquired through laser scanning into structured Building Information Models for design and construction documentation.

pole

A straight, slender rod or staff used in surveying to mark points and measure distances on the ground.

ppk

Teknolohiya sa pagsusukat na gumagamit ng satellite positioning para sa mataas na kahusayan.

ppk drone

A drone equipped with Post-Processing Kinematic (PPK) technology for high-precision surveying and mapping applications.

ppm

Ppm ay isang yunit ng pagsusukat na kumakatawan sa bahagi bawat milyon, na karaniwang ginagamit sa surveying upang ipahayag ang mga napakaliit na halaga.

PPP (Precise Point Positioning)

PPP is a GNSS surveying technique that determines accurate positions using satellite signals without requiring a reference station or base station network.

Précis Point Positioning

Précis Point Positioning est une méthode de positionnement par satellite utilisant les signaux GPS corrigés pour obtenir une précision centimétrique sans stations de base locales.

Precisyon Akurasyon

Ang sukatan ng pagiging malapit ng mga sukat sa tunay na halaga at ang consistency ng mga paulit-ulit na pagsusukat sa surveying.

prism constant

A systematic correction value applied to measurements made with a prism in surveying instruments to account for the optical properties and geometry of the prism.

prism reflector

A surveying instrument consisting of a prism that reflects light at a fixed angle, used for measuring angles and distances in surveying operations.

Profil Longitudinal

Représentation graphique en deux dimensions montrant l'élévation du terrain le long d'une ligne de levé spécifique.

QGIS

QGIS ay isang libreng at open-source na geographic information system (GIS) na ginagamit para sa spatial data analysis at cartography.

radome

A protective dome or enclosure made of radar-transparent material that shields radar antennas from weather and environmental damage while maintaining signal transmission.

Rail Survey

Rail Survey ay ang proseso ng pagsusukat at pag-aaral ng mga riles upang matiyak ang tamang alignment, grade, at kalidad ng konstruksyon.

random error

Unpredictable variations in measurements caused by uncontrollable factors that affect surveying accuracy.

range accuracy

The degree to which measured distances in surveying conform to their true values, expressed as a ratio or percentage of error.

range finder

A surveying instrument used to measure distances between two points without direct physical measurement.

Rapid Static

A GNSS surveying method that uses static positioning for shorter observation periods (5-20 minutes) to achieve centimeter-level accuracy.

raster data

Raster data represents geographic information as a grid of cells or pixels, each containing a value representing a specific attribute or measurement.

raw data

Unprocessed information collected directly from surveying instruments and field observations before analysis or interpretation.

recap

Ringkasan singkat dari poin-poin utama yang telah dibahas sebelumnya.

Redundancy

The inclusion of extra measurements or observations beyond the minimum required to determine a position or establish control.

reflective target

A marked point or object with high reflectivity used in surveying to reflect light back to measuring instruments for accurate distance and position determination.

Reflectorless

A surveying technology that measures distances without requiring reflective prisms or targets at the measurement point.

Reflectorless Measurement

A surveying technique that measures distances and positions without requiring reflective prisms or targets on the measured object.

Remote Sensing

The science and technology of obtaining information about objects or areas from a distance using specialized sensors and instruments without physical contact.

Resection

A surveying method for determining the position of an unknown point by measuring angles to known points from that location.

Revit Survey

A comprehensive methodology for collecting, analyzing, and documenting spatial data using Autodesk Revit software in conjunction with traditional surveying practices.

rəjɪˈstreɪʃən

The process of officially recording and documenting land boundaries, ownership rights, and survey measurements in a legal registry to establish authoritative property records.

right of way

The legal right to pass through property owned by another person or entity for a specific purpose.

RISCAN PRO

RISCAN PRO yra išplėtota lazerinės skenuojamosios sistemos programinė įranga, skirta 3D duomenims apdoroti ir analizuoti.

rms

Root mean square is a statistical measure used in surveying to quantify the magnitude of varying quantities and assess measurement accuracy.

rmse

Root Mean Square Error (RMSE) is a statistical measure used in surveying to quantify the accuracy of measurements by calculating the square root of the average of squared differences between observed and predicted values.

roads survey

The comprehensive measurement and mapping of road characteristics including geometry, surface conditions, and traffic patterns for planning and maintenance purposes.

robotic total station

An automated surveying instrument that combines distance and angle measurement capabilities with motorized positioning and robotic control systems.

RTK

RTK ay isang advanced na surveying technique na gumagamit ng real-time kinematic GPS para sa high-precision positioning at mapping.

RTK Drone

A drone equipped with Real-Time Kinematic technology that achieves centimeter-level positioning accuracy for surveying and mapping applications.

RTK GNSS Positioning

Real-Time Kinematic GNSS positioning is a surveying technique that uses satellite signals with ground-based correction data to achieve centimeter-level accuracy in real-time.

RTK Tide Method

RTK Tide Method ay isang advanced surveying technique na gumagamit ng real-time kinematic positioning na pinagsama sa tidal data para sa accurate vertical datum transformations sa coastal at maritime survey operations.

rtx

Rtx ay isang advanced na teknolohiya ng graphics processing na gumagamit ng real-time ray tracing para sa mas realistic na visual rendering.

satellite constellation

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

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