Surveying Glossary — Letter P

Βασικοί όροι στη δημοσιογραφική τοπογραφία και τη γεωχωρική τεχνολογία.

ALL345ABCDEFGHIKLMNOPQRSTUVWZПРShowing 1-19 of 19 terms
parcel boundary

The legal line that defines the extent and limits of a property parcel as established through surveying measurements and documented in property records.

PDOP

Positional Dilution of Precision - a measure of how satellite geometry affects GPS positioning accuracy.

Phase Shift

A change in the phase angle of a periodic signal or wave relative to a reference point or another signal.

Pipeline Survey

A specialized surveying process that establishes precise horizontal and vertical control points along pipeline routes for design, construction, and monitoring purposes.

pix4d

Software platform na gumagamit ng drone imagery at advanced processing para sa professional surveying, mapping, at 3D reconstruction applications.

plat map

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

plumb bob

A weight suspended from a string used to determine vertical alignment in surveying and construction.

plumb line

A string or wire with a weight attached, used to establish a true vertical line for surveying and construction purposes.

Point Cloud

A collection of data points in three-dimensional space, typically obtained through surveying technologies like LiDAR or photogrammetry.

point cloud classification

The process of automatically or manually assigning points in a 3D point cloud to predefined categories based on their spatial, spectral, or geometric properties.

Point Cloud Registration

The process of aligning multiple point clouds acquired from different positions or times into a common coordinate system.

Point Cloud to BIM

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

pole

A long, straight staff or rod used to measure distances and heights in surveying operations.

ppk

Teknologia ya urainishaji wa data inayotumia njia za takwimu na mashine kujifunza kutoka kwa sampuli ili kubaini muundo na mwenendo.

PPK Drone

Unmanned aerial vehicle equipped with Post-Processing Kinematic technology for centimeter-level surveying accuracy.

ppm

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

PPP Precise Point Positioning

A GNSS positioning technique that uses dual-frequency receivers and precise satellite orbit and clock corrections to achieve centimeter-level accuracy without ground-based reference stations.

Precise Point Positioning

A GNSS surveying technique that uses precise satellite orbit and clock corrections to achieve centimeter-level accuracy without requiring a reference station.

Prism Reflector

An optical device consisting of a prism that reflects and redirects light beams for surveying measurements and alignment purposes.