datum

datum

A math model which depicts a part of the surface of the earth. Latitude and longitude lines on a paper map are referenced to a specific map datum. The map datum selected on a GPS receiver needs to match the datum listed on the corresponding paper map in order for position readings to match.

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Besedna vrsta: noun
Sinonim(-i):
Blossary:
Industrija/področje: Telecommunications
Category: GPS (global positioning system)
Company: Garmin
Proizvod:
Akronim/okrajšava:

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geodetski datum

Telecommunications; GPS (global positioning system)

A math model representing the size and shape of the earth (or a portion of it).

julijanski datum

Astronomy; General astronomy

The interval of time in days (and fraction of a day) since Greenwich noon on Jan. 1, 4713 BC. The JD is always half a day off from Universal Time, because the current definition ...

staviti kasniji datum

Education; SAT vocabulary

Navesti datum nekog pisanija kasnije nego što jeste.

rover

Telecommunications; GPS (global positioning system)

Any mobile GPS receiver collecting data during a field session. The receiver's position may be computed relative to another, stationary GPS receiver at a Base Station. May also be ...

sonar

Telecommunications; GPS (global positioning system)

A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water. This technology is ...

statičko pozicioniranje

Telecommunications; GPS (global positioning system)

Location determination when the receiver's antenna is presumed to be stationary on the earth. In the case of pseudo-range-based techniques this allows the use of various averaging ...

nautička milja

Telecommunications; GPS (global positioning system)

A unit of length used in sea and air navigation, based on the length of one minute of arc of a great circle, especially an international and U.S. unit equal to 1,852 meters (about ...

navigacija

Telecommunications; GPS (global positioning system)

The act of determining the course or heading of movement. This movement could be for a plane, ship, automobile, person on foot, or any other similar means.

navigaciona poruka

Telecommunications; GPS (global positioning system)

The message transmitted by each GPS satellite containing system time, clock correction parameters, ionospheric delay model parameters, and the satellite’s ephemeris data and ...