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Mesurador de camp

Un mesurador de camp o comprovador de camp[1] és l'instrument elèctric que ens transforma les ones electromagnètiques en espectres electromagnètics i ens els presenta en forma d'una imatge. A part d'ensenyar-nos els Espectres electromagnètics el mesurador de camp també ens diu en quina freqüència el rep, la intensitat en decibels (dB) i el canal per qual el rep.[2]

S'empra per orientar antenes de recepció de ràdio i televisió, tant per a la televisió terrestre com per a la que emet via satèl·lit. També és emprat per a localitzar emissions de senyals electromagnètics, (ones de ràdio, generalment), que en algun moment poguessin interferir en canals de socors i emergència.

Referències

[modifica]
  1. Taggart, Harold E.; Workman, John L. Calibration Principles and Procedures for Field Strength Meters 30 (Hz to 1GHz) (en anglès). National Bureau of Standards, 1968, p. 1. 
  2. Radio Society of Great Britain. Radio and Electronics Cookbook (en anglès). Newnes, 2001, p. 160. ISBN 0750652144. 
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Mesurador de camp
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