Glossary

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

In alphabetical order

A

AENA

Spanish Airports and Air Navigation.

C

Continuous equivalent level

Noise level generated by any source, measured in decibels.

D

dB (A)

Decibels in ponderation A.

I

ICAO

International Civil Aviation Organisation.

L

Leq(A) plane

Continuous equivalent level which would have been generated if more noise had existed than that produced by the planes in ponderation A.

Leq(A) day

Continuous equivalent level corresponding to the daytime period, from 07:00 to 22:59 hours.

Leq(A) night

Continuous equivalent level corresponding to the night time period, from 23:00 to 06:59 hours.

Leq(A) total

Continuous equivalent level generated by all the sources of noise in ponderation A.

P

Percentile L10

Statistic value which represents the level in dB(A) which has been equalled or surpassed for 10% of the time.

Percentile L50

Statistic value which represents the level in dB(A) which has been equalled or surpassed for 50% of the time.

Percentile L90

Statistic value which represents the level in dB(A) which has been equalled or surpassed for 90% of the time.

Ponderation A

Frequency filter similar to the perception of the human ear.

S

SIRBCN

Noise and flight path monitoring system at Barcelona Airport.

T

TMR

Noise monitoring terminal made up of a microphone and IT support.