bel

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bel

 [bel]
a unit of relative power intensity used for acoustic or electric power; a change of one bel is a tenfold power increase and approximately doubles loudness of most sounds. See also decibel.

bel

(bel),
Unit expressing the relative intensity of a sound. The intensity in bels is the logarithm (to the base 10) of the ratio of the power of the sound to that of a reference sound. Ordinarily, the reference sound is assumed to be one with a power of 10-16 watts per sq cm, approximately the threshold of a normal human ear at 1000 Hz.
[A.G. Bell, Scottish-U.S. scientist, 1847-1922]

bel

(bel) a unit used to express the ratio of two powers, usually electric or acoustic powers; an increase of 1 bel in intensity approximately doubles loudness of most sounds. Symbol B. See also decibel.

bel

Etymology: Alexander G. Bell, Canadian inventor, 1847-1922
a unit that expresses intensity of sound. It is the logarithm (to the base 10) of the ratio of the power of any specific sound to the power of a reference sound. The most common reference sound has a power of 10-16 watts per square centimeter, or the approximate minimum intensity of sound at 1000 cycles per second that is perceptible to the human ear. An increase of 1 bel approximately doubles the intensity or loudness of most sounds. See also decibel.

bel

Acoustics
A unit expressing the logarithm of the ratio of power of a sound (P1) to that of a reference sound (P2)—i.e., log10P1/P2; in practice, the unit decibel is used.

bel

(bel)
Unit expressing the relative intensity of a sound. The intensity in bels is the logarithm (to the base 10) of the ratio of the power of the sound to that of a reference sound. Ordinarily, the reference sound is assumed to be one with a power of 10-16 watts per sq cm, approximately the threshold of a normal human ear at 1000 Hz.
[A.G. Bell, Scottish-U.S. scientist, 1847-1922]

bel

a unit used to express the ratio of two powers, usually electric or acoustic powers; an increase of 1 bel in intensity approximately doubles loudness of most sounds (see also decibel).
References in periodicals archive ?
At whatever point this process took place, in the end, Baal had become the son of a single god, the head of the pantheon.
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In Canaan the power struggle between Illu and Baal generated skepticism, and concentration on one god was seen as a solution to problems created by a divided pantheon.
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In a statement that was quoted by local media sources, the source said that three small explosions were heard this afternoon in an area between the neighborhoods of Bab Al-Tabana and Baal Mohsen, pointing out that the explosions could be caused by Energa grenade.
NNA - 18/06/2011 Lebanese army Orientation Directorate issued Saturday the following statement: "Following clashes between armed men from Bab Tabbaneh and Baal Mohssen yesterday afternoon, units of the Lebanese army continue carrying out military and security procedures in both regions, whereby these units were fully deployed by dawn today and have successfully restored the situation back to normal.
Palmyra,(SANA)- Syrian-Polish Archeological Expedition ended its excavations for the current season at Churches Site in Palmyra, west of Baal Shamsine Temple, by discovering the fifth architectural church .