IEVref: | 802-01-19 | ID: | |

Language: | en | Status: Standard | |

Term: | beam area | ||

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Symbol: | A_{b}
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Definition: | area in a specified plane perpendicular to the beam axis, consisting of all points at which the pulse-pressure-squared integral is greater than a specified fraction of the maximum value of the pulse-pressure-squared integral in that plane
NOTE – Some commonly specified levels are 0,25 and 0,01 for the −6 dB and −20 dB beam areas, respectively.
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Publication date: | 2011-01 | ||

Source | definition 3.7 of IEC 62127-1 MOD, adapted from 4.2.9 of IEC 61828 and 3.6 of IEC 61102 | ||

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