Principal axis: Difference between revisions

Latest revision as of 09:33, 17 September 2026

Principal axis (of a sound source or receiver)

Generally the axis of structural symmetry or the direction of maximum emission or response.

Reference direction serving as an origin for angular co-ordinates used in describing the directional characteristics of the sound source or receiver.

Reference: I.E.C. (modified)

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Revision as of 00:11, 25 February 2009 (view source) Oferiks (talk \| contribs) m (1 revision) ← Older edit		Latest revision as of 09:33, 17 September 2026 (view source) Minsuids (talk \| contribs) m (Dictionary clean-up: identifier → urn:mrn:iala:dic:3-1-0135)
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	Principal axis (of a sound source or receiver)		Principal axis (of a sound source or receiver)