Aktivní norma | Vydána: 01.11.2022

SAE AIR902A

Determination of Distance from Ground Observer to Aircraft for Acoustic Tests

Dostupné jazyky: Anglicky

Dostupné provedení: Elektronické PDF, Tištěné

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Podrobné informace

Označení: SAE AIR902A

Datum vydání: 01.11.2022

Stran: 0

Země: Americká technická norma

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Anotace

This document describes a practical system for a user to determine observer-to-aircraft distances. These observer-to-aircraft distances can be either closest point of approach (CPA) distances during field measurements or overhead distances during acoustic certification tests. The system uses a digital camera to record an image of the subject aircraft. A method of using commercial software to obtain the distance from such an image is presented. Potential issues which may affect accuracy are discussed.

SUBJECT TAXONOMY: Computer simulation, Mathematical models, Imaging and visualization, Exterior noise, Noise measurement, Acoustics, Test procedures, Aircraft
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard

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