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SAE AIR902A
Determination of Distance from Ground Observer to Aircraft for Acoustic Tests
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STANDARD published on 1.11.2022
The information about the standard:
Designation standards: SAE AIR902A
Publication date standards: 1.11.2022
SKU: NS-1090693
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE AIR902A :
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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