Novel Methodology for the Prediction of Rotorcraft Detectability using Classic Signal Detection Theory

doi:10.4050/F-0081-2025-0223

Unable to log in or get member pricing? Having trouble changing your password?

Please review our Frequently Asked Questions for complete information on these and other common situations.

Vertical Flight Library & Store

CHECKOUT

0 Item(s) In Cart Total: $0.00

Novel Methodology for the Prediction of Rotorcraft Detectability using Classic Signal Detection Theory

Bianca Erwee, Leonardo Helicopters

https://doi.org/10.4050/F-0081-2025-0223

Abstract:
Survivability in the future operating environment is becoming more challenging as threat systems evolve and become more sophisticated. The ability to tailor and manage signatures will be one of the key methods to improve survivability, allowing operators to minimise detection and maximise the effectiveness of countermeasures. This paper presents the findings of an investigation into the application of classical Signal Detection Theory (SDT) to the aural detectability of helicopter noise signatures, considering human auditory capabilities. The paper has thus developed a novel methodology, applied it to both the experimental and numerical helicopter acoustics signatures of an LH platform, and used these results to infer the detectability characteristics of the aircraft, as well as how they are affected by the presence of background noise in different environments.