24 October 2016 High infrasonic goniometry applied to the detection of a helicopter in a high activity environment
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A current concern of armasuisse is the feasibility of a fixed or mobile acoustic surveillance and recognition network of sensors allowing to permanently monitor the noise immissions of a wide range of aerial activities such as civil or military aviation, and other possible acoustic events such as transient events, subsonic or sonic booms or other. This objective requires an ability to detect, localize and recognize a wide range of potential acoustic events of interest, among others possibly parasitic acoustic events (natural and industrial events on the ground for example), and possibly high background noise (for example close to urban or high activity areas). This article presents a general discussion and conclusion about this problem, based on 20 years of experience totalizing a dozen of research programs or internal researches by IAV, with an illustration through one central specific experimental case-study carried out within the framework of an armasuisse research program.
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Vincent Chritin, Vincent Chritin, Eric Van Lancker, Eric Van Lancker, Peter Wellig, Peter Wellig, Beat Ott, Beat Ott, } "High infrasonic goniometry applied to the detection of a helicopter in a high activity environment", Proc. SPIE 9997, Target and Background Signatures II, 999703 (24 October 2016); doi: 10.1117/12.2241095; https://doi.org/10.1117/12.2241095

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