Near-field infrasound classification of rocket launch signatures

Kaleb E. Smith; Mitchell L. Solomon; Kaylen J. Bryan; Anthony O. Smith; Adrian M. Peter

doi:10.1117/12.2302680

23 May 2018 Near-field infrasound classification of rocket launch signatures

Kaleb E. Smith, Mitchell L. Solomon, Kaylen J. Bryan, Anthony O. Smith, Adrian M. Peter

Author Affiliations +

Proceedings Volume 10629, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIX; 106291F (2018) https://doi.org/10.1117/12.2302680
Event: SPIE Defense + Security, 2018, Orlando, Florida, United States

Abstract

Discrimination between different rocket types is an important application for utilizing infrasound in event monitoring within a range of 0-100 km. This is in contrast to traditional nuclear weapons monitoring which leverages infrasound propagation over thousands of kilometers. The motivation of this research is to demonstrate the utilization of deep neural network architectures to discriminate infrasonic signals produced by rocket launches and collected by an near-field infrasound sensor array. The data collection contains three space bound rocket classes: Delta IV, Atlas V, and Falcon 9. In particular, we investigate the classification accuracy of a multi-class convolutional neural network (CNN) and a deep neural network (DNN) on various feature representations, such as neural network derived features, spectrograms, and wavelet scattering transform coefficients. Our experiments validate the viability of a CNN and DNN framework for near-field infrasonic applications, with our proposed method achieving favorable results.

Citation Download Citation

Kaleb E. Smith, Kaleb E. Smith, Mitchell L. Solomon, Mitchell L. Solomon, Kaylen J. Bryan, Kaylen J. Bryan, Anthony O. Smith, Anthony O. Smith, Adrian M. Peter, Adrian M. Peter, } "Near-field infrasound classification of rocket launch signatures", Proc. SPIE 10629, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIX, 106291F (23 May 2018); doi: 10.1117/12.2302680; https://doi.org/10.1117/12.2302680

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