![Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017 Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017](https://journals.sagepub.com/cms/10.1177/1756829316681868/asset/images/large/10.1177_1756829316681868-fig15.jpeg)
Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017
![Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017 Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017](https://journals.sagepub.com/cms/10.1177/1756829316681868/asset/images/large/10.1177_1756829316681868-fig19.jpeg)
Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017
![Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017 Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017](https://journals.sagepub.com/cms/10.1177/1756829316681868/asset/images/large/10.1177_1756829316681868-fig6.jpeg)
Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017
![Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017 Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017](https://journals.sagepub.com/cms/10.1177/1756829316681868/asset/images/large/10.1177_1756829316681868-fig18.jpeg)
Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017
![Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017 Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017](https://journals.sagepub.com/cms/10.1177/1756829316681868/asset/images/large/10.1177_1756829316681868-fig9.jpeg)
Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017
![Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017 Acoustic signature measurement of small multi-rotor unmanned aircraft systems - N Kloet, S Watkins, R Clothier, 2017](https://journals.sagepub.com/cms/10.1177/1756829316681868/asset/images/large/10.1177_1756829316681868-fig7.jpeg)