Toward high-quality X-59 sonic thump measurements

IF 0.3 4区 工程技术 Q4 ACOUSTICS
Mark C. Anderson, Kent L. Gee, J. Taggart Durrant, Alexandra Loubeau
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引用次数: 1

Abstract

Brigham Young University has been investigating best practices for recommendation to NASA in upcoming X-59 sonic thump measurements. This preparatory work has focused both on obtaining high-fidelity data and standardizing signal analysis techniques for sonic thumps. Included in the research are topics such as whether to use a ground-based or elevated microphone, how to use low-noise microphones and still recover high-fidelity data at low frequencies, and estimating the uncertainty in a given measurement due to local atmospheric turbulence effects. Also included is a study of windowing techniques, zero padding, and the removal of high-frequency ambient noise contamination.
迈向高质量的X-59音波测量
杨百翰大学(Brigham Young University)一直在研究向NASA推荐即将到来的X-59声压测量的最佳实践。这项准备工作的重点是获得高保真数据和标准化的信号分析技术。研究的主题包括是使用地面麦克风还是高空麦克风,如何使用低噪声麦克风并在低频率下恢复高保真数据,以及估计由于局部大气湍流影响而在给定测量中的不确定性。还包括窗技术,零填充和去除高频环境噪声污染的研究。
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来源期刊
Noise Control Engineering Journal
Noise Control Engineering Journal 工程技术-工程:综合
CiteScore
0.90
自引率
25.00%
发文量
37
审稿时长
3 months
期刊介绍: NCEJ is the pre-eminent academic journal of noise control. It is the International Journal of the Institute of Noise Control Engineering of the USA. It is also produced with the participation and assistance of the Korean Society of Noise and Vibration Engineering (KSNVE). NCEJ reaches noise control professionals around the world, covering over 50 national noise control societies and institutes. INCE encourages you to submit your next paper to NCEJ. Choosing NCEJ: Provides the opportunity to reach a global audience of NCE professionals, academics, and students; Enhances the prestige of your work; Validates your work by formal peer review.
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