Precise acoustic drone localization and tracking via drone noise: Steered response power - phase transform around harmonics

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-06-14 DOI:10.1177/1475472x241259082

Seçkin Uluskan

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Abstract

This study introduces a new method for precise acoustic drone localization and tracking via the noise generated by the drone. Drone noises include harmonic frequency components which are related to the rotational speed of the propeller and the number of blades. This study integrates utilization of the frequency components around harmonics into Steered Response Power - Phase Transform (SRP-PHAT). First, a custom discrete Fourier transform (namely DFT-Harmonics) is defined which concentrates only on the vicinities of harmonics to capture the frequency components possibly related to the drone sound. Then, DFT-Harmonics is integrated into SRP-PHAT, which is named SRP-Harmonics. The benefits of SRP-Harmonics are explained and illustrated via SRP maps and videos. Experiments with real microphone array data show that SRP-Harmonics is precise in localizing and tracking a drone, while the ordinary SRP-PHAT can not be reasonably successful. Moreover, SRP-Harmonics after Kaiser window can maintain its performance even when significant level of artificial white noise or natural wind noise exists in the data.

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通过无人机噪声进行精确的无人机声学定位和跟踪：转向响应功率--谐波相位变换

本研究介绍了一种通过无人机产生的噪声对无人机进行精确声学定位和跟踪的新方法。无人机噪声包括谐波频率成分，与螺旋桨的转速和叶片数量有关。本研究将利用谐波周围的频率成分整合到转向响应功率-相位变换（SRP-PHAT）中。首先，定义了一种定制的离散傅里叶变换（即 DFT-谐波），它只集中于谐波附近，以捕捉可能与无人机声音有关的频率成分。然后，将 DFT-Harmonics 集成到 SRP-PHAT 中，命名为 SRP-Harmonics。通过 SRP 地图和视频解释和说明了 SRP-Harmonics 的优势。利用真实麦克风阵列数据进行的实验表明，SRP-Harmonics 能精确定位和跟踪无人机，而普通的 SRP-PHAT 则无法取得合理的成功。此外，即使数据中存在大量人工白噪声或自然风噪声，经过 Kaiser 窗口处理的 SRP-Harmonics 也能保持其性能。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.