Directional Resonant MEMS Acoustic Sensor and Associated Acoustic Vector Sensor [PDF]
This paper reports on the design, modeling, analysis, and evaluation of a micro-electromechanical systems acoustic sensor and the novel design of an acoustic vector sensor array (AVS) which utilized this acoustic sensor.
Justin Ivancic +2 more
doaj +7 more sources
Detection of Water on Road Surface with Acoustic Vector Sensor [PDF]
This paper presents a new approach to detecting the presence of water on a road surface, employing an acoustic vector sensor. The proposed method is based on sound intensity analysis in the frequency domain.
Józef Kotus, Grzegorz Szwoch
doaj +5 more sources
Separation of Simultaneous Speakers with Acoustic Vector Sensor [PDF]
This paper presents a method of sound source separation in live audio signals, based on sound intensity analysis. Sound pressure signals recorded with an acoustic vector sensor are analyzed, and the spectral distribution of sound intensity in two ...
Józef Kotus, Grzegorz Szwoch
doaj +4 more sources
Vector Sensor Steering-Dependent Performance in an Underwater Acoustic Communication Field Experiment [PDF]
This paper shows the performance resulting from combining vector sensor directional components in an underwater acoustic communication experiment. The objective is to relate performance with transmission direction and range.
Fabricio A. Bozzi, Sérgio M. Jesus
doaj +4 more sources
Acoustic Vector Sensor Multi-Source Detection Based on Multimodal Fusion [PDF]
The direction of arrival (DOA) and number of sound sources is usually estimated by short-time Fourier transform and the conjugate cross-spectrum. However, the ability of a single AVS to distinguish between multiple sources will decrease as the number of ...
Yang Chen +4 more
doaj +2 more sources
Frequency Invariant Beamforming for a Small-Sized Bi-Cone Acoustic Vector–Sensor Array [PDF]
In this work, we design a small-sized bi-cone acoustic vector-sensor array (BCAVSA) and propose a frequency invariant beamforming method for the BCAVSA, inspired by the Ormia ochracea’s coupling ears and harmonic nesting.
Erzheng Fang +3 more
doaj +2 more sources
Modified Particle Filtering Algorithm for Single Acoustic Vector Sensor DOA Tracking [PDF]
The conventional direction of arrival (DOA) estimation algorithm with static sources assumption usually estimates the source angles of two adjacent moments independently and the correlation of the moments is not considered.
Xinbo Li +4 more
doaj +2 more sources
Acoustic Vector Sensor-Based UAV Sound Source Localization via Covariance Enhancement and Confidence Guidance Tracking [PDF]
Unauthorized unmanned aerial vehicle (UAV) intrusions in sensitive areas such as airports have made accurate UAV detection and localization a pressing need.
Jiayu Hou, Tianlun He, Da Chen
doaj +2 more sources
An Improved Azimuth Angle Estimation Method with a Single Acoustic Vector Sensor Based on an Active Sonar Detection System [PDF]
In this paper, an improved azimuth angle estimation method with a single acoustic vector sensor (AVS) is proposed based on matched filtering theory. The proposed method is mainly applied in an active sonar detection system.
Anbang Zhao, Lin Ma, Xuefei Ma, Juan Hui
doaj +2 more sources
A monolithic three-dimensional thermal convective acoustic vector sensor with acoustic-transparent heat sink [PDF]
An acoustic vector sensor can directly detect acoustic particle velocity based on the measured temperature difference between closely spaced heated wires.
Xiang-Yuan Xu +8 more
doaj +1 more source

