JASA – Recently Published

• Sound from rotors in non-uniform flow April 9, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page 2205-2210, April 2020. An analysis is presented for the evaluation of the acoustic field of a rotating source in a non-uniform potential flow. Other than the restriction to low flow Mach numbers, the method is exact and general. The variation in radiation […]
  Michael Carley
• Shape optimization of acoustic horns using the multimodal method April 9, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page EL326-EL332, April 2020. This paper presents a method for the shape optimization of an acoustic horn with respect to the impedance matching property based on the discrete multimodal method. The method models the horn as a series of short cylinders and takes […]
  Hao Dong
• Analysis of a wooden specimen's mechanical properties through acoustic measurements in the very near field April 9, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page EL320-EL325, April 2020. This paper presents the method for prediction of some basic mechanical parameters of a wood specimen by using simple instrumentation. The standard acoustic method for assessment of modulus of elasticity using the impulse excitation is extended by using a […]
  Filip Pantelić
• Sparsity-driven adaptive enhancement of underwater acoustic tonals for passive sonars April 7, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page 2192-2204, April 2020. Acoustic tonals, radiated by underwater and surface vehicles, are an important feature for passive sonar detection. An adaptive line enhancer (ALE) is usually employed in passive sonar systems as a preprocessing step to enhance the acoustic tonals from these […]
  Yu Hao
• Block-sparse two-dimensional off-grid beamforming with arbitrary planar array geometry April 6, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page 2184-2191, April 2020. For a sound field observed on a planar sensor array, compressive sensing (CS) reconstructs the two-dimensional (2D) direction-of-arrival (DOA) of multiple sources using a sparsity constraint. Conventional compressive beamforming methods suffer from grid mismatch, where true DOAs do not […]
  Yongsung Park
• Acoustic radiation torque exerted on a subwavelength spheroidal particle by a traveling and standing plane wave April 6, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page 2177-2183, April 2020. The nonlinear interaction of ultrasonic waves with a nonspherical particle may give rise to the acoustic radiation torque on the particle. This phenomenon is investigated here considering a rigid prolate spheroidal particle of subwavelength dimensions that is much smaller […]
  José P. Leão-Neto
• Extrapolating Green's functions using the waveguide invariant theory April 3, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page 2150-2158, April 2020. The broadband interference structure of sound propagation in a waveguide can be described by the waveguide invariant, β, that manifests itself as striations in the frequency-range plane. At any given range (r), there is a striation pattern in frequency […]
  H. C. Song
• Source localization in the deep ocean using a convolutional neural network April 3, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page EL314-EL319, April 2020. In deep-sea source localization, some of the existing methods only estimate the source range, while the others produce large errors in distance estimation when estimating both the range and depth. Here, a convolutional neural network-based method with high accuracy […]
  Wenxu Liu
• Production-perception relationship of Mandarin tones as revealed by critical perceptual cues April 3, 2020
  The Journal of the Acoustical Society of America, Volume 147, Issue 4, Page EL301-EL306, April 2020. The relationship of lexical tone production and perception has not been well studied. Using Mandarin tone, this research tests the hypothesis that a production-perception link is revealed by critical perceptual cues. The critical status of perceptual tonal cues was […]
  Keith K. W. Leung