Pave Way for Practical Engineering Applications of Active-passive Mufflers

Performances of active noise control are related to parameters of controller and configurations of muffler and pipe. Recently, researchers from the Institute of Acoustics (IOA) of the Chinese Academy of Sciences have investigated the influenc...

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An Accurate Model to Analyze 2D Surface Acoustic Wave Piezoelectric Phononic Crystals at Radio Frequency

In order to analyze the propagation of surface acoustic waves in the 2D piezoelectric phononic crystals in radio frequency range, researchers from the Institute of Acoustics of the Chinese Academy of Sciences have presented the finite differe...

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Good Prospect for the Application of Backing Material in Broadband Ultrasonic Transducer

Recently, researchers from the Institute of Acoustics (IOA) of the Chinese Academy of Sciences have made a solid foundation and created good prospect for the application of backing material in broadband ultrasonic transducer.

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Design Microphone Array Based on Biomimetic Coupled Circuit to Find Sound Source Localization

In recent days, to find sound source localization, researchers from the Institute of Acoustics (IOA) of the Chinese Academy of Sciences have designed a miniature two-microphone array based on the coupled circuit. This design is inspired by th...

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An Improved Wavelet Based Shock Wave Detector Shows Superiority

Researchers from the Institute of Acoustics of the Chinese Academy of Sciences and the Department of Electrical and Computer Engineering of the Ryerson University (Toronto) formulate the shock wave detection problem as a detection problem in ...

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