Characteristics of a high power ultrasonic array transmitter in air

Sahdev Kumar, Wei Quan, H. Furuhashi
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引用次数: 3

Abstract

A high-power ultrasonic array transmitter with 144 transmitting elements for 3D measurements in air has been developed. The sound pressure level of 126 dB was obtained at a distance of 5 m in the air with an ultrasonic frequency of 40 kHz. This value is approximately 32 dB higher than that obtained using a single transmitting element. The characteristics of the array transmitter were studied and compared with simulation results. The experimental results were in good agreement with the simulation results.
空气中高功率超声阵列发射机的特性
研制了一种具有144个发射单元的高功率超声阵列发射机,用于空气中三维测量。超声波频率为40 kHz,在空气中距离5 m处获得了126 dB的声压级。该值比使用单个发射元件获得的值高约32 dB。研究了阵列发射机的特性,并与仿真结果进行了比较。实验结果与仿真结果吻合较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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