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本文对多边形稀土换能器作了理论分析并给出了实验结果.实验结果表明:多边形稀土换能器在低频段可辐射出较大的声功率,其中C-Ⅲ型换能器的谐振频率为790Hz.声源级可达191.OdB,发射电声效率为27.1%.
In this paper, the theoretical analysis of polygonal rare earth transducer is made and the experimental results are given.The experimental results show that the polygon rare earth transducer can radiate a large acoustic power at low frequency, of which C-Ⅲ transducer resonant frequency For 790Hz. Sound source level up to 191.OdB, launch electroacoustic efficiency of 27.1%.