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利用圆形平面活塞的方向性特性理论设计声反射罩，研究了换能器声反射系统方向特性。实验表明，理论计算与测量值一致。
The acoustic reflector was designed based on the directional property of a circular planar piston, and the directional characteristics of the transducer acoustic reflection system were studied. Experiments show that the theoretical calculation is consistent with the measured value.