... circular picth error 周节误差 circular piston source 圆形活塞声源 circular pit 圆纹孔 ...
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... 圆形画景 cyclorama 圆形活塞源 circular piston source 圆形基础 circular foundation ...
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circular piston sound source 圆形活塞声源
built-up circular piston sound source 组合圆形活塞声源
A built-up circular piston sound source is established in this paper. The directivity formula of its far field is obtained, and its validity is simulated.
依据本文构造的组合圆形活塞声源，导出了该声源远场指向性公式，并对其正确性和有效性进行了仿真研究。
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