pressure sensitivity of microphone,传声器声压灵敏度 pressure spectrum level,声压谱级 pressure (step-type)controller,压力（位式）控制器 ..
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推导线性谱声压级、倍频带声压级以及各倍频带声压级之间的转换公式，计算出修正值。
The formulas for the transformation of sound levels between linear spectrum and multiplex frequency band, or among various multiplex frequency bands, are derived and the corrected value is calculated.
计算结果正确预测出近场中低频段的指向性特点和远场声压级水平，与实测谱值有较好的一致性。
It has been verified that the directional characters in near sound field in low and middle frequency bands and the pressure level in far...
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