The equal loudness control electric circuit is improved on the base of analysing the equal loudness control electric circuit of RC frequency compensate. 在分析RC频率补偿等响度控制电路基础上对电路进行改进并进行比较。
The results provide theoretical model and a forecasting method for the controlling of the structural sound loudness by stiffeners. A new research filed, active control of structural sound quality, is prompted. 研究结果为通过加强筋控制板结构辐射声响度提供了理论模型和预测方法。
Basing on the radiation modes, the sound loudness model is developed for the active loudness control. According to the radiation modes and the developed sound loudness model, an active loudness control strategy is prompted. 利用声辐射模态理论,建立了适用于主动控制的辐射声响度模型,并据此提出了一种声响度主动控制策略。
By comparing the different boundary conditions on the edge of the plate, the effects of the boundary conditions on the active sound loudness control are also illustrated. The calculation results show that the radiated sound loudness is effectively controlled by the strategy. 利用四种具有不同边界条件的矩形板结构,通过其辐射声响度计算结果,验证了该控制策略的有效性,并分析了不同边界条件对在同种控制策略表现在结果上的差异。
The active loudness control of the sound radiated from the rectangular plates is studied. 研究了适用于结构辐射声响度的主动控制策略。