Analysis of nonlinear behaviour of loudspeakers using Hilbert-Huang transform;
扬声器非线性特性的Hilbert-Huang变换分析
The speakers which are fit for the two applications respectively are studied.
对手机声学腔体中最常见的2种应用模式:封闭式后腔与开放式后腔设计以及适合于这2种应用的扬声器进行了研究,同时对阻尼网的作用进行了探讨。
Proposes the method that lets VCO regard as signal source,multiplier and integrator regard as PLL feedback network, and it can achieve quick automatic measure about resonant frequency of speaker The system is useful to producer of speake
提出用压控振荡器作为信号源 ,乘法器和积分器作为锁相环反馈网络的方法 ,来实现扬声器谐振频率的快速自动测试。