Its size was effectively decreased by a sub wavelength resonancecavity.
以异性材料为基底的亚波长谐振腔结构有效降低了天线体积。
2
The second-order harmonic can change the Normalized Impedance of the resonancecavity, and cause the distortion of Frequency Response;
二次谐波可使谐振腔归一化阻抗发生变化，导致强声发生器频率响应曲线失真；
3
The paper analyses the action method, disturbance wave property and excitation condition of hydraulic independent excitation and theoretical model of fluid flow property in resonancecavity.