Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
利用自驱动、自传感特性的压电陶瓷片，粘贴在外部结构的表面，结合动态阻抗的概念，提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
And the analytic calculation method of the self radiation impedance and mutual radiation impedance of the transducer array is studied.
还研究了基阵中各阵元自辐射阻抗与互辐射阻抗的计算方法。
The method for handling the singularity of the self-impedance element in MoM matrix is also presented.
对矩量法矩阵中自阻抗元素的奇异性处理方法也作了详细介绍。
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