The technology of matchinglayer transducer is an efficient method in middle-high frequency among many methods of broaden the frequency of transducers.
在众多拓宽换能器频带的方法中，匹配层宽带换能器技术在中高频段是一种较为行之有效的方法。
2
The experiment showed that matchinglayer plays an important role in absorption ratio, its EM parameters should be controlled to realize good absorption.
实验表明，匹配层对提高吸收率起着重要作用；需精确控制其吸波剂含量，以实现吸波效果。
3
The piezoceramic round disc, the matchinglayer for air, the perfusion layer, the casing and the shielding layer adopt a central rotational symmetry structure.