直到1965 年，加州柏开莱大学的两位教授White 和Voltmer 利用指叉换能器（Interdigital Transducers，IDTs）在压电基板-石英上激发 SAW [43] 后更加引起人们对表面声波器件的关注。
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...com豆丁网 面波与压电性质早在 19 世纪就已经知道，然而到了 1965 年由 White 和 Voltmer 将梳状电极(Interdigital Transducer，IDT)做在压电材料上，产生表面波，开始了表面声波元件应用于通 信领域上[4]。
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interdigital transducer idt 叉指换能器
saw interdigital transducer 表面波叉指换能器
dispersive interdigital transducer 色散换能器
surface wave interdigital transducer 表面波叉指换能器
There are five chapters in this thesis, and mean points are as follow:Chapter One: The SAW technology and its application are introduced. Two basicstructures used in this research are interdigital transducer and multi-stripe coupler.
本论文共分五章，各章的主要内容如下：第一章中，综述了声表面波技术的基本概念和特性；然后重点介绍了SAW器件中两种最基本的结构：叉指换能器和多条耦合器。
参考来源 - 双频输入耦合结构集成声路——可编程声表面波滤波器结构研究The acoustic radiation module of function in the interdigital transducer (IDT) is introduced. Its principle and characteristic are analyzed.
建立了叉指换能器的函数声辐射模型，分析了它的工作原理及特点。
参考来源 - 无源无线声表面波传感器及仪器系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
SAW excited by input interdigital transducer is divided centrosymmetrically into two paths detected by their output interdigital transducer.
它将输入叉指换能器激发的SAW中心对称分成两路并由各自的输出叉指换能器检测输出。
On the basis of SAW technology, this thesis designs a SAW humidity sensor. Include the design of IDT (interdigital transducer), the thin film as well as the frequency measurement system.
在对SAW传感器技术进行研究的基础上，本文设计了一个SAW湿度传感器，包括IDT(叉指换能器)的设计、薄膜的设计以及频率测量系统的设计。
To solve these problems, the properties of Lamb wave excited by interdigital transducer in the piezoelectric substrate covered by liquid were studied based on its piezoelectricity and anisotropy.
在考虑晶体的压电性和各向异性基础上，从声的波动理论出发，对叉指换能器在液体-压电晶片界面上兰姆波的激发理论及其性质进行了研究。
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