SAW滤波器的输入叉指换能器(IDT)等值加权，而输出叉指换能器具有修正的汉明窗结构。
The input interdigital transducers (IDTs) in SAW filters are uniformly weighted while the output IDTs have the modified Hamming window structure.
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。
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。
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.
梳状换能器可看成若干叉指单元电端并联，声端首尾串联而成的网络，采用单向结构可降低采用这种结构的声表面波延迟线的损耗。
The comb transducer can be considered as the network of the parallel connection of some units of IDT electrical ports and the series connection of their acoustic ports.
提出了极性抽指加权叉指换能器设计的新方法，克服了传统设计方法的繁杂性。
A new method to design source-withdrawal weighting transducer is presented, which avoids the complexity when using traditional design methods.
实验表明，采用组合式均匀叉指换能器及变形多条耦合器元件可有效提高对陷阱频率的抑制。
The experiments show that suppress at trap frequency can be effectively improved by using composed uniform IDT and modified MSC.
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。
SAW excited by input interdigital transducer is divided centrosymmetrically into two paths detected by their output interdigital transducer.
在声表面波传感器中，特殊叉指换能器构造了无源无线编码器和解码器，它能对众多传感器单元编码。
In the SAW sensor, special Inter-Digital transducer (IDT) on a piezoelectric substrate constructs passive SAW encoding and decoding element. The sensor elements are available to be embe...
在声表面波传感器中，特殊叉指换能器构造了无源无线编码器和解码器，它能对众多传感器单元编码。
In the SAW sensor, special Inter-Digital transducer (IDT) on a piezoelectric substrate constructs passive SAW encoding and decoding element. The sensor elements are available to be embe...
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