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.
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.
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.
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