... unification 统一，一致，联合 unilateral transducer 单向换能器，单向传感器 union ①结合，联合 ②协会 union joint 连接头，连结器接头 ...
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在其上表面光刻两个单相单向换能器(SinglePhaseUnidirectionalTransducer，SPUDT)，构成低损耗延迟线型传感器，传感器结构采用单基片双路延迟线结构。 2.
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...不可容许的地步,因此必须加以抑制,本文讨论了分别采用同相位法;声表面波单相单向换能器(Single Phase Unidirectional Transducer,SPUDT)来消除三次行程信号的影响。
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... unifiction 统一,一致,结合 unilterl trnsducer 单向换能器,单向传感器 union ①结合,结合 ②协会 ...
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本文讨论三相单向换能器等效电路模型和制作调整。
An equivalent circuit model of these 3-phase unidirectional transducers is discussed as well as their adjustment and fabrication.
三相单向换能器具有损耗小，带宽大(30%)等优点，但是这种换能器的调整较困难。
SAW 3-phase unidirectional transducers offering advantages of. low loss and wide bandwidth (30%) have great difficulty in adjustment.
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.
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