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Diffraction Loss of the Signal in Microwave Acoustic Delay Lines with Multielement Piezoelectric Transducers

机译:带有多元件压电换能器的微波声延迟线中信号的衍射损耗

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摘要

On the basis of the Green's function, a method for calculation of diffraction fields in multielement piezoelectric transducers used in anisotropic crystal acoustic ducts is developed. The results of the numerical analysis of diffraction fields, which are created by multielement piezoelectric transducers on the face of the acoustic duct, are given together with the results of calculation of the diffraction loss of the main signal and the triple and quintuple transit echoes in an acoustic delay line of the microwave signal, which operates in the direct mode. The dependences of the diffraction loss on the angle between the crystallographic axis and the geometrical axis of the acoustic duct are studied.
机译:在格林函数的基础上,发展了一种各向异性晶体声波导管中使用的多元件压电换能器中衍射场的计算方法。给出了由声波导管表面上的多元件压电换能器产生的衍射场的数值分析结果,以及计算主信号的衍射损耗以及三声和五重瞬态回波的衍射结果。微波信号的声学延迟线,以直接模式运行。研究了衍射损耗对声波导管的晶体学轴与几何轴之间夹角的依赖性。

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    Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences (Saratov Branch),ul. Zelenaya 38, Saratov, 410019 Russia;

    Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences (Saratov Branch),ul. Zelenaya 38, Saratov, 410019 Russia;

    Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences,ul. Mokhovaya 11, str. 7, Moscow, 125009 Russia;

    Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences (Saratov Branch),ul. Zelenaya 38, Saratov, 410019 Russia;

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