phase velocity

Mathematical and digital models to study the long line switching processes with regard to their basic parameters are developed, providing the required adequate modeling.

The excitation of bulk acoustic waves of the UHF range by interdigital transducer from the XY surface of lithium niobate crystals is considered. Experimental studies were carried out on acoustoelectronic delay lines, in which interdigital transducers were used during excitation and receiving acoustic waves. It is established that the electromagnetic wave delayed on the interdigital transducer causes a bulk acoustic wave, the structure of which contains a set of spatial harmonics.