Based on the mixed transfer matrix method,the four-pole element de- scription of the Langevin transducer is built up and the total transfer matrix relation is de- rived.

The PZT 95/5 ferroelectric ceramics with niobium doped was assembled into the shock-activated energy transducer.

Design of downhole multipole acoustic transducer transmitter with high power;

Analyses on the transducer of SBT sonic logging tool;

Detection method and principle analysis of the transducer for acoustic logging tools;

Study of effective multi-transducer sonochemical reactor for waste water treatment;

This paper analyzes the design theory of low - frequency piezoelectricity energy converter in the application of sonic logging, and clarifies that bending vibration mode is an effective method to reduce the energy converter frequency of conventional sonic logging.

The resonant frequency is an important parameter of the energy converter of the piezoelectric ceramic ultrasonic waves.

Piezoelectric Thin Film Ultrasonic Transducers Used in High Temperature Nondestructive Testing;

Research of making dynamic model of giant magnetostrictive transducers;

Detection of frequency response of cylindrical ultrasonic transducers using laser ultrasonic technique;