Application of adaptive band-pass filter in ultrasonic inspection based on split-spectrum processing technique;

Study on recognition of corrosion in pipeline based on ultrasonic inspection;

Research of surface reconstruction and path generation by ultrasonic inspection;

Research into the methods for ultrasonic testing of welds for steel- structure truss with connected lines;

Effect of adhesive layer’s thickness on ultrasonic testing of adhesion quality;

Weld defect classification in ultrasonic testing basing on time-frequency discriminant features;

Research of the Basic Theory on Digital Ultrasonic Test;

According to the theories of wavelet packet analysis and artifical immune system, the authors presented a new efficient flaw classification of ultrasonic test system based on the wavelet packet transform and immune system.

These acoustic diagnostic techniques include acoustic tap test, acoustic emission test and ultrasonic inspection and measurement.

Realization of maximum entropy spectrum estimation with DSP in the ultrasonic detection;

Research on Ultrasonic Detection Technique of Flux and Pressure for Hydraulic System;

Design a automatic scanning system for the solder joint's ultrasonic detection