It is a nondestructive, non-contact and real-time technique, and has important status in nondestructive damage evaluation.

This system apply dada conversion technique, data communication technique, nonlinear regression technique, new DSPs, real-time technique and the method of OOP. The system has a good stability,...

This article demonstrates a technique that you can use to see who is online in your Web application and allow real-time interaction among your users.