The quality and degradation state of building materials can be determined by nondestructive
testing (NDT). These materials are composed of a cementitious matrix and particles or …

We consider in this paper the problem of automatic detection of ultrasonic echo pulses in a
grain noise background. We start by assuming a reference model for grain noise …

We have applied ultrasonic nondestructive techniques to gain information about the state of
the first layers of a historical church dome wall. This may help in the restoration of the dome …

In this paper, a novel dynamic filtering method using Gaussian wavelet filters is proposed to
remove noise from ultrasound echo signal. In the proposed method, a mother wavelet is first …

This paper presents an application of ultrasonic signal processing to find parameters related
with physical properties of archaeological ceramic pieces and consolidation products used …

In this paper, a very efficient approach to extend the frequency range over which the allpass-
based digital Hilbert transformers phase difference is kept near constant and to reduce the …

Ultrasonic materials analysis is based on the principle that the propagation of any wave is
affected by the medium through which it travels. Thus, changes in measurable parameters …

In the field of Restoration of historical heritage buildings is important to have non destructive
techniques to evaluate the state of material consolidation. This article presents an …

Para determinar la durabilidad o vida útil de las construcciones de hormigón es necesario
conocer la calidad y el estado de deterioro de los materiales cementicios. A nivel práctico, la …

Much of heritage buildings are made of stone, mortar or brick, and degradation processes
are inevitable. Due to historical and cultural value, non-destructive evaluation techniques …