A Ramos, JL San Emeterio, PT Sanz - Ultrasonics, 2000 - Elsevier
Acoustic performance in ultrasonic transmitters can be improved by means of a suitable electrical driving response and matching/tuning networks. It is important to predict this …
JL San Emeterio, A Ramos, PT Sanz, A Ruız, A Azbaid - Ultrasonics, 2004 - Elsevier
Ultrasonic NDT applications are frequently based on the spike excitation of piezoelectric transducers by means of efficient pulsers which usually include a power switching device …
PT Sanz, A Ramos, JLS Emeterio - Ferroelectrics, 1999 - Taylor & Francis
Piezoelectric ultrasonic transducers usually present a relatively low input electrical impedance at high frequencies, as well as a strong reactive character, making it difficult to …
JL San Emeterio, A Azbaid, A Ramos - Ferroelectrics, 2005 - Taylor & Francis
A global model for the pulsed ultrasonic responses of piezoelectric probes is presented. It allows the evaluation of transducers electrical impedance, transfer functions, impulse …
A Ramos, JL San Emeterio… - IEEE transactions on …, 2000 - ieeexplore.ieee.org
NDE ultrasonic applications for quality control purposes, based on piezoelectric devices working as pulsed ultrasonic probes, usually include some tuning circuit either across the …
A Ramos, A Ruiz, JL San Emeterio, PT Sanz - Ultrasonics, 2006 - Elsevier
A new global circuital model is proposed taking into account some piezoelectric and electronic non-ideal aspects of the broadband ultrasonic transceivers used in NDT and …
A Ruíz, M Hernandez, A Jimenez, A Sotomayor… - …, 2002 - Taylor & Francis
Commercial ultrasonic equipment employing wideband piezoelectric transduction systems, usually operate in through-transmission (TT) or pulseecho mode. These systems, which …
R Marklein, KJ Langenberg, G Hübschen… - AIP Conference …, 2000 - pubs.aip.org
In principle, apart from laser generated ultrasound, two types of transducers, electromagnetic acoustic transducers (EMAT) and piezoelectric transducers, are applied in …
The signal-to-noise ratios (SNR) of ultrasonic imaging and non-destructive evaluation (NDE) applications can be greatly improved by driving each piezoelectric transducer (single or in …