R. Queirós

A multi-frequency method for ultrasonic ranging.

P. Silva Girão, R. Queiros, F. Corrêa Alegria, 2015, Ultrasonics.

Cross-Correlation and Sine-Fitting Techniques for High Resolution Ultrasonic Ranging

Francisco André Corrêa Alegria, A. Cruz Serra, Pedro Silva Girão, 2010, 2006 IEEE Instrumentation and Measurement Technology Conference Proceedings.

Cross-Correlation and Sine-Fitting Techniques for High-Resolution Ultrasonic Ranging

P. Girão, A. Serra, R. Queiros, 2006, IEEE Transactions on Instrumentation and Measurement.

Xviii Imeko World Congress Metrology for a Sustainable Development a New Method for High Resolution Ultrasonic Ranging in Air

R. C. Martins, P. Girão, A. Serra, 2022 .