With the rapid advancement of tracking technologies, the applications of tracking systems in
ultrasound imaging have expanded across a wide range of fields. In this review article, we …

This paper describes the development and implementation of a robust high-accuracy
ultrasonic indoor positioning system (UIPS). The UIPS consists of several wireless ultrasonic …

Acoustic tomography is a technique widely used in nonintrusive temperature measurement.
The time of flight (TOF) of acoustic waves can be used to estimate the temperatures of a …

This paper describes the TELIAMADE system, a new indoor positioning system based on
time-of-flight (TOF) of ultrasonic signal to estimate the distance between a receiver node and …

Airborne ultrasonic ranging is used in a variety of different engineering applications for
which other positional metrology techniques cannot be used, for example in closed-cell …

This paper presents a combination of two techniques for high-resolution ultrasonic distance
measurements in air. The first is the cross correlation between transmitted and received …

This paper presents a novel method for ultrasonic range estimation. The method uses a
wideband frequency-hop spread spectrum ultrasonic signal to increase robustness to noise …

This paper aims to develop a high-precision detection approach for catenary geometry
parameters of electrical railway based on vision technology. The novel idea of the proposed …

Digital signal processing techniques for obtaining high accuracy in ultrasonic distance
measurements are presented. The proposed methodologies employ a suitable time …

This work proposes a new positioning method based on multiple ultrasonic sensors for the
autonomous mobile robot. Unlike the conventional ultrasonic positioning methods, this new …