Broadband 3-D sonar system using a sparse array for indoor navigation

J Steckel, A Boen, H Peremans - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Array beamforming techniques allow for the generation of 3-D spatial filters which can be
used to localize objects in a large field of view (FOV) without the need for mechanical …

[КНИГА][B] Sonar systems

N Kolev - 2011 - books.google.com
The book is an edited collection of research articles covering the current state of sonar
systems, the signal processing methods and their applications prepared by experts in the …

Capacitive micromachined ultrasonic transducers with diffraction-based integrated optical displacement detection

NA Hall, W Lee, FL Degertekin - IEEE transactions on …, 2003 - ieeexplore.ieee.org
Capacitive detection limits the performance of capacitive micromachined ultrasonic
transducers (CMUTs) by providing poor sensitivity below megahertz frequencies and limiting …

Recent applications and numerical implementation of quasi-Newton methods for solving nonlinear systems of equations

R Pérez, VLR Lopes - Numerical Algorithms, 2004 - Springer
This paper presents a survey on recent applications of quasi-Newton methods to solve
nonlinear systems of equations which appear in applied areas such as physics, biology …

Localization of object edges in arbitrary spatial positions based on ultrasonic data

P Krammer, H Schweinzer - IEEE Sensors Journal, 2006 - ieeexplore.ieee.org
In mobile robotics, ultrasonic sensors became standard devices for collision avoiding.
Moreover, their applicability for map building and navigation has exploited in recent years …

Estimation of rotation measurement error of objects using computer simulation

EV Shmatko, NY Sivov… - 2023 5th International …, 2023 - ieeexplore.ieee.org
In optical instrumentation, one of the tasks is to estimate the instrumental error of existing
and develo** measurement systems. There are two main approaches to solving this …

Automatic ultrasonic inspection of flaws in a propeller-blade

XB Li, HW Hu, Y Yang, PJ Ni, C Yang - Nondestructive Testing and …, 2010 - Taylor & Francis
Ultrasonic technique is very promising for non destructive inspection. In this paper, a method
is presented on automatic ultrasonic inspection of defects in a propeller-blade without …

An airborne ultrasonic imaging system based on 16 elements: 150 khz piezopolymer transducer arrays—preliminary simulated and experimental results for cylindrical …

L Capineri, A Bulletti, M Calzolai, P Giannelli - Sensing and Imaging, 2016 - Springer
This paper describes the design and fabrication of a 16-element transducer array for
airborne ultrasonic imaging operating at 150 kHz, that can operate both at close range (50 …

Micromachined acoustic sensor array with diffraction-based optical interferometric detection

W Lee, N Hall, FL Degertekin - MOEMS Display and Imaging …, 2003 - spiedigitallibrary.org
A diffraction-based interferometric optical detection method for micromachined acoustic
sensors can provide better sensitivity as compared to conventional capacitance detection …

[КНИГА][B] Micromachined broadband acoustic transducers with integrated optical displacement detection

NA Hall - 2004 - search.proquest.com
Micromachined broadband acoustic transducers with diffraction-based optical displacement
detection are presented. A compliant membrane is made part of a phase sensitive diffraction …