Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Evaluation of a PET Insert for Trimodal Imaging: A Step Toward PET/MRI-Guided Focused Ultrasound.

IEEE transactions on radiation and plasma medical sciences·2026
Same author

Evaluating the impact of the learning curve on the perioperative outcomes of robot-assisted radical cystectomy with intracorporeal urinary diversion.

Actas urologicas espanolas·2021
Same author

Evaluating the impact of the learning curve on the perioperative outcomes of robot-assisted radical cystectomy with intracorporeal urinary diversion.

Actas urologicas espanolas·2021
Same author

Current status of genetic urinary biomarkers for surveillance of non-muscle invasive bladder cancer: a systematic review.

BMC urology·2020
Same author

Frailty, Falls and Osteoporosis: Learning in Elderly Patients Using a Theatrical Performance in the Classroom.

The journal of nutrition, health & aging·2019
Same author

A comparative study of different surgical techniques for the management of distal ureter during laparoscopic radical nephroureterectomy.

Actas urologicas espanolas·2019

Related Experiment Video

Updated: Apr 1, 2026

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

4.0K

Optimized ultrasonic attenuation measures for non-homogeneous materials.

V Genovés1, J Gosálbez2, A Carrión2

  • 1ICITECH, Universitat Politècnica de València, Camino de Vera, s/n 46022 Valencia, Spain.

Ultrasonics
|October 4, 2015
PubMed
Summary
This summary is machine-generated.

This study explores ultrasonic attenuation in heterogeneous materials. Chirp signals offer an efficient method for accurate frequency-dependent attenuation measurements, especially in highly attenuating materials, minimizing measurement time.

Keywords:
AttenuationChirp signalConcreteFrequency sweepUltrasonics

More Related Videos

Ultrasound Velocity Measurement in a Liquid Metal Electrode
08:41

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

12.3K
Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

1.8K

Related Experiment Videos

Last Updated: Apr 1, 2026

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

4.0K
Ultrasound Velocity Measurement in a Liquid Metal Electrode
08:41

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

12.3K
Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

1.8K

Area of Science:

  • Materials Science
  • Acoustics
  • Non-destructive Testing

Background:

  • Accurate measurement of frequency-dependent ultrasonic attenuation is crucial for characterizing strongly heterogeneous materials.
  • Traditional methods using narrowband signals require extensive measurements, limiting efficiency.
  • Broadband signals offer potential for faster characterization but face challenges with signal-to-noise ratio (SNR).

Purpose of the Study:

  • To investigate and compare different ultrasonic excitation techniques for measuring frequency-dependent attenuation in heterogeneous materials.
  • To identify optimal signal types and configurations for maximizing accuracy and minimizing measurement time.
  • To propose solutions for improving sensitivity in highly attenuating materials.

Main Methods:

  • Mathematical analysis of narrowband (sinusoidal, burst) and broadband (linear swept-frequency or chirp) signals.
  • Evaluation of signal spectral energy distribution and noise immunity.
  • Analysis of signal-to-noise ratio (SNR) and measurement efficiency for different signal types.
  • Proposal of modified chirp signal configurations for enhanced energy injection.

Main Results:

  • Sinusoidal and burst signals offer higher SNRs but require multiple measurements.
  • Linear swept-frequency (chirp) signals provide wide frequency coverage in a single measurement with comparable accuracy but lower SNR.
  • Modified chirp signal configurations can enhance energy injection, improving sensitivity for highly attenuating materials.
  • Optimal estimation of frequency-dependent attenuation is achievable with broadband signals and appropriate signal processing, minimizing measurement time.

Conclusions:

  • Chirp signals are highly effective for rapid and accurate frequency-dependent ultrasonic attenuation measurements in heterogeneous materials.
  • Optimized chirp signal configurations enhance measurement sensitivity, particularly for challenging, highly attenuating materials.
  • The combination of broadband signals and advanced signal processing represents an optimal approach for efficient material characterization.