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 Experiment Videos

Modeling ultrasound imaging as a linear, shift-variant system.

James Ng1, Richard Prager, Nick Kingsbury

  • 1Department of Engineering, University of Cambridge, Cambridge, UK. jkhn2@cam.ac.uk

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|March 25, 2006
PubMed
Summary

This study reveals how radio-frequency ultrasound signals result from filtering scatterer fields. It links ultrasound signals to scatterer vector representations, offering new insights into scattering and speckle analysis.

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

Circulating T-cell phenotypes are influenced by prior Staphylococcus aureus exposure in hemodialysis patients.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology·2026
Same author

Surgical outcomes in gallbladder cancer: evidence from the UK nationwide CAPBIL study.

HPB : the official journal of the International Hepato Pancreato Biliary Association·2026
Same author

Cutaneous eruptions associated with human polyomavirus 6 and human polyomavirus 7 in liver transplant recipients: Two case reports.

JAAD case reports·2026
Same author

Adherence to best practice guidelines for the management of intrahepatic cholangiocarcinoma: results from the CAPBIL study.

The British journal of surgery·2026
Same author

Bat Reovirus as Cause of Acute Respiratory Disease and Encephalitis in Humans, Bangladesh, 2022-2023.

Emerging infectious diseases·2026
Same author

Gut infection and dysbiosis are hallmarks of severe SARS-CoV-2 variants.

Npj viruses·2025

Area of Science:

  • Ultrasound physics
  • Acoustic wave propagation
  • Medical imaging signal processing

Background:

  • Radio-frequency (RF) ultrasound signals are crucial for medical imaging.
  • Understanding the relationship between ultrasound signals and scatterer properties is complex.

Purpose of the Study:

  • To provide a unified framework for analyzing RF ultrasound signals.
  • To elucidate the physical consequences of acoustic wave propagation models.
  • To offer new methods for simulating and analyzing speckle statistics.

Main Methods:

  • Solving the acoustic wave equation in inhomogeneous media.
  • Expressing RF ultrasound signals as filtered scatterer fields.
  • Linking RF signals to scatterer vector representations in the complex plane.

Related Experiment Videos

Main Results:

  • The RF ultrasound signal is shown to be a filtered version of the scatterer field.
  • A connection is established between RF signals and scatterer vectors (magnitude and random phase).
  • New insights into monopole and dipole scattering interactions are gained.

Conclusions:

  • A coherent treatment of RF ultrasound signal formation is presented.
  • The study provides techniques for speckle statistics analysis.
  • A novel expression for the normalized covariance of the analytic RF signal is derived.