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

Equivalent circuit for birdcage resonators

M D Harpen1

  • 1University of South Alabama, Department of Radiology, Mobile 36617.

Magnetic Resonance in Medicine
|February 1, 1993
PubMed
Summary
This summary is machine-generated.

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

Partial wave analysis of the ultrasound comet tail artifact.

Medical physics·2000
Same author

A simple theorem relating noise and patient dose in computed tomography.

Medical physics·1999
Same author

ACR standard for luminance and illuminance. American College of Radiology.

AJR. American journal of roentgenology·1999
Same author

A computer simulation of wavelet noise reduction in computed tomography.

Medical physics·1999
Same author

An introduction to wavelet theory and application for the radiological physicist.

Medical physics·1998
Same author

Dynamic magnetic resonance imaging in evaluating suspicious breast lesions: correlation with pathologic findings.

Southern medical journal·1998

This study introduces an equivalent circuit analysis for birdcage resonators with lossy samples. The model accurately predicts resonator performance, validated by experimental measurements.

Area of Science:

  • Magnetic Resonance Imaging
  • Electrical Engineering
  • Electromagnetics

Background:

  • Birdcage resonators are crucial in Magnetic Resonance Imaging (MRI).
  • Accurate modeling of resonators, especially with lossy samples, is essential for optimizing MRI performance.
  • Existing models may not fully capture the behavior of resonators under realistic loading conditions.

Purpose of the Study:

  • To develop an equivalent circuit analysis for low-pass and high-pass birdcage resonators.
  • To generalize the method of Hoult and Lauterbur for circuit component value derivation.
  • To validate the proposed model through experimental measurements.

Main Methods:

  • Equivalent circuit analysis applied to birdcage resonators.
  • Derivation of circuit component values using principles of electrodynamics.

Related Experiment Videos

  • Experimental measurements of resonance spectra, quality factors, and feed point impedances.

    • Main Results:

    • The proposed equivalent circuit model accurately describes birdcage resonators with lossy samples.
    • Predicted resonance spectra, quality factors, and impedances align with experimental data.
    • The generalized method provides a robust framework for resonator analysis.

    Conclusions:

    • The developed equivalent circuit analysis offers a reliable method for understanding birdcage resonator behavior.
    • The model's agreement with experimental results validates its predictive power.
    • This work contributes to the advancement of MRI hardware design and performance optimization.