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

Generalized sidelobe canceller beamforming method for ultrasound imaging.

Ping Wang1, Na Li1, Han-Wu Luo2

  • 1State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing University, Chongqing, China.

The Journal of the Acoustical Society of America
|April 5, 2017
PubMed
Summary

A novel Interferometric Generalized Sidelobe Canceller (IGSC) algorithm improves spatial resolution and noise robustness. This enhanced beamforming technique offers superior performance over traditional methods in signal processing applications.

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

Sparse dictionary for synthetic transmit aperture medical ultrasound imaging.

The Journal of the Acoustical Society of America·2017
Same author

[BK(Ca) channel agonist NS1619 and Kv channel antagonist 4-AP on the facial mechanical pain threshold in a rat model of chronic constriction injury of the infraorbital nerve].

Sheng li xue bao : [Acta physiologica Sinica]·2010
Same author

[Comparison of six detection methods for classical swine fever virus].

Wei sheng wu xue bao = Acta microbiologica Sinica·2010
Same author

The microRNA miR-182 is induced by IL-2 and promotes clonal expansion of activated helper T lymphocytes.

Nature immunology·2010
Same author

Associations of SNPs in ADIPOQ and subclinical cardiovascular disease in the multi-ethnic study of atherosclerosis (MESA).

Obesity (Silver Spring, Md.)·2010
Same author

Resolvin E1 improves tear production and decreases inflammation in a dry eye mouse model.

Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics·2010

Area of Science:

  • Signal Processing
  • Array Signal Processing
  • Adaptive Filtering

Background:

  • Traditional Generalized Sidelobe Canceller (GSC) methods face limitations in resolution and noise robustness.
  • The GSC algorithm divides the weighting vector into adaptive and non-adaptive components, where the non-adaptive part may not fully suppress the desired signal.

Purpose of the Study:

  • To introduce a modified Generalized Sidelobe Canceller (IGSC) algorithm.
  • To enhance spatial resolution and robustness against noise compared to existing GSC and GSC-CF methods.

Main Methods:

  • A modified steer vector is generated by projecting the non-adaptive vector onto the signal space derived from the received data's covariance matrix.
  • The blocking matrix is constructed using the orthogonal complementary space of the modified steer vector.

Related Experiment Videos

  • The weighting vector is updated iteratively.

    • Main Results:

    • Simulations demonstrate that IGSC achieves a spatial resolution improvement of 0.1 mm over GSC-CF, irrespective of noise levels.
    • IGSC also shows superior contrast ratio performance compared to GSC-CF.
    • Further enhancement of IGSC performance is possible by integrating the coherence factor (CF).

    Conclusions:

    • The proposed IGSC algorithm offers enhanced spatial resolution and noise robustness in signal processing.
    • Experimental validation using a dataset from the University of Michigan confirms the algorithm's effectiveness.
    • The IGSC algorithm presents a significant advancement in beamforming techniques.