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

Software manipulations to speed up a real-valued fast Fourier transform algorithm.

B Lütkenhöner1, B Ross

  • 1Institute of Experimental Audiology, University of Münster, F.R.G.

Computer Methods and Programs in Biomedicine
|June 1, 1989
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

From admissions to licensure: education data associations from a multi-centre undergraduate medical education collaboration.

Advances in health sciences education : theory and practice·2024
Same author

Abstracts of presentations to the Annual Meetings of the Canadian Society of Colon and Rectal Surgeons Canadian Association of General Surgeons Canadian Association of Thoracic Surgeons: Canadian Surgery Forum, Toronto, Ont., September 6-9, 2007.

Canadian journal of surgery. Journal canadien de chirurgie·2023
Same author

Hypoxic and Complement-Induced Lung Injury in the Isolated Perfused Rat Lung as Determined by Phosphorous-31 Nuclear Magnetic Resonance.

International archives of allergy and immunology·2021
Same author

[Recommendations for Performing Bronchoscopy in Times of the COVID-19 Pandemic - Update 12/2020].

Pneumologie (Stuttgart, Germany)·2020
Same author

[Recommendations for Performing Bronchoscopy in Times of the COVID-19 Pandemic].

Pneumologie (Stuttgart, Germany)·2020
Same author

Peripartum interventions resulting in reduced perinatal mortality rates, and birth asphyxia rates, over 18 years in a tertiary centre in South India: a retrospective study.

BJOG : an international journal of obstetrics and gynaecology·2019
Same journal

SynTME: A tumor microenvironment-aware, pharmacology-inspired multi-stage framework for drug synergy prediction.

Computer methods and programs in biomedicine·2026
Same journal

MMFVS-Net: A triple-symmetric cross-attention network for multimodal optical image fusion and high-accuracy virtual staining of breast cancer tissues.

Computer methods and programs in biomedicine·2026
Same journal

A novel Milstein-stochastic epidemiologically-informed neural network for approaching epidemic dynamics: Application to Mpox disease.

Computer methods and programs in biomedicine·2026
Same journal

Accounting for approximation errors using surrogate-based parameter estimation of cardiac mechanics digital twins.

Computer methods and programs in biomedicine·2026
Same journal

Facial iPPG heatmap patterns based on period-aware autoencoder show association with carotid atherosclerosis towards non-contact hemodynamic assessment.

Computer methods and programs in biomedicine·2026
Same journal

Explainable machine learning models predict liver fibrosis risk and outcome in the general population: Development and multi-cohort external validation.

Computer methods and programs in biomedicine·2026
See all related articles

A new programming technique significantly speeds up the real-valued fast Fourier transform (RFFT) algorithm by eliminating computational overhead. This optimization can reduce execution time by up to five times, benefiting real-time applications.

Area of Science:

  • Digital Signal Processing
  • Computer Science Algorithms

Background:

  • The real-valued fast Fourier transform (RFFT) is a computationally intensive algorithm.
  • Existing RFFT implementations often involve overhead from loops and data management.

Purpose of the Study:

  • To present a programming technique for optimizing RFFT algorithms.
  • To demonstrate significant speed improvements in RFFT computations.

Main Methods:

  • Developed a programming approach that avoids loops, subscript evaluations, data exchanges, and logical operations.
  • Implemented and tested the optimized RFFT algorithm on various computer systems.

Main Results:

  • The optimized RFFT program runs considerably faster than the original algorithm.

Related Experiment Videos

  • Execution time reductions ranged from 1.8 to 5 times, depending on the system and RFFT length.
  • The technique is applicable to other algorithms like complex-valued FFT and correlation.

    • Conclusions:

    • The described programming technique offers substantial performance gains for RFFT.
    • This optimization is particularly valuable for real-time systems and high-volume RFFT tasks.
    • The method provides a pathway for accelerating related signal processing algorithms.