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

Properties of Fourier Transform II01:24

Properties of Fourier Transform II

The Fourier Transform (FT) is an essential mathematical tool in signal processing, transforming a time-domain signal into its frequency-domain representation. This transformation elucidates the relationship between time and frequency domains through several properties, each revealing unique aspects of signal behavior.
The Frequency Shifting property of Fourier Transforms highlights that a shift in the frequency domain corresponds to a phase shift in the time domain. Mathematically, if x(t) has...
Discrete Fourier Transform01:15

Discrete Fourier Transform

The Discrete Fourier Transform (DFT) is a fundamental tool in signal processing, extending the discrete-time Fourier transform by evaluating discrete signals at uniformly spaced frequency intervals. This transformation converts a finite sequence of time-domain samples into frequency components, each representing complex sinusoids ordered by frequency. The DFT translates these sequences into the frequency domain, effectively indicating the magnitude and phase of each frequency component present...
Properties of Fourier Transform I01:21

Properties of Fourier Transform I

The application of Fourier Transform properties in radio broadcasting is multifaceted, enabling significant advancements in the way signals are transmitted and received. Key areas where these properties are utilized include simultaneous multi-channel transmission, audio clip speed adjustments, live broadcast delays for different time zones, audio frequency adjustments, and signal demodulation.
In radio broadcasting, multiple audio signals often need to be transmitted simultaneously. The Fourier...
Effective Value of a Periodic Waveform01:07

Effective Value of a Periodic Waveform

The concept of effective value, the root mean square (RMS) value, is crucial in understanding electrical circuits and power delivery. This idea emerges from the necessity to measure the effectiveness of a voltage or current source in supplying power to a resistive load.
The effective value of a periodic current represents the direct current (DC) that conveys the same average power to a resistor as the periodic current itself. This concept is crucial when assessing AC circuits. To determine the...
Discrete-Time Fourier Series01:20

Discrete-Time Fourier Series

The Discrete-Time Fourier Series (DTFS) is a fundamental concept in signal processing, serving as the discrete-time counterpart to the continuous-time Fourier series. It allows for the representation and analysis of discrete-time periodic signals in terms of their frequency components. Unlike its continuous counterpart, which utilizes integrals, the calculation of DTFS expansion coefficients involves summations due to the discrete nature of the signal.
For a discrete-time periodic signal x[n]...
Fast Fourier Transform01:10

Fast Fourier Transform

The Fast Fourier Transform (FFT) is a computational algorithm designed to compute the Discrete Fourier Transform (DFT) efficiently. By breaking down the calculations into smaller, manageable sections, the FFT significantly reduces the computational complexity involved. Direct computation of an N-point DFT requires N2 complex multiplications, whereas the FFT algorithm needs only (N/2)log⁔2N multiplications, offering a much faster performance.
The computational efficiency of the FFT becomes...

You might also read

Related Articles

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

Sort by
Same author

[Identification and validation of plasma biomarkers for mild cognitive impairment based on mRNA N<sup>6</sup>-methyladenosine methylome analysis].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhiĀ·2026
Same author

[cfDNA sequencing reveals response heterogeneity to first-line camrelizumab plus chemotherapy in esophageal squamous cell carcinoma].

Zhonghua zhong liu za zhi [Chinese journal of oncology]Ā·2026
Same author

[A cross-sectional survey on uncooked corn starch application and gastrointestinal complications in children with hepatic glycogen storage disease].

Zhonghua er ke za zhi = Chinese journal of pediatricsĀ·2026
Same author

[Clinical evaluation of different ophthalmic optical coherence tomography devices using a retinal biomimetic phantom].

[Zhonghua yan ke za zhi] Chinese journal of ophthalmologyĀ·2026
Same author

[A retrospective analysis of the prognosis of regenerative endodontic treatment for pulp necrosis following dental trauma].

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatologyĀ·2026
Same author

[Comparison of the efficacy and safety of venetoclax plus azacitidine versus D-CAG regimen in the treatment of elderly patients with relapsed or refractory acute myeloid leukemia].

Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhiĀ·2026

Related Experiment Video

Updated: Jun 8, 2026

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180&#176; Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

Two-dimensional optical wavelet transform in space domain and its performance analysis.

D X Wang, J W Tai, Y X Zhang

    Applied Optics
    |October 12, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel optical wavelet transform system using a lenslet array was developed. This system

    More Related Videos

    Optical Scatter Microscopy Based on Two-Dimensional Gabor Filters
    14:58

    Optical Scatter Microscopy Based on Two-Dimensional Gabor Filters

    Published on: June 2, 2010

    Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method
    08:42

    Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

    Published on: September 3, 2021

    Related Experiment Videos

    Last Updated: Jun 8, 2026

    Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180&#176; Curved Artery Test Section
    11:00

    Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

    Published on: July 19, 2016

    Optical Scatter Microscopy Based on Two-Dimensional Gabor Filters
    14:58

    Optical Scatter Microscopy Based on Two-Dimensional Gabor Filters

    Published on: June 2, 2010

    Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method
    08:42

    Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

    Published on: September 3, 2021

    Area of Science:

    • Optics and Photonics
    • Signal Processing

    Background:

    • Wavelet transforms are crucial for signal analysis.
    • Existing optical wavelet transform systems face limitations in performance and scalability.

    Purpose of the Study:

    • To propose and analyze a new architecture for an optical wavelet transform system.
    • To investigate the optical performance and fundamental limits of the proposed system.

    Main Methods:

    • Development of a novel optical architecture incorporating a lenslet array.
    • Theoretical analysis of the system's optical performance metrics.
    • Evaluation of the system's operational and physical limitations.

    Main Results:

    • The proposed lenslet array architecture demonstrates potential for enhanced optical wavelet transform.
    • Analysis provides insights into the system's performance characteristics.
    • Identified optical limits guide future system optimization.

    Conclusions:

    • The novel lenslet array architecture offers a promising approach for optical wavelet transform systems.
    • The study establishes a foundation for further development and practical implementation.
    • Understanding optical limits is key for advancing the technology.