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

Conservation of Protein Domains Over Different Proteins02:26

Conservation of Protein Domains Over Different Proteins

14.1K
Protein domains are small structurally independent units that are part of a single amino acid chain.  Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
14.1K
Exponential Fourier series01:24

Exponential Fourier series

704
In audio signal processing, the exponential Fourier series plays a crucial role in sound synthesis, allowing complex sounds to be broken down into simpler sinusoidal components. This decomposition process is fundamental in analyzing and reconstructing musical notes and other audio signals. The exponential Fourier series expresses periodic signals as the sum of complex exponentials at both positive and negative harmonic frequencies, providing a powerful tool for signal analysis.
Euler's identity...
704
Properties of Fourier series I01:20

Properties of Fourier series I

730
The Fourier series is a powerful tool in signal processing and communications, allowing periodic signals to be expressed as sums of sine and cosine functions. A foundational property of the Fourier series is linearity. If we consider two periodic signals, their linear combination results in a new signal whose Fourier coefficients are simply the corresponding linear combinations of the original signals' coefficients. This property is crucial in applications like frequency modulation (FM) radio,...
730
Properties of Fourier series II01:21

Properties of Fourier series II

553
Time scaling of signals is a crucial concept in signal processing that affects the Fourier series representation without altering its coefficients. The process modifies the fundamental frequency, thereby changing how the series represents the signal over time. This principle is essential in various applications, including audio and image processing, where signal manipulation is frequent. Understanding function symmetries is fundamental to simplifying the Fourier series.
A function f(t) is...
553
Properties of Fourier Transform I01:21

Properties of Fourier Transform I

624
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...
624
Properties of Fourier Transform II01:24

Properties of Fourier Transform II

758
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...
758

You might also read

Related Articles

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

Sort by
Same author

pH-Triggered and Targeted Delivery of Curcumin: From Dendritic Polymers to Natural and Synthetic Nanocarriers.

Advanced healthcare materials·2025
Same author

Photophysical behavior of sulfur-oxidized sulfone and trifluoromethyl-BODIPY: Insight into the relationship between crystal structure and tumor cell imaging.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2025
Same author

A novel piperazine-linked BODIPY-pyrimidine anti-tumor fluorescent active drug: targeting mechanism, real-time dynamic imaging and delivery effect of DSPC/DPIC nanoparticles.

Bioorganic chemistry·2025
Same author

Multi-component driven fluorescence composite nanospheres coating strategy: Spectral properties, release, tumor imaging and bioactivity evaluation in a simulated gastrointestinal microenvironment.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2025
Same author

Based on sodium alginate coatings and dendritic copolymeric modification of curcumin delivery system: pH-sensitive nanospheres and strong tumor cytotoxicity.

International journal of biological macromolecules·2024
Same author

A Novel Ethylenediamine Bridged Indole-BODIPY Schiff Base Applied for Selective Response to Fe, Cu and Al Detection.

Journal of fluorescence·2024

Related Experiment Video

Updated: Jan 25, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
09:04

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Published on: January 14, 2020

10.3K

Three-dimensional computer-generated hologram with Fourier domain segmentation.

Hao Zhang, Liangcai Cao, Guofan Jin

    Optics Express
    |May 5, 2019
    PubMed
    Summary

    We developed an efficient algorithm for photorealistic 3D computer-generated holograms using Fourier domain segmentation. This method enhances depth cues and view-dependent properties for realistic holographic reconstructions.

    More Related Videos

    Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans
    08:24

    Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans

    Published on: September 13, 2017

    8.3K
    Generation of Three-Dimensional Spheroids/Organoids from Two-Dimensional Cell Cultures Using a Novel Stamp Device
    05:40

    Generation of Three-Dimensional Spheroids/Organoids from Two-Dimensional Cell Cultures Using a Novel Stamp Device

    Published on: March 28, 2025

    1.2K

    Related Experiment Videos

    Last Updated: Jan 25, 2026

    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
    09:04

    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

    Published on: January 14, 2020

    10.3K
    Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans
    08:24

    Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans

    Published on: September 13, 2017

    8.3K
    Generation of Three-Dimensional Spheroids/Organoids from Two-Dimensional Cell Cultures Using a Novel Stamp Device
    05:40

    Generation of Three-Dimensional Spheroids/Organoids from Two-Dimensional Cell Cultures Using a Novel Stamp Device

    Published on: March 28, 2025

    1.2K

    Area of Science:

    • Computer graphics
    • Holography
    • Computational imaging

    Background:

    • Generating photorealistic 3D computer-generated holograms (CGH) presents computational challenges, particularly in accurately representing depth information and view-dependent effects.
    • Conventional methods like the angular spectrum method have limitations in processing extended regions and complex depth variations.

    Purpose of the Study:

    • To propose an efficient algorithm for calculating photorealistic 3D CGH.
    • To improve the accuracy of depth cues and view-dependent properties in holographic displays.
    • To overcome the limitations of conventional angular spectrum methods.

    Main Methods:

    • The algorithm utilizes Fourier domain segmentation to process spatial frequency information.
    • It processes depth information from multiple parallel projections, recombining wave fields in the Fourier domain.
    • Segmented angular spectrum with layer-based processing is employed to extend the processing region.

    Main Results:

    • The proposed method enables the calculation of photorealistic 3D CGH with accurate depth information.
    • It effectively extends the limited region of conventional angular spectrum methods.
    • The algorithm is compatible with computer graphics rendering techniques for quality view-dependent properties.

    Conclusions:

    • The developed algorithm offers an efficient and accurate approach for generating photorealistic 3D holograms.
    • It successfully integrates depth perception and view-dependent realism.
    • This method advances the capabilities of 3D holographic display technologies.