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

Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

207
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
207

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
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Nov 14, 2025

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

10.1K

Frequency-based optimized random phase for computer-generated holographic display.

Zehao He, Xiaomeng Sui, Hao Zhang

    Applied Optics
    |March 10, 2021
    PubMed
    Summary
    This summary is machine-generated.

    Optimizing random phases in holographic reconstructions prevents excessive diffusion and detail loss. A new frequency-based method significantly enhances reconstruction quality, preserving contours and fine details.

    More Related Videos

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

    10.5K
    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    10.1K

    Related Experiment Videos

    Last Updated: Nov 14, 2025

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    10.1K
    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

    10.5K
    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    10.1K

    Area of Science:

    • Optics and Photonics
    • Digital Holography
    • Image Reconstruction

    Background:

    • Random phases in holography cause wave diffusion, degrading reconstruction quality.
    • Loss of detail is a significant challenge in holographic reconstructions.

    Purpose of the Study:

    • To evaluate the impact of random phase frequencies on holographic reconstruction.
    • To develop an optimized random phase method for improved holographic imaging.

    Main Methods:

    • Analysis of optimized maximal values for random phases.
    • Proposal of a frequency-based optimized random phase.
    • Evaluation of reconstruction quality with the proposed method.

    Main Results:

    • Identified the effects of various random phase frequencies.
    • Developed a random phase strategy mitigating dynamic range limitations.
    • Demonstrated significant improvement in reconstruction fidelity.

    Conclusions:

    • The frequency-based optimized random phase effectively reduces diffusion.
    • This method enhances the reconstruction of both object contours and fine details.
    • Improved holographic reconstruction quality is achievable with optimized random phases.