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

Transfer Function in Control Systems01:21

Transfer Function in Control Systems

The transfer function is a fundamental concept in the analysis and design of linear time-invariant (LTI) systems. It offers a concise way to understand how a system responds to different inputs in the frequency domain. It serves as a bridge between the time-domain differential equations that describe system dynamics and the frequency-domain representation that facilitates easier manipulation and analysis.
To derive the transfer function, consider a general nth-order linear time-invariant...
Network Function of a Circuit01:25

Network Function of a Circuit

Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.

You might also read

Related Articles

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

Sort by
Same author

Modulation transfer function measurement of microbolometers with small pixel pitch.

Optics express·2026
Same author

Confidence map for multi-gradient-based X-ray phase-contrast imaging: a probabilistic error classification approach.

Optics letters·2026
Same author

Femtosecond laser-written mid-infrared waveguides in a heavy oxide germanate glass.

Optics letters·2025
Same author

Absolute evaluation of the optical transfer function of the high aperture infrared cryogenic objective.

Optics express·2024
Same author

Long-Term Radiometric Stability of Uncooled and Shutterless Microbolometer-Based Infrared Cameras.

Sensors (Basel, Switzerland)·2024
Same author

Robust quantitative X-ray phase diagnostic for carbon composite characterisation in the context of lightning induced risk.

Scientific reports·2024

Related Experiment Video

Updated: Jun 12, 2026

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

Modulation transfer function measurement of a multichannel optical system.

Florence de la Barrière1, Guillaume Druart, Nicolas Guérineau

  • 1ONERA, Chemin de la Hunière, 91761 Palaiseau Cedex, France. florence.de_la_barriere@onera.fr

Applied Optics
|May 22, 2010
PubMed
Summary
This summary is machine-generated.

This study introduces a novel method to measure the modulation transfer function (MTF) beyond the Nyquist frequency in multichannel imaging systems. This technique enables resolution enhancement by extracting higher spatial frequencies from undersampled subimages.

More Related Videos

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Related Experiment Videos

Last Updated: Jun 12, 2026

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

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Area of Science:

  • Optical Imaging
  • Image Processing
  • Signal Analysis

Background:

  • Multichannel imaging systems with parallel optical axes produce undersampled subimages.
  • Undersampled images can fold high spatial frequencies into the low-frequency spectrum.
  • Extracting these folded frequencies can potentially enhance image resolution.

Purpose of the Study:

  • To present a new method for measuring the modulation transfer function (MTF) beyond the Nyquist frequency.
  • To estimate the resolution enhancement achievable with multichannel imaging systems.
  • To validate the proposed method using experimental data.

Main Methods:

  • Developing a measurement technique for MTF beyond the Nyquist frequency.
  • Utilizing undersampled subimages from multichannel systems.
  • Applying postprocessing algorithms to extract high spatial frequencies.

Main Results:

  • Demonstrated a method to measure MTF beyond the Nyquist frequency.
  • Quantified the potential for resolution enhancement in multichannel imaging.
  • Experimental validation confirmed the efficacy of the proposed technique.

Conclusions:

  • The presented method accurately measures MTF beyond the Nyquist frequency.
  • Resolution enhancement is feasible in multichannel imaging systems through frequency extraction.
  • This technique offers a pathway to improve the effective resolution of imaging systems.