Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...

You might also read

Related Articles

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

Sort by

Same author

Effects of thermal processing on protein quality and bioactivity of tilapia: Explored by <i>in vitro</i> and computer simulated digestion.

Food chemistry: X·2026

Same author

Current Status and Emerging Trends in Global Research on Liposome Therapy for Hepatocellular Carcinoma: A Bibliometric Analysis.

Journal of hepatocellular carcinoma·2026

Same author

An On-Board Shock Absorber Detection Method for General Aviation Aircraft Landing Gears.

Sensors (Basel, Switzerland)·2026

Same author

Evaluation of a virtually screened quorum sensing inhibitor for Morganella psychrotolerans as a preservative in yellowfin tuna fillets.

Food chemistry·2026

Same author

Localizing Target for Transcranial Direct Current Stimulation in Drug-Resistant Epilepsy Using Dynamic EEG Source Network.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026

Same author

Effects of modified silica on the interfacial behaviour of polypropylene/ammonium polyphosphate composites: a molecular dynamics study.

Physical chemistry chemical physics : PCCP·2026

Search research articles

Related Experiment Video

Updated: Feb 25, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

High-Temporal-Resolution High-Spatial-Resolution Spaceborne SAR Based on Continuously Varying PRF.

Zhirong Men¹, Pengbo Wang^2,3, Chunsheng Li^4,5

¹School of Electronic and Information Engineering, Beihang University, Beijing 100191, China. menzhirong@buaa.edu.cn.

Sensors (Basel, Switzerland)

|August 1, 2017

Summary

This summary is machine-generated.

This study introduces a novel high-squint-angle spaceborne Synthetic Aperture Radar (SAR) system. It achieves high-temporal-resolution imaging by continuously varying the pulse repetition frequency (PRF), improving upon conventional SAR limitations.

Keywords:

continuously varying PRF (CVPRF)high-order imaging algorithm high-spatial-resolution high-squint-angle high-temporal-resolution synthetic aperture radar (SAR)

More Related Videos

A Multimodal Wide-Field Fourier-Transform Raman Microscope

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Published on: July 25, 2022

Related Experiment Videos

Last Updated: Feb 25, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

A Multimodal Wide-Field Fourier-Transform Raman Microscope

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Published on: July 25, 2022

Area of Science:

Earth Observation
Remote Sensing Technology
Radar Imaging Systems

Background:

Synthetic Aperture Radar (SAR) offers high-spatial-resolution Earth imaging.
Sliding and staring spotlight modes enhance spatial resolution.
High-temporal-resolution is crucial for many SAR applications, but conventional systems face limitations.

Purpose of the Study:

To present a novel high-squint-angle spaceborne SAR system for high-temporal-resolution imaging.
To address the challenge of range cell migration in high-squint-angle SAR.
To enable repeat-observation intervals from tens of seconds to minutes within a single pass.

Main Methods:

A data acquisition technique with continuously varied pulse repetition frequency (PRF) based on slant range.
A practical strategy considering hardware precision limitations.
Development of a resampling strategy and modified imaging algorithm for non-uniformly sampled data.

Main Results:

The proposed technique effectively manages echo data within the receive window, avoiding conflicts.
Range ambiguities are analyzed, showing improved performance for point-like targets compared to uniform PRF.
Simulations validate the efficiency of the novel technique and its imaging algorithm.

Conclusions:

The developed technique enables efficient high-temporal-resolution, high-spatial-resolution, and high-squint-angle spaceborne SAR imaging.
The modified imaging algorithm successfully handles non-uniformly sampled data.
This innovation overcomes limitations of conventional SAR systems for rapid repeat-pass observations.