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

Errors in Global Positioning System01:26

Errors in Global Positioning System

321
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
321
¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

1.7K
The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
1.7K
Boundary Layer Characteristics01:18

Boundary Layer Characteristics

537
When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
537
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

1.6K
When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...
1.6K
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

8.0K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
8.0K
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

680
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
680

You might also read

Related Articles

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

Sort by
Same author

Long-Time Coherent Integration Method for Passive Bistatic Radar Using Frequency Hopping Signals.

Sensors (Basel, Switzerland)·2024
Same author

Massive Data Management and Sharing Module for Connectome Reconstruction.

Brain sciences·2020
Same author

Anti-breast cancer and toxicity studies of total secondary saponin from Anemone raddeana Rhizome on MCF-7 cells via ROS generation and PI3K/AKT/mTOR inactivation.

Journal of ethnopharmacology·2020
Same author

Linkages between soil organic carbon fractions and carbon-hydrolyzing enzyme activities across riparian zones in the Three Gorges of China.

Scientific reports·2020
Same author

Rapid and direct identification of the origin of white tea with proton transfer reaction time-of-flight mass spectrometry.

Rapid communications in mass spectrometry : RCM·2020
Same author

Selective, highly efficient extraction of Cr(III), Pb(II) and Fe(III) from complex water environment with a tea residue derived porous gel adsorbent.

Bioresource technology·2020

Related Experiment Video

Updated: Jan 11, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

8.1K

An Improved Extensive Cancellation Method for Clutter Removal in Passive Bistatic Radar.

Gang Chen1, Siyuan Su2, Dandan Zhang1

  • 1China Academy of Space Technology; Xi'an 710100, China.

Sensors (Basel, Switzerland)
|November 13, 2025
PubMed
Summary

Passive bistatic radar systems face clutter interference. This study introduces a fast clutter cancellation method that reduces computational complexity by dividing high-order matrices, improving performance for radar systems.

Keywords:
clutter cancellationextensive cancellation algorithmpassive bistatic radar

More Related Videos

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.8K
Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.5K

Related Experiment Videos

Last Updated: Jan 11, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

8.1K
Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.8K
Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.5K

Area of Science:

  • Electrical Engineering
  • Signal Processing
  • Radar Systems

Background:

  • Passive bistatic radar systems are susceptible to severe clutter echo interference, where target echoes are obscured by strong clutter sidelobes.
  • Existing clutter cancellation algorithms, like the extensive cancellation algorithm, are effective but computationally intensive due to high-order matrix inversions, challenging current hardware capabilities.

Purpose of the Study:

  • To propose a novel, computationally efficient clutter cancellation method for passive bistatic radar systems.
  • To address the limitations of existing algorithms that require high-order matrix inversion.

Main Methods:

  • A fast clutter cancellation method is proposed, adapting the extensive cancellation algorithm.
  • The high-order clutter delay matrix is decomposed into multiple lower-order sub-matrices.
  • These sub-matrices are processed simultaneously for clutter cancellation, reducing computational load.

Main Results:

  • The proposed method significantly reduces computational complexity compared to traditional extensive cancellation algorithms.
  • Simulation results and real-data applications confirm effective clutter cancellation performance.
  • The method maintains target echo integrity despite strong clutter interference.

Conclusions:

  • The novel method offers a practical solution for clutter cancellation in passive bistatic radar.
  • It enhances system performance by overcoming hardware limitations associated with high computational demands.
  • This approach provides a balance between effective clutter suppression and reduced computational complexity.