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

Echo01:06

Echo

980
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
980
Passive Filters01:27

Passive Filters

1.0K
Passive filters are utilized to shape the frequency spectrum of signals across a diverse array of applications. These filters, using only passive elements like resistors (R), inductors (L), and capacitors (C), are capable of selectively allowing or blocking certain frequency ranges without the need for external power sources.
Low-Pass Filters
Low-pass filters are designed to transmit signals with frequencies lower than the cutoff frequency, ωc, and attenuate those above it. The cutoff...
1.0K
Inertial Frames of Reference01:03

Inertial Frames of Reference

8.8K
Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with...
8.8K
Non-inertial Frames of Reference01:27

Non-inertial Frames of Reference

7.2K
A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common. All these systems are accelerating, decelerating, or rotating relative to the Earth; hence, they all are non-inertial frames. All these systems exhibit inertial forces, which merely seem to arise from motion,...
7.2K
Ion Channels01:19

Ion Channels

91.5K
The movement of ions like sodium, potassium, and calcium into and out of the cell is essential to maintain the electrochemical gradient in living cells. The ion channels—a class of membrane transport proteins—help maintain this ionic gradient for the smooth functioning of physiological activities such as maintaining cell size and volume, conducting nerve impulses, and gas and nutrient exchange.
Ion channels are specialized integral membrane proteins on the plasma membrane that allow...
91.5K
Active versus Passive Immunity01:31

Active versus Passive Immunity

10.9K
Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...
10.9K

You might also read

Related Articles

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

Sort by
Same author

Case Report: clinical manifestations and imaging features associated with PANK2 c.940C>T variant in PKAN with symmetric basal ganglia calcification.

Frontiers in genetics·2026
Same author

Regulation of the bis(triarylamine) conformation by auxiliary ligands in coordination polymers for modulation of redox activity.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Synergistic Interfacial Adsorption and Anion Enrichment for Low-Temperature Cycling of Sodium-Ion Batteries.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

An antiswelling biodegradable hydrogel reshapes electro-microenvironment to drive endogenous neuroregeneration after brain defect.

Science advances·2026
Same author

Development and validation of three risk prediction models for clinical deterioration of patients after craniotomy: a retrospective cohort study in China.

BMJ open·2026
Same author

Wafer-Scale Electrical Characterization of Al/Al<sub><i>x</i></sub>O<sub><i>y</i></sub>/Al Tunnel Junctions for Process Monitoring at Room Temperature.

Nanomaterials (Basel, Switzerland)·2026
Same journal

Peripheral B-cell receptor repertoire predicts immune-related adverse events following immune checkpoint inhibitor therapy in advanced renal cell carcinoma.

Scientific reports·2026
Same journal

Effects of black soldier fly (Hermetia illucens L.) larvae zoocompost on the mineral element content of blue honeysuckle berries.

Scientific reports·2026
Same journal

Investigation on absorption refrigeration performance of R1243zf with imidazolium ionic liquid as the working pairs.

Scientific reports·2026
Same journal

DeepTriage-CN: integrating clinical text with vital signs for emergency department admission prediction in an aging population.

Scientific reports·2026
Same journal

Gold nanoparticles as dual-action antiviral agents: disruption of SARS-CoV-2 viral envelopes and RNA integrity.

Scientific reports·2026
Same journal

Comparison of capillary microsampling and venous blood for multi-pathogen serosurveillance.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Feb 8, 2026

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible
14:44

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible

Published on: May 13, 2025

2.5K

Echo-coexisting reference channel processing for target detection in passive bistatic radar.

Zhen Luo1,2, Jingping Che3,4, Fan Ji3,4

  • 1School of Artificial Intelligence, Zhoukou Normal University, Zhoukou, Henan, China. zluo@zknu.edu.cn.

Scientific Reports
|February 6, 2026
PubMed
Summary
This summary is machine-generated.

This study addresses target detection in passive bistatic radar by proposing a method to remove target echoes from the reference channel. This improves signal-to-clutter ratio and eliminates ghost targets, enhancing radar performance.

More Related Videos

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

8.2K
Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.9K

Related Experiment Videos

Last Updated: Feb 8, 2026

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible
14:44

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible

Published on: May 13, 2025

2.5K
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

8.2K
Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.9K

Area of Science:

  • Radar Systems Engineering
  • Signal Processing
  • Electromagnetics

Background:

  • Traditional target detection assumes a clean reference signal, which is often not true in passive bistatic radar.
  • The reference channel in passive bistatic radar frequently suffers from high side-lobe levels and wide main-lobe width.
  • Target echoes in the reference channel degrade signal-to-clutter ratio (SCR) and elevate the false alarm rate.

Purpose of the Study:

  • To investigate the impact of target echoes in the reference channel on passive bistatic radar performance.
  • To develop a method for mitigating the negative effects of these echoes.
  • To improve the accuracy of target detection in passive bistatic radar systems.

Main Methods:

  • A matched rule was established to differentiate between actual and ghost targets.
  • A novel method was proposed to eliminate redundant target echoes from the reference channel.
  • Simulations were conducted to validate the proposed method's effectiveness.

Main Results:

  • The proposed method successfully removes target echoes from the reference channel.
  • Eliminating these echoes significantly improves the signal-to-clutter ratio (SCR).
  • Ghost targets generated by target echoes in the reference channel were effectively suppressed.

Conclusions:

  • The presence of target echoes in the reference channel is a significant issue for passive bistatic radar.
  • The developed echo elimination technique enhances target detection performance.
  • The proposed approach offers a practical solution for improving passive bistatic radar systems.