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

Sum and Difference OpAmps01:22

Sum and Difference OpAmps

1.4K
Operational amplifiers (op-amps) are versatile devices that extend beyond amplification. In this context, two specific op-amp configurations are explored: the summing and difference amplifiers.
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's current...
1.4K
Sums of Power01:22

Sums of Power

66
In definite integration, Riemann sums approximate the area under a curve by dividing it into subintervals and summing the areas of rectangles. When these approximations follow predictable numerical patterns, such as arithmetic or polynomial sequences, sum formulas offer a more efficient and accurate way to compute the result. In particular, the sum of consecutive integers, squares, and cubes plays an essential role in simplifying these calculations, especially when dealing with uniform...
66
Wilcoxon Rank-Sum Test01:21

Wilcoxon Rank-Sum Test

741
The Wilcoxon rank-sum test, also known as the Mann-Whitney U test, is a nonparametric test used to determine if there is a significant difference between the distributions of two independent samples. This test is designed specifically for two independent populations and has the following key requirements:
741
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

1.0K
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
1.0K
Contact Angle01:13

Contact Angle

19.0K
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
19.0K
Receiver Operating Characteristic Plot01:15

Receiver Operating Characteristic Plot

484
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
484

You might also read

Related Articles

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

Sort by
Same author

Applications of Nature-Inspired Water Cycle Algorithm in Antenna Design and Array Synthesis.

Sensors (Basel, Switzerland)·2026
Same author

Radar UAV/Bird Trajectory Feature Classification Based on TCN-Transformer and the PC-TimeGAN Data Augmentation Framework.

Sensors (Basel, Switzerland)·2026
Same author

10 years trends and hospitalization outcomes of non-neonatal tetanus: a large-scale multicenter retrospective study in China.

Critical care (London, England)·2026
Same author

Near-Field Target Detection with Range-Angle-Coupled Matching Based on Distributed MIMO Radar.

Sensors (Basel, Switzerland)·2025
Same author

Improved Variational Bayes for Space-Time Adaptive Processing.

Entropy (Basel, Switzerland)·2025
Same author

Neural Network-Assisted DPD of Wideband PA Nonlinearity for Sub-Nyquist Sampling Systems.

Sensors (Basel, Switzerland)·2025
Same journal

RETRACTED: Zhang et al. A Novel Framework for Reconstruction and Imaging of Target Scattering Centers via Wide-Angle Incidence in Radar Networks. <i>Sensors</i> 2025, <i>25</i>, 6802.

Sensors (Basel, Switzerland)·2026
Same journal

Enhancing Unsupervised Multi-Source Domain Adaptation for Person Re-Identification via Mixture of Experts and Graph-Based Relation.

Sensors (Basel, Switzerland)·2026
Same journal

Development of an Instrumented Glove for Palmar Pressure Assessment in Kayakers.

Sensors (Basel, Switzerland)·2026
Same journal

Development and Experimental Validation of an Autonomous IoT-Based Monitoring System for Real-Time Water Quality Assessment in the Amazon River.

Sensors (Basel, Switzerland)·2026
Same journal

Semi-Supervised Adversarial Learning Framework for Controller Area Network Bus Intrusion Detection.

Sensors (Basel, Switzerland)·2026
Same journal

Smart Optimization Method for Safety Signs in Innovative Manufacturing Environments Integrating Industrial Field IoT Sensors and Knowledge Graphs.

Sensors (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Jan 29, 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

8.2K

An Angle Estimation Approach for Coherent FDA Radar Based on Transmit-Receive Sum and Difference Beamforming.

Jun Zhang1,2, Jingwei Xu1, Guisheng Liao1

  • 1National Key Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China.

Sensors (Basel, Switzerland)
|January 28, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a novel high-precision angle estimation method for coherent Frequency Diverse Array (FDA) radar. The technique enhances angular resolution significantly without compromising surveillance coverage, offering robust performance for advanced radar systems.

Keywords:
coherent FDAmulti-beam transmissionrange-angle two-dimensional couplingsum and difference beamstarget angle estimation

More Related Videos

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

19.2K
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

2.4K

Related Experiment Videos

Last Updated: Jan 29, 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

8.2K
Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

19.2K
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

2.4K

Area of Science:

  • Electrical Engineering
  • Signal Processing
  • Radar Systems

Background:

  • Frequency Diverse Array (FDA) radar offers unique range-angle-coupled beampatterns.
  • Conventional FDA radar systems face challenges in achieving high-precision angle estimation while maintaining wide coverage.
  • Existing methods may compromise either coverage or accuracy.

Purpose of the Study:

  • To propose a high-precision angle estimation method for coherent FDA radar.
  • To leverage transmit sum and difference beamforming for enhanced angular resolution.
  • To maintain wide transmission coverage alongside narrow reception capability.

Main Methods:

  • Utilizing a small frequency offset across the coherent FDA radar aperture.
  • Constructing an equivalent two-dimensional coupled sum-difference beam.
  • Employing signal detection outputs from multiple transmitted beams.

Main Results:

  • Achieved an angular resolution of 1/20 of the beamwidth at a 20 dB SNR.
  • Demonstrated significant performance improvement over conventional techniques.
  • Validated robust performance across various simulation scenarios.

Conclusions:

  • The proposed method enables high-precision angle estimation in coherent FDA radar.
  • It effectively combines wide surveillance coverage with accurate angle measurement.
  • The technique is suitable for modern radar applications demanding both broad coverage and precise angle determination.