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

Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

774
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...
774
Group Polarization01:01

Group Polarization

38.3K
Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
38.3K
Polar Coordinates01:24

Polar Coordinates

189
The polar coordinate system offers an alternative to the Cartesian coordinate system for specifying points in a plane, using a distance and an angle instead of x and y coordinates. This system is particularly advantageous in situations involving circular or rotational symmetry, such as in physics or engineering problems involving waves, oscillations, or orbital paths.Defining Polar CoordinatesIn polar coordinates, a point is represented as P(r, ��), where r is the radial distance...
189
Azimuths and Bearings01:19

Azimuths and Bearings

516
Azimuths and bearings are essential concepts in surveying, providing methods to express the direction of a line relative to a meridian. Azimuths refer to the clockwise angle measured from the north end of a reference meridian to the given line, ranging from zero to 360 degrees. This method gives a comprehensive directional reference within a full 360-degree circle, making it a straightforward way to communicate direction in various fields, including navigation, cartography, and...
516
Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

687
A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
687
Graphs of Polar Equations01:17

Graphs of Polar Equations

178
The polar coordinate system represents points using a distance from a central point (the pole) and an angle from a reference direction (the polar axis). Unlike rectangular coordinates, polar coordinates are ideal for graphing curves with radial symmetry or periodic behavior.Some general forms of graphs in polar coordinates include the following:Equation of a Circle (Centered at the Pole):A graph where the radius remains constant for all angles traces a circle centered at the pole:Equation of a...
178

You might also read

Related Articles

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

Sort by
Same author

PIPA: Prior-Driven Prompting with Diagnosis-Oriented Retrieval-Augmentation for 3D Radiology Report Generation.

IEEE transactions on medical imaging·2026
Same author

A Comparative Study Between the Modified Septal Extension Graft Based on the L-Strut Septum and the Costal Cartilage Graft Based on an Intact Native Septum in Nasal Plasty.

The Journal of craniofacial surgery·2026
Same author

[Recent progress and policy recommendations for biomanufacturing technology in China].

Sheng wu gong cheng xue bao = Chinese journal of biotechnology·2026
Same author

An engineered aryl sulfotransferase for the biosynthesis of glycosaminoglycans.

International journal of biological macromolecules·2026
Same author

EZH2 Regulates the Pluripotency of Mouse Embryonic Stem Cells by Modulating <i>Nanog</i> Expression Under PKC Inhibition.

Biology·2026
Same author

Mutagenicity of EAT-positive NDSRIs in HepaRG spheroids.

NAM journal·2026

Related Experiment Video

Updated: Jan 1, 2026

In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence
07:03

In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence

Published on: June 13, 2020

4.2K

Formation experiment with heading angle reference using sky polarization pattern at twilight.

Xiaoqing Guo, Jinkui Chu, Yinlong Wang

    Applied Optics
    |December 25, 2019
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces skylight polarization patterns for multi-agent formation control, enhancing consistency. Polarization navigation offers stable, error-free heading references, outperforming traditional methods.

    More Related Videos

    Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy
    05:54

    Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy

    Published on: September 8, 2023

    1.6K
    Imaging Plasma Membrane Deformations With pTIRFM
    12:28

    Imaging Plasma Membrane Deformations With pTIRFM

    Published on: April 2, 2014

    13.9K

    Related Experiment Videos

    Last Updated: Jan 1, 2026

    In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence
    07:03

    In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence

    Published on: June 13, 2020

    4.2K
    Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy
    05:54

    Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy

    Published on: September 8, 2023

    1.6K
    Imaging Plasma Membrane Deformations With pTIRFM
    12:28

    Imaging Plasma Membrane Deformations With pTIRFM

    Published on: April 2, 2014

    13.9K

    Area of Science:

    • Robotics
    • Navigation Systems
    • Optics

    Background:

    • Formation cooperation research emphasizes consistency.
    • Traditional navigation methods (inertial, geomagnetic) suffer from error accumulation and low stability.
    • These limitations hinder reliable multi-agent formation control.

    Purpose of the Study:

    • To investigate the use of skylight polarization patterns as a heading angle reference for multi-agent formation cooperation.
    • To evaluate the stability and accuracy of polarization-based navigation for formation control.
    • To demonstrate a practical implementation using a bionic polarization navigation sensor.

    Main Methods:

    • Analysis of formation consistency using skylight polarization for heading reference.
    • Measurement of skylight polarization azimuth differences using a bionic sensor at twilight.
    • Development of a mobile robot platform incorporating a polarization navigation sensor for heading provision.
    • Conducting a 3-robot platform formation experiment at twilight.

    Main Results:

    • Skylight polarization patterns provide a stable heading reference for formation cooperation.
    • Polarization navigation exhibits no error accumulation, enhancing formation consistency.
    • Experimental validation on a multi-robot platform confirmed the effectiveness of the proposed method.

    Conclusions:

    • Skylight polarization navigation is a viable and effective method for enhancing multi-agent formation consistency.
    • The bionic polarization navigation sensor offers a stable and accurate heading reference.
    • This approach overcomes limitations of traditional navigation systems in formation control.