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

Propagation of Waves01:07

Propagation of Waves

3.4K
When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
3.4K
Plane Electromagnetic Waves I01:30

Plane Electromagnetic Waves I

5.4K
The existence of combined electric and magnetic fields that propagate through space as electromagnetic (EM) waves is the most significant prediction of Maxwell's equations. As Maxwell's equations hold in free space, the predicted electromagnetic waves do not require a medium for their propagation. An EM wave comprises an electric field, defined as the force per charge on a stationary charge, and a magnetic field, which is the force per charge on a moving charge.
The EM field is assumed to be a...
5.4K
Bewley Lattice Diagram01:12

Bewley Lattice Diagram

1.6K
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
1.6K
Interference and Diffraction02:18

Interference and Diffraction

54.5K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
54.5K
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

1.6K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.6K
Traveling Waves: Lossless Lines01:27

Traveling Waves: Lossless Lines

526
The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx  and a shunt capacitance CΔx.
526

You might also read

Related Articles

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

Sort by
Same author

First Detection of Ultrahigh Energy Emission from Gamma-Ray Binary LS I +61° 303.

Physical review letters·2026
Same author

Evidence of Cosmic-Ray Acceleration up to Sub-PeV Energies in the Supernova Remnant IC 443.

Physical review letters·2026
Same author

Precise Measurement of the Cosmic Ray Helium Spectrum above 0.1 PeV.

Physical review letters·2026
Same author

All-Sky Search for Individual Primordial Black Hole Bursts with LHAASO.

Physical review letters·2025
Same author

[Association of blood selenium exposure with sex hormones among men aged 18-79 years in China].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2025
Same author

Double beamforming with a vertical receiver array and a ship of opportunity.

The Journal of the Acoustical Society of America·2025
Same journal

Sibilant differentiation before and after tongue cancer surgery: Acoustics, kinematics and the role of sensorimotor controla).

The Journal of the Acoustical Society of America·2026
Same journal

BioNet-A: Ultrasonic echo representation network for target discrimination using active SONAR.

The Journal of the Acoustical Society of America·2026
Same journal

Empty soft-drink cans and mass-loaded rods: Analogous homework problems from acoustic and mechanical domains.

The Journal of the Acoustical Society of America·2026
Same journal

Erratum: Statistical wave field theory: Anisotropic wave fields under Neumann's boundary condition [J. Acoust. Soc. Am. 159(3), 2265-2280 (2026)].

The Journal of the Acoustical Society of America·2026
Same journal

On the modification of tip leakage noise sources by porous treatment.

The Journal of the Acoustical Society of America·2026
Same journal

An educational opportunity: Acoustics in an empty room.

The Journal of the Acoustical Society of America·2026
See all related articles

Related Experiment Video

Updated: Apr 4, 2026

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

1.8K

The relation between the waveguide invariant and array invariant.

H C Song1, Chomgun Cho1

  • 1Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093-0238, USA.

The Journal of the Acoustical Society of America
|September 3, 2015
PubMed
Summary
This summary is machine-generated.

The waveguide invariant theory explains robust interference patterns. This study demonstrates how the array invariant method is a special case of waveguide invariant theory when β=1.

More Related Videos

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

11.2K
Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
08:01

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

Published on: May 12, 2020

8.8K

Related Experiment Videos

Last Updated: Apr 4, 2026

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

1.8K
Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

11.2K
Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
08:01

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

Published on: May 12, 2020

8.8K

Area of Science:

  • Acoustic physics
  • Wave propagation

Background:

  • The waveguide invariant (β) describes robust interference in the range-frequency plane, with applications in passive source ranging.
  • The array invariant method offers robust source-range estimation using beam-time intensity data from acoustic arrays.

Purpose of the Study:

  • To demonstrate the relationship between the waveguide invariant theory and the array invariant method.
  • To show that the array invariant is a specific instance of the waveguide invariant theory.

Main Methods:

  • Theoretical derivation connecting the two invariant approaches.
  • Analysis of the waveguide invariant theory under the condition β=1.

Main Results:

  • The array invariant method can be derived from the waveguide invariant theory.
  • This derivation is valid under the assumption that β=1.

Conclusions:

  • The array invariant is a specific case of the more general waveguide invariant theory.
  • This finding unifies two distinct methods for acoustic source localization.