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

Alterations in Respiration II01:30

Alterations in Respiration II

1.5K
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
1.5K
Mechanism of Breathing I: Inspiration01:30

Mechanism of Breathing I: Inspiration

2.9K
Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
2.9K
Mechanism of Breathing II: Expiration01:23

Mechanism of Breathing II: Expiration

1.8K
The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:
1.8K
Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

1.4K
Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
1.4K
Second Order systems II01:18

Second Order systems II

346
In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
346
Second Order systems I01:20

Second Order systems I

508
A servo system exemplifies a second-order system, featuring a proportional controller and load elements that ensure the output position aligns with the input position. The relationship between these components is described by a second-order differential equation. Applying the Laplace transform under zero initial conditions yields the transfer function, showing how inputs are converted to outputs in the system.
By reinterpreting the system, one can derive the closed-loop transfer function, which...
508

You might also read

Related Articles

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

Sort by
Same author

Review of NEDDylation inhibition activity detection methods.

Bioorganic & medicinal chemistry·2020
Same author

Optimization of Process Parameters of Rhamnolipid Treatment of Oily Sludge Based on Response Surface Methodology.

ACS omega·2020
Same author

Safety and Long-term Scleral Biomechanical Stability of Rhesus Eyes after Scleral Cross-linking by Blue Light.

Current eye research·2020
Same author

Serum pentraxin 3 as a biomarker for prognosis of acute minor stroke due to large artery atherosclerosis.

Brain and behavior·2020
Same author

The roles of adenosine deaminase in autoimmune diseases.

Autoimmunity reviews·2020
Same author

The role of oxidative stress in association between disinfection by-products exposure and semen quality: A mediation analysis among men from an infertility clinic.

Chemosphere·2020

Related Experiment Video

Updated: Dec 30, 2025

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
08:19

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

2.6K

Super-regular breathers in nonlinear systems with self-steepening effect.

Chong Liu1,2,3, Nail Akhmediev2

  • 1School of Physics, Northwest University, Xi'an 710127, China.

Physical Review. E
|January 23, 2020
PubMed
Summary

New super-regular (SR) breather solutions were analytically derived for systems with self-steepening effects. These novel SR breathers exhibit asymmetric evolution, differing from those in t-symmetric systems, and have potential for experimental observation.

More Related Videos

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
06:26

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

Published on: September 27, 2024

830
A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways
09:39

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways

Published on: May 9, 2016

8.3K

Related Experiment Videos

Last Updated: Dec 30, 2025

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
08:19

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

2.6K
Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
06:26

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

Published on: September 27, 2024

830
A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways
09:39

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways

Published on: May 9, 2016

8.3K

Area of Science:

  • Nonlinear physics
  • Optics
  • Plasma physics

Background:

  • Super-regular (SR) breather solutions are crucial in nonlinear systems.
  • Existing SR breathers are typically found in t-symmetric systems like the nonlinear Schrödinger equation.
  • Understanding breather dynamics in systems with self-steepening is essential.

Purpose of the Study:

  • To analytically derive a family of super-regular (SR) breather solutions in systems featuring self-steepening.
  • To investigate the behavior of these new SR breathers under both normal and anomalous dispersion conditions.
  • To explore the potential for experimental observation of these asymmetric breather dynamics.

Main Methods:

  • Analytical derivation using the Darboux transformation with a quadratic spectral parameter.
  • Numerical simulations to confirm the excitation of SR breathers.
  • Analysis of asymmetric evolution from symmetric initial conditions.

Main Results:

  • A new family of SR breather solutions was successfully derived.
  • These breathers exhibit asymmetric evolution, even from symmetric initial states.
  • Modulation instability was identified as the initial stage of this asymmetric evolution.
  • Numerical simulations validated the analytical findings.

Conclusions:

  • The derived SR breather solutions offer new insights into nonlinear dynamics with self-steepening.
  • The asymmetric evolution presents a novel phenomenon compared to t-symmetric systems.
  • These findings pave the way for experimental studies in systems like optical frequency-doubling crystals and magnetized plasmas.