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

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Doppler Effect - II01:05

Doppler Effect - II

The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...

You might also read

Related Articles

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

Sort by
Same author

Cystic fibrosis and insulin therapy: a reality check.

Diabetic medicine : a journal of the British Diabetic Association·2019
Same author

Multidrug-resistant (MDR) Gram-negative bacteria information leaflets.

The Journal of hospital infection·2016
Same author

Prevention and control of multi-drug-resistant Gram-negative bacteria: recommendations from a Joint Working Party.

The Journal of hospital infection·2015
Same author

Implications of new European Union driving regulations on patients with Type 1 diabetes who participated in the Diabetes Control and Complications Trial.

Diabetic medicine : a journal of the British Diabetic Association·2012
Same author

Dual semantic encoding of homographs and homophones embedded in context.

Memory & cognition·2011
Same author

Diarrhea.

Canadian family physician Medecin de famille canadien·2011
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Jun 15, 2026

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
10:53

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

Published on: March 12, 2019

Multiple pulse detection in atmospheric turbulence.

R E Warren

    Applied Optics
    |March 6, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study presents formulas for detecting laser pulse threshold crossings amid atmospheric turbulence. Accounting for pulse correlation is crucial for accurate detection system calculations.

    More Related Videos

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
    13:02

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow

    Published on: February 27, 2016

    Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom
    06:26

    Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom

    Published on: February 25, 2022

    Related Experiment Videos

    Last Updated: Jun 15, 2026

    Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
    10:53

    Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

    Published on: March 12, 2019

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
    13:02

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow

    Published on: February 27, 2016

    Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom
    06:26

    Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom

    Published on: February 25, 2022

    Area of Science:

    • Optical engineering
    • Atmospheric physics
    • Signal processing

    Background:

    • Atmospheric turbulence distorts laser signals, affecting detection accuracy.
    • Gaussian receiver noise is a common factor in optical systems.
    • Pulse-to-pulse correlation can influence signal detection probabilities.

    Purpose of the Study:

    • To derive expressions for detecting threshold crossings in laser pulses transmitted through atmospheric turbulence.
    • To analyze the impact of pulse-to-pulse correlation on detection statistics.
    • To provide a foundation for more accurate optical system design.

    Main Methods:

    • Derivation of probability expressions for threshold crossings.
    • Analysis of limiting cases: no correlation and complete correlation.
    • Inclusion of uncorrelated Gaussian receiver noise in the model.

    Main Results:

    • Formulas for detecting at least m threshold crossings in n laser pulses are provided.
    • Explicit evaluation of detection probabilities for uncorrelated and fully correlated pulses.
    • Demonstration that pulse correlation significantly alters detection statistics.

    Conclusions:

    • The derived expressions are essential for systems involving laser pulse detection in turbulent atmospheres.
    • Ignoring pulse-to-pulse correlation can lead to inaccurate system performance predictions.
    • Accurate modeling requires incorporating correlation effects into detection calculations.