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

Glassware Calibration01:11

Glassware Calibration

1.4K
Accurate calibration of glassware, such as volumetric flasks, pipettes, and burettes, is essential to ensure accurate measurements in the analytical laboratory. Calibration helps maintain consistency across measurements and prevents errors arising from inaccurate volumes.
Volumetric flasks: Volumetric flasks are designed to prepare aqueous solutions of precise volumes accurately with a calibration line on the neck. To calibrate a volumetric flask, it is important to fill it with distilled...
1.4K
Instrument Calibration01:12

Instrument Calibration

747
Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
747
Calibration Curves: Correlation Coefficient01:10

Calibration Curves: Correlation Coefficient

4.9K
In a linear calibration curve, there is a value called the calibration coefficient, denoted by 'r,' which measures the strength and the direction of association between two variables. The correlation coefficient value ranges from −1 to +1. A value of +1 indicates a perfect positive linear correlation, −1 denotes a perfect negative correlation, and 0 implies no correlation between the two variables. A positive correlation value establishes that as one variable increases, the...
4.9K
Plotting and Calibrating the Root Locus01:19

Plotting and Calibrating the Root Locus

467
Root loci often diverge as system poles shift from the real axis to the complex plane. Key points in this transition are the breakaway and break-in points, indicating where the root locus leaves and reenters the real axis. The branches of the root locus form an angle of 180/n degrees with the real axis, where n is the number of branches at a breakaway or break-in point.
The maximum gain occurs at the breakaway points between open-loop poles on the real axis, while the minimum gain is...
467
Phase Diagrams02:39

Phase Diagrams

50.1K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
50.1K
Phase Transitions02:31

Phase Transitions

23.1K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
23.1K

You might also read

Related Articles

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

Sort by
Same author

Expression of tissue factor pathway inhibitor-2 in gastric stromal tumor and its clinical significance.

Experimental and therapeutic medicine·2014
Same author

Facile access to cytocompatible multicompartment micelles with adjustable Janus-cores from A-block-B-graft-C terpolymers prepared by combination of ROP and ATRP.

Colloids and surfaces. B, Biointerfaces·2014
Same author

Functional layers for Zn(II) ion detection: from molecular design to optical fiber sensors.

The journal of physical chemistry. B·2013
Same author

Expression of the 78 kD glucose-regulated protein is induced by endoplasmic reticulum stress in the development of hepatopulmonary syndrome.

Gene·2013
Same author

Multi-nuclear silver(I) and copper(I) complexes: a novel bonding mode for bispyridylpyrrolides.

Dalton transactions (Cambridge, England : 2003)·2013
Same author

Transcriptome profilings of female Schistosoma japonicum reveal significant differential expression of genes after pairing.

Parasitology research·2013

Related Experiment Video

Updated: Jan 30, 2026

Calibration Procedures for Orthogonal Superposition Rheology
08:43

Calibration Procedures for Orthogonal Superposition Rheology

Published on: November 18, 2020

2.4K

Phase measurement deflectometry with refraction model and its calibration.

Chen Li, Youfu Li, Yi Xiao

    Optics Express
    |January 18, 2019
    PubMed
    Summary

    This study presents a new phase measurement deflectometry method for accurate mirror surface measurement. It improves system compactness and efficiency by compensating for transparent screen refraction using multi-stereo vision.

    More Related Videos

    Subjective Refraction Test Using a Smartphone for Vision Screening
    05:36

    Subjective Refraction Test Using a Smartphone for Vision Screening

    Published on: October 18, 2024

    1.8K
    Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
    10:00

    Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

    Published on: June 2, 2020

    22.6K

    Related Experiment Videos

    Last Updated: Jan 30, 2026

    Calibration Procedures for Orthogonal Superposition Rheology
    08:43

    Calibration Procedures for Orthogonal Superposition Rheology

    Published on: November 18, 2020

    2.4K
    Subjective Refraction Test Using a Smartphone for Vision Screening
    05:36

    Subjective Refraction Test Using a Smartphone for Vision Screening

    Published on: October 18, 2024

    1.8K
    Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
    10:00

    Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

    Published on: June 2, 2020

    22.6K

    Area of Science:

    • Optical metrology
    • Surface characterization
    • Precision engineering

    Background:

    • Conventional phase measurement deflectometry systems often have complex calibration and low accuracy.
    • Existing systems suffer from bulky designs due to biplanar structures and spatial multiplexing of displays.

    Purpose of the Study:

    • To develop a more compact and efficient phase measurement deflectometry system.
    • To enhance accuracy by precisely compensating for refraction effects from transparent screens.

    Main Methods:

    • A novel measurement model using a transparent and an ordinary screen to determine incident light.
    • Characterization of transparent screen refraction using two physical parameters calibrated via multi-stereo vision.
    • An improved mirror calibration method incorporating the refraction model.
    • 3D mirror surface restoration using radial basis function interpolation.

    Main Results:

    • The proposed method significantly improves system compactness and measurement efficiency.
    • Enhanced accuracy in 3D mirror surface measurement is achieved by compensating for refraction.
    • Experimental results validate the effectiveness of the novel measurement approach.

    Conclusions:

    • The developed phase measurement deflectometry technique offers a superior alternative for mirror surface analysis.
    • The method provides higher accuracy, efficiency, and a more compact system design compared to conventional approaches.