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Related Concept Videos

Range00:59

Range

14.1K
The range is one of the measures of variation. It can be defined as the difference between a dataset's highest and lowest values. For example, in the study of seven 16-ounce soda cans, the filled volume of soda was measured, thus producing the following amount (in ounces) of soda:
15.9; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5
Measurements of the amount of soda in a 16-ounce can vary since different subjects record these measurements or since the exact amount - 16 ounces of liquid, was not...
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Subatomic Particles03:37

Subatomic Particles

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Dalton was only partially correct about the particles that make up matter. All matter is composed of atoms, and atoms are composed of three smaller subatomic particles: protons, neutrons, and electrons. These three particles account for the mass and the charge of an atom.
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¹H NMR: Long-Range Coupling

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The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
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The Nucleosome Core Particle02:10

The Nucleosome Core Particle

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Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
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The Nucleosome Core Particle01:12

The Nucleosome Core Particle

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Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
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Angle of Twist - Elastic Range01:13

Angle of Twist - Elastic Range

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Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
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Related Experiment Video

Updated: Jan 27, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
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Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

Published on: February 8, 2014

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Improving the spatial dynamic range of digital inline particle holography.

Zachary Falgout, Yi Chen, Daniel R Guildenbecher

    Applied Optics
    |March 16, 2019
    PubMed
    Summary

    Digital inline holography can now detect smaller particles using Lanczos interpolation. This supersampling method improves accuracy and detection efficiency for multiphase flow analysis.

    Area of Science:

    • Fluid Dynamics
    • Optical Diagnostics

    Background:

    • Digital inline holography (DIH) is vital for analyzing multiphase flows.
    • DIH provides 3D particle position, size, and velocity data using a single camera.

    Purpose of the Study:

    • To evaluate DIH performance for sub-pixel sized particles.
    • To introduce Lanczos interpolation for enhanced particle detection and measurement accuracy.

    Main Methods:

    • Applying Lanczos interpolation (Whittaker sinc filter) as a postprocessing technique.
    • Analyzing the impact of supersampling on particle size and position accuracy.

    Main Results:

    • Lanczos interpolation reduces the detectable particle size limit by over 50%.
    • Supersampling significantly improves the accuracy of extracted particle size and position data.

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  • Enhanced resolution increases diagnostic detection efficiency and spatial dynamic range.

    • Conclusions:

    • Lanczos interpolation is a critical advancement for DIH in analyzing fine particle flows.
    • This method enables more comprehensive and accurate multiphase flow characterization.