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Related Concept Videos

Second-order Op Amp Circuits01:19

Second-order Op Amp Circuits

Implementing second-order low-pass filters in audio systems is crucial in refining audio signals by eliminating undesirable high-frequency noise. These filters typically involve second-order op-amp circuits configured as voltage followers, encompassing two nodes with distinct storage elements.
The analysis of such circuits follows a systematic approach, similar to the second-order RLC circuits. In practical scenarios, bulky inductors are rarely employed due to their size and weight. This means...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Sequence Networks of Rotating Machines01:24

Sequence Networks of Rotating Machines

A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...

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Related Experiment Video

Updated: Jun 9, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
12:22

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

Published on: August 4, 2018

Optical implementation of a second-order translation-invariant network algorithm.

P Horan, A Jennings, B Kelly

    Applied Optics
    |September 8, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces higher-order networks for optical implementation. An optoelectronic system demonstrates on-line learning and adaptive capabilities for complex network calculations.

    Related Experiment Videos

    Last Updated: Jun 9, 2026

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

    Published on: August 4, 2018

    Area of Science:

    • Optoelectronics
    • Optical Computing
    • Artificial Neural Networks

    Background:

    • Higher-order networks offer advanced computational capabilities.
    • Optical implementation presents advantages in speed and parallelism.
    • Translation-invariant networks are crucial for pattern recognition tasks.

    Purpose of the Study:

    • To introduce and evaluate higher-order, specifically second-order translation-invariant, networks for optical implementation.
    • To demonstrate an optical system capable of on-line learning and weight updating.
    • To showcase the adaptability of the optical system to real-world non-uniformities.

    Main Methods:

    • Implementation of a second-order translation-invariant network algorithm using a liquid-crystal display.
    • Demonstration of basic optical system operation and adaptive capabilities.
    • Development and utilization of an integrated optoelectronic array with asymmetric Fabry-Perot modulators for autocorrelation matrix calculation.

    Main Results:

    • Successful demonstration of the optical system's ability to perform network computations.
    • Illustration of the system's capacity for on-line learning and adaptation to non-uniformities.
    • Validation of the optoelectronic array's function in calculating the necessary autocorrelation matrix.

    Conclusions:

    • Higher-order networks are suitable for optical implementation.
    • The developed optoelectronic system enables efficient on-line learning and adaptation.
    • The integrated optoelectronic array is a viable component for advanced optical network architectures.