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相关概念视频

Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

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Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
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Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

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Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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相关实验视频

Updated: Jun 7, 2025

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
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Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

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液晶设备的复杂相位调制具有深度学习.

Qian Chen, Weiping Ding, Feng Jiang

    Optics express
    |November 14, 2024
    PubMed
    概括

    本研究介绍了一种深度学习方法,用于液晶 (LC) 设备的精确相调. 它克服了单电极和多电极设计的挑战,提高了复杂相位分布的精度.

    科学领域:

    • 光电学是指光电子产品.
    • 材料科学 材料科学 材料科学
    • 人工智能的人工智能

    背景情况:

    • 在单电极液晶 (LC) 装置中实现复杂相位分布是很困难的.
    • 多电极LC设备面临调制精度和复杂性问题,随着像素分辨率的增加和电极大小的减少.
    • 边缘场效应使LC设备中精确的相调节变得复杂.

    研究的目的:

    • 为液晶 (LC) 设备展示基于深度学习的相调制方法.
    • 为了应对与单电极和多电极LC配置相调节相关的挑战.
    • 通过减轻边缘场效应,使准确和精确的相调节分布成为可能.

    主要方法:

    • 开发了一个深度学习模型,将相延迟分布映射到LC设备中的电场分布.
    • 利用电场调制的概念在LC设备中进行相位控制.
    • 验证了该方法在缓解边缘场效应方面的有效性.

    主要成果:

    • 成功展示了基于深度学习的LC设备的相调节技术.
    • 拟议的方法有效地减轻了边缘场引起的相调节问题.
    • 实现了准确和精确的相调节分布,克服了传统方法的局限性.

    更多相关视频

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

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    相关实验视频

    Last Updated: Jun 7, 2025

    Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
    07:56

    Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

    Published on: September 20, 2017

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    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

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    结论:

    • 深度学习方法为LC设备的精确相调提供了有效的解决方案.
    • 这种方法提高了LC设备应用中复杂相位分布的可行性.
    • 该研究强调了人工智能在提高光电子设备性能方面的潜力.