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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
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Updated: May 7, 2026

Simultaneously Capturing Real-time Images in Two Emission Channels Using a Dual Camera Emission Splitting System: Applications to Cell Adhesion
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机密的多输入多输出光学摄像机通信,由一个二维的飞行员辅助.

Shan-Shan Hu, Xue-Fen Chi, Feng-Lei Ji

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    此摘要是机器生成的。

    本研究介绍了安全的光学摄像机通信 (OCC) 的新方案,以防止窃听. 拟议的方法确保了保密数据传输和在非视线条件下可靠的性能.

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    科学领域:

    • 光学摄像机通讯 (OCC) 技术
    • 无线通信安全 无线通信安全

    背景情况:

    • 光学摄像头通信 (OCC) 提供了固有的安全性,但在广播频道上面临窃听风险.
    • 干扰信号,定义为机密信号的比特转移,对OCC安全构成挑战.

    研究的目的:

    • 为提高光学摄像头通信 (OCC) 的机密性和可靠性提出新方案.
    • 为了解决OCC系统中窃听的风险.

    主要方法:

    • 在发射器 (TX) 引入了保密干扰双发光二极管 (LED) 通信 (CIDLC) 方案.
    • 在接收器 (RX) 实施了消除干扰 (EI) 方案.
    • 开发了一种用于多输入多输出 (MIMO) OCC的二维试点辅助通道估计 (2D-PACE) 方案.

    主要成果:

    • 实验验证证了拟议的CIDLC和EI计划在保证机密性方面的有效性.
    • 这些方案在2米非视线距离 (NLOS) 时表现出强的性能.
    • 通过使用能源均等编码 (EEC) 方案,成功建造了通信-照明集成OCC.

    结论:

    • 开发的方案显著提高了光学摄像头通信 (OCC) 的安全性和可靠性.
    • 通信和照明功能的集成是通过能量均等编码 (EEC) 实现的.