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相关概念视频

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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
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太阳盲深紫外线通信网络 太阳盲深紫外线通信网络

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    此摘要是机器生成的。

    这项研究介绍了使用LED和光倍增管的太阳盲深紫外线 (DUV) 通信网络. 它实现了2 Mbps的双向数据传输超过122m与一个中继节点,用于扩展范围和复杂的环境.

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    科学领域:

    • 光电学是指光电子产品.
    • 无线通信无线通信

    背景情况:

    • 深紫外线 (DUV) 光通信提供了隐形性和低噪音等优势.
    • 现有的DUV系统需要进一步开发以实现实际应用.

    研究的目的:

    • 提出和演示一个新的太阳盲DUV光通信网络.
    • 使用中继节点来增强通信距离和可靠性.

    主要方法:

    • 使用275nm发光二极管 (LED) 作为光学发射器.
    • 采用光倍增管作为接收器.
    • 在通用异步接收器/发射器 (UART) 协议下进行双向通信的集成发射器和接收器.
    • 开发了一个继电器通信节点,以扩展范围和处理复杂的环境.

    主要成果:

    • 实现了以2 Mbps的双向数据交换.
    • 在没有继电器的情况下,在122m上表现出低于0.1%的位误差率 (BER).
    • 通过实地实验在阳光下验证了继电器的功能.

    结论:

    • 开发的DUV通信网络可用于高级应用程序.
    • 继电器节点显著提高了通信距离和适应性.
    • 这项工作为强大的DUV通信系统铺平了道路.