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相关概念视频

Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

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Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
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Propagation Speed of Electromagnetic Waves01:30

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Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
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Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
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相关实验视频

Updated: Sep 11, 2025

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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移动全双重光学无线通信网络是移动的.

Jiahao Gou, Linning Wang, Pengzhan Liu

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    此摘要是机器生成的。

    这项研究介绍了一种使用融合白光和红外光的全光移动通信网络. 它实现了4 Mbps的吞吐量和实时视频,在各种环境中实现了无连接.

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    科学领域:

    • 光学通信网络是指光学通信网络.
    • 无线通信技术无线通信技术
    • 光子学和光电子学.

    背景情况:

    • 光表现出波长依赖的传播,使空间,空气和水下环境中的各种应用成为可能.
    • 无连接需要强大的通信系统,能够适应不同的环境条件和移动性.
    • 现有的移动通信解决方案在桥接不同传输介质时经常面临局限性.

    研究的目的:

    • 建立一个完整的移动光通信网络,将无线移动白光和固定红外光融合在一起.
    • 在光通信中解决动态光路线对准移动车辆的挑战.
    • 在移动网络中任意节点之间实现可靠的双向数据传输.

    主要方法:

    • 开发一个融合网络架构,结合白光和红外光通信节点.
    • 在三轴杆稳定器上集成图像识别模块和全双重光通信模块.
    • 实施传输控制协议/互联网协议 (TCP/IP) 方案,以实现全网连接和数据传输.

    主要成果:

    • 实现了4 Mbps的网络吞吐量.
    • 证明了实时视频通信,数据包丢失率 (PLR) 为1.9%.
    • 建立了一个具有所有通信节点相同特征的完整映射网络,以促进任意的双向数据传输.

    结论:

    • 开发的全光移动通信网络提供了一种可行的解决方案,用于在不同环境中实现可靠的连接.
    • 该系统有效地克服了移动应用程序的动态光路线对齐挑战.
    • 这种网络架构支持无集成和强大的数据传输,以满足未来的移动通信需求.