概括
这项研究引入了一种机器视觉系统,用于预测水下无线光通信 (UWOC) 道不稳定性. 该方法通过分析泡密度准确预测道影响,提高通信可靠性.
科学领域:
- 光学工程是指光学工程.
- 流体动力学 流体动力学
- 通信系统 通信系统
背景情况:
- 水下无线光通信 (UWOC) 系统面临着泡引起的流带来的重大挑战.
- 使用反的传统通道估计方法在动态的水下环境中不可靠.
研究的目的:
- 为受水下气泡影响的UWOC系统开发强大的通道预测机制.
- 通过预测通道特征来提高UWOC的稳定性和准确性.
主要方法:
- 开发了一种基于机器视觉的方法,结合了运动判断,图像处理和闪指数 (SI) 预测模块.
- 该系统捕获泡图像,计算泡密度,并使用关系函数来预测SI.
主要成果:
- 拟议的机制通过预测SI有效量化了泡对UWOC通道的影响.
- 实验结果证明了基于机器视觉的通道预测的有效性.
结论:
- 机器视觉为受泡影响的UWOC系统中实时通道预测提供了可行的解决方案.
- 开发的机制通过预测流效应,提高了水下光通信的可靠性.
相关概念视频
Uniform Depth Channel Flow
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
Uniform Depth Channel Flow: Problem Solving
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...


