Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Transmission Line Design Considerations01:23

Transmission Line Design Considerations

119
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
119
Transmission-Line Differential Equations01:26

Transmission-Line Differential Equations

231
Transmission lines are essential components of electrical power systems. They are characterized by the distributed nature of resistance (R), inductance (L), and capacitance (C) per unit length. To analyze these lines, differential equations are employed to model the variations in voltage and current along the line.
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
231
Bewley Lattice Diagram01:12

Bewley Lattice Diagram

515
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
515
Lossless Lines01:23

Lossless Lines

110
In electrical engineering, a lossless transmission line is characterized by a purely imaginary propagation constant and a resistive characteristic impedance. The ABCD parameters, which describe the relationship between the input and output voltages and currents, indicate an equivalent π circuit with an imaginary series impedance and a shunt admittance. This results in a transmission line that, when the product of the phase constant (beta) and the length of the line is less than pi,...
110
Fault Types01:18

Fault Types

73
When analyzing a single line-to-ground fault from phase A to ground at a three-phase bus, it is important to consider the fault impedance. This impedance is zero for a bolted fault, equal to the arc impedance for an arcing fault, and represents the total fault impedance for a transmission-line insulator flashover. To derive sequence and phase currents, fault conditions are translated from the phase domain to the sequence domain.
For line-to-line faults occurring between phases B and C, the...
73
Boundary Conditions: Lossless Lines01:21

Boundary Conditions: Lossless Lines

81
Consider a single-phase, two-wire, lossless transmission line terminated by an impedance at the receiving end and a source with Thevenin voltage and impedance at the sending end. The line, with length, has a surge impedance and wave velocity determined by the line's inductance and capacitance.
At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...
81

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Cyclophilin A (CyPA) induces chemotaxis independent of its peptidylprolyl cis-trans isomerase activity: direct binding between CyPA and the ectodomain of CD147.

The Journal of biological chemistry·2011
Same author

Characterization of dissolved organic matter in urban sewage using excitation emission matrix fluorescence spectroscopy and parallel factor analysis.

Journal of environmental sciences (China)·2011
Same author

Actin filament associated protein mediates c-Src related SRE/AP-1 transcriptional activation.

FEBS letters·2011
Same author

Sesquiterpenes from Vladimiria souliei and their inhibitory effects on NO production.

Fitoterapia·2011
Same author

Chronic kidney disease is prevalent in Chinese patients admitted with verified cerebrovascular lesions and predicts short-term prognosis.

Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association·2011
Same author

Cytoprotective effects of albumin, nitrosated or reduced, in cultured rat pulmonary vascular cells.

American journal of physiology. Lung cellular and molecular physiology·2011

相关实验视频

Updated: Jun 3, 2025

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
10:00

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

20.7K

一个现场知识集成网络,用于传输线路多配件检测.

Xinhang Chen1, Xinsheng Xu1, Jing Xu2

  • 1College of Quality & Standardization, China Jiliang University, Hangzhou 310018, China.

Sensors (Basel, Switzerland)
|January 8, 2025
PubMed
概括

本研究介绍了场景知识整合网络 (SKIN),以改进多套装检测. 通过整合场景背景和结构信息,SKIN可以有效地检测封闭和微小的配件.

关键词:
背景信息 背景信息 背景信息深度学习是一种深度学习.对象检测检测对象检测对象检测现场知识 现场知识输电线路配件 输电线路配件

更多相关视频

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

9.8K
Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
11:54

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

9.2K

相关实验视频

Last Updated: Jun 3, 2025

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
10:00

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

20.7K
Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

9.8K
Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
11:54

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

9.2K

科学领域:

  • 计算机视觉 计算机视觉
  • 机器学习 机器学习
  • 电气工程 电气工程

背景情况:

  • 多配件检测任务面临着与封闭和微小物体的挑战.
  • 像Faster R-CNN这样的现有方法与这些特定的检测困难作斗争.

研究的目的:

  • 提出一个新的场景知识整合网络 (SKIN),以解决多套场景中的遮蔽和微型物体检测.
  • 通过整合多样化的场景信息来提高具有挑战性的装饰的识别能力.

主要方法:

  • 开发了具有场景过模块 (SFM) 和场景结构信息模块 (SSIM) 的场景知识整合网络 (SKIN).
  • 根据电场专业知识和操作员习惯定义的"场景",包括全球背景,细粒度的视觉和结构信息.
  • 集成场景语义特征,结合全球上下文,视觉细节和结构数据,以改善特征表示.

主要成果:

  • 与Faster R-CNN和其他最先进的模型相比,拟议的SKIN网络显著提高了多配件检测性能.
  • 封闭和微小尺寸配件的检测性能得到了大幅度的改进.

结论:

  • 场景知识整合网络 (SKIN) 有效地解决了多套检测中的严重阻塞和微小物体问题.
  • 整合场景知识,包括上下文,细节和结构,对于改进具有挑战性的物体检测任务至关重要.