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相关概念视频

Maximum Power Transfer01:16

Maximum Power Transfer

236
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.
By substituting the entire circuit with...
236
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

128
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...
128

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
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紧型和高度隔离的微条纹补丁天线系统用于全双重/MIMO应用程序.

Phuong Kim-Thi1, Tuyen Pham-Danh2

  • 1Faculty of Electrical and Electronic Engineering, Thuyloi University, Hanoi, Viet Nam.

Heliyon
|October 22, 2024
PubMed
概括

本研究介绍了一种紧的双端口微条纹补丁天线系统,旨在完全双重和MIMO应用. 它通过使用一种新的脱网络实现了高度隔离和小足迹,使其成为先进的无线通信系统的理想选择.

科学领域:

  • 电气工程 电气工程
  • 天线理论天线理论
  • 无线通信无线通信

背景情况:

  • 全双流和MIMO系统需要具有高隔离性的紧天线.
  • 现有的天线设计往往难以平衡尺寸,隔离和性能.
  • 微型化和有效解是现代天线工程中的关键挑战.

研究的目的:

  • 提出一种新的两端口微条纹补丁天线系统.
  • 为了实现紧的尺寸和高隔离,用于全双重和MIMO应用.
  • 通过使用有缺陷的地面结构脱网络来演示小型化方法.

主要方法:

  • 使用两个四分之一波长补丁天线在H平面合配置.
  • 使用有缺陷的地面结构 (DGS) 作为节省空间的分离网络.
  • 在中心频率处安排天线元件,最小间距为0.008 λ.

主要成果:

  • 实现了0.49 λ × 0.37 λ × 0.01 λ 的紧天线尺寸.
  • 在2.452.48 GHz频段运行,隔离超过30dB (最大42dB).
  • 获得了3.8dBi的增益,并表现出良好的多样性性能.
关键词:
紧的紧的 紧的一个全双层的双层住宅.高隔离的高度隔离.这就是"MIMO MIMO".补丁 补丁 补丁 补丁 补丁

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结论:

  • 拟议的天线设计提供了最小的整体尺寸,在可比作品之间最小的元素间距.
  • 储蓄存储系统脱网络有效地减少尺寸,而不会影响隔离.
  • 该天线系统非常适合空间有限的全双重和MIMO无线应用.