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相关概念视频

Maximum Power Transfer01:16

Maximum Power Transfer

263
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...
263

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高收益平面面板毫米波天线阵列

Seong-Mo Moon1, Junhyuk Cho2, Han Lim Lee2

  • 1Satellite Payload Research Section, ETRI, Daejeon 34129, Republic of Korea.

Sensors (Basel, Switzerland)
|December 9, 2023
PubMed
概括

本研究介绍了一种用于毫米波 (mmWave) 通信的新型平板天线阵列,可以实现高定向性和没有额外层的增益. 开发的4x4阵列在n257频段的28.5GHz时显示了21.3dBi的峰值增益.

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:

  • 毫米波 (mmWave) 通信需要高效的芯片天线集成.
  • 平面天线阵列对于紧的毫米波系统至关重要.
  • 高定向性和增益对于强大的毫米波连接至关重要.

研究的目的:

  • 为毫米波应用引入一种新的平板天线阵列.
  • 为了实现高导向性和增强增益,而无需基层层.
  • 为了验证拟议的天线阵列对n257频段的性能.

主要方法:

  • 在28GHz的4x4平板天线阵列的设计和模拟.
  • 阵列及其独立元件的制造和测量.
  • 集成与1x16毫米波输送网络进行全面测试.

主要成果:

  • 独立的阵列元件实现了20.6%的带宽,以28.5 GHz为中心.
  • 4x4阵列在28.5GHz时显示了21.3dBi的峰值增益.
  • 记录了15°的半功率光束宽度和3dB以下的增强变化.

结论:

关键词:
平面面板天线阵列的天线阵列.高收益天线的天线.毫米波天线天线毫米波天线阵列是一个毫米波天线阵列.

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  • 新的平板天线阵列为毫米波系统提供了高的定向性和增益.
  • 该设计消除了对额外的上层层的需求,简化了集成.
  • 经过验证的性能证实其适用于5G毫米波应用,如n257频段.