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相关概念视频

Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

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In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
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Expected Frequencies in Goodness-of-Fit Tests01:19

Expected Frequencies in Goodness-of-Fit Tests

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A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n)  to the number of categories (k).
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相关实验视频

Updated: Jun 29, 2025

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
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对阵列天线的可靠性评估方法,考虑性能变化.

Xinxin Huang1, Sai Zhu1, Guanhui Liang1

  • 1Department of Electronic and Optical Engineering, Shijiazhuang Campus, Army Engineering University of PLA, Shijiazhuang 050003, China.

Sensors (Basel, Switzerland)
|March 28, 2024
PubMed
概括
此摘要是机器生成的。

这项研究通过考虑发送/接收 (T/R) 模块故障,改善了阵列天线可靠性评估. 新方法准确评估天线性能,解决现有模型中高估问题.

关键词:
阵列天线 阵列天线业绩表现表现的表现表现是什么可靠性评估可靠性评估这是一个 subarray.

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Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
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相关实验视频

Last Updated: Jun 29, 2025

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科学领域:

  • 电气工程 电气工程
  • 可靠性工程可靠性工程
  • 天线理论天线理论

背景情况:

  • 现有的阵列天线可靠性评估方法,如n/k系统,往往高估了可靠性.
  • 这种高估是因为没有充分考虑故障的发送/接收 (T/R) 模块对天线整体性能的影响.

研究的目的:

  • 开发一个更准确的对阵列天线的可靠性评估方法.
  • 通过纳入T/R模块故障引起的性能退化来解决当前方法中的过高估计问题.

主要方法:

  • 建立了一种新的可靠性评估方法,该方法考虑了由于不同位置的T / R模块故障导致的性能变化.
  • 该方法计算不同阵列天线状态的性能和概率,通过总结所有可用状态的概率来确定准确的可靠性.
  • 对于大型阵列天线,开发了一种基于子阵列的方法,分析单个子阵列的性能和可靠性,以计算整体系统可靠性.

主要成果:

  • 拟议的方法成功考虑了T/R模块故障导致的性能变化.
  • 解决了先前可靠性评估技术固有的高估问题.
  • 实现了对阵列天线可靠性评估的准确度的显著改进.

结论:

  • 开发的可靠性评估方法在T/R模块故障条件下更准确地评估了阵列天线性能.
  • 基于子阵列的方法提供了一种有效的方式来评估大规模阵列天线的可靠性.
  • 这项研究提高了关键天线系统的可靠性评估.