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相关概念视频

Generating Electromagnetic Radiations01:10

Generating Electromagnetic Radiations

3.0K
The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
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Maximum Power Transfer01:16

Maximum Power Transfer

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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...
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Full wave rectifier01:22

Full wave rectifier

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A full-wave rectifier is a device that converts alternating current (AC) to direct current (DC) and is more efficient than its half-wave counterpart. It typically includes a center-tapped transformer, two diodes, and a load resistor. The secondary winding of the transformer is divided to provide two equal voltages of opposite polarities, which is the pivotal element of full-wave rectification.
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相关实验视频

Updated: Jul 14, 2025

Design and Optimization Strategies of a High-Performance Vented Box
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Design and Optimization Strategies of a High-Performance Vented Box

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模拟和优化 rectenna 系统的模拟和优化

Melad M Olaimat1, Vahid Nayyeri2, Omar M Ramahi3

  • 1Department of Renewable Energy, Al al-Bayt University, Al Mafraq, Jordan. melad.olaimat@aabu.edu.jo.

Scientific reports
|October 10, 2023
PubMed
概括
此摘要是机器生成的。

本研究引入了一种新的模拟方法,用于预测直角膜系统的性能,将所有组件集成为准确的设计. 这种方法可以在各种参数上进行优化,从而提高直角膜的效率.

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Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
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科学领域:

  • 电磁和无线传输电力的电磁和无线传输.
  • 天线和电路的共同设计

背景情况:

  • 收音机系统将无线电频率 (RF) 能量转换为直流电源.
  • 之前的直角模拟通常分开天线和电路分析,使得简化假设.
  • 在不同条件下准确预测完整的直角系统的性能是具有挑战性的.

研究的目的:

  • 开发一种统一的,基于模拟的方法来预测一个完整的直肠系统的性能.
  • 为了使rectenna设计人员能够在各种事件场参数和频率上评估系统行为.
  • 为了在设计阶段促进整个直视网系统的优化.

主要方法:

  • 一种完全基于模拟的方法,整合了所有直角天线组件:天线,匹配电路和负载电路.
  • 在模拟框架内使用Thevenin定理将辐射部分纳入.
  • 分析性能变化与事件场功率密度,冲击角度和操作频率的变化.

主要成果:

  • 拟议的方法准确地预测了完整的直肠系统的性能.
  • 它允许在设计阶段预测性能,这是以前无法实现的.
  • 该方法可以在整个运行频率范围内实现全系统优化.

结论:

  • 这种新型的模拟方法提供了一个全面的工具来设计和优化直角膜.
  • 它通过整合所有系统组件来克服以前方法的局限性.
  • 实验验证证证实了拟议的模拟技术的准确性和实用性.