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相关概念视频

Interference and Diffraction02:18

Interference and Diffraction

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Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
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The electromagnetic spectrum consists of all the types of electromagnetic radiation arranged according to their frequency and wavelength. Each of the various colors of visible light has specific frequencies and wavelengths associated with them, and you can see that visible light makes up only a small portion of the electromagnetic spectrum. Because the technologies developed to work in various parts of the electromagnetic spectrum are different, for reasons of convenience and historical...
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Electromagnetic waves are categorized according to their wavelengths and frequencies, giving the electromagnetic spectrum. These waves are classified as radio, infrared, ultraviolet, etc. Radio waves refer to electromagnetic radiation with wavelengths ranging from millimeters to kilometers. Radio waves are commonly used for audio communications (i.e., radios) and typically result from an alternating current in the wires of a broadcast antenna. They cover a broad wavelength range and are used...
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According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is...
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无机高性能纤维基材料用于电磁干扰屏蔽:基础,制造和新兴应用.

Sijie Qiao1, Zhicheng Shi1, Aixin Tong1

  • 1State Key Laboratory of New Textile Materials and Advanced Processing, Wuhan Textile University, Wuhan, 430200, People's Republic of China.

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概括

开发具有增强表面性能的先进无机高性能纤维 (IHPF) 对于有效的电磁干扰 (EMI) 屏蔽至关重要. 表面修改策略提高了接口兼容性,使强大的,多功能EMI屏蔽复合材料适用于苛刻的应用.

关键词:
原子层沉积的原子层沉积.电磁保护 电磁保护电磁屏蔽是一种电磁屏蔽.未来的挑战 未来的挑战无机高性能纤维/织物 无机高性能纤维/织物机理机制 机理机制

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 电磁学 电磁学 电磁学 电磁学

背景情况:

  • 在工业,军事和航空航天领域,对有效的电磁干扰 (EMI) 和电磁辐射屏蔽的需求日益增加.
  • 无机高性能纤维 (IHPF) 为集成的EMI屏蔽系统提供轻量级,耐用和稳定的解决方案.
  • 大多数IHPF的表面惰性和不良的界面兼容性限制了它们与高性能复合材料的整合.

研究的目的:

  • 审查IHPF的表面修改策略,以提高其电磁屏蔽能力.
  • 探索改善IHPF基复合材料的界面粘附和长期可靠性的方法.
  • 总结了EMI屏蔽和隐形应用的功能化IHPF的最新进展和未来方向.

主要方法:

  • 对IHPF的"干"和"湿"表面修改技术的审查.
  • 对制造EMI屏蔽功能层的原理和加工方法的分析.
  • 在EMI屏蔽保护和雷达吸收隐形中的应用概述.

主要成果:

  • 表面修改使IHPF上具有强大的功能层,提高了接口兼容性和粘附性.
  • 功能化的IHPF在复合材料中显示出高强度,模量和多功能性的潜力.
  • 战略涉及EMI屏蔽材料的长期服务可靠性和环境稳定性.

结论:

  • 表面功能化是释放IHPF在先进的EMI屏蔽方面的全部潜力的关键.
  • 对于高端领域的大规模,稳定的应用,需要进一步的研究.
  • 加快下一代轻量级,可持续和多功能EMI屏蔽材料的开发.