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相关概念视频

IR Spectrometers01:25

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...

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模拟和复制直接太阳辐射利用格异常分散的模拟和复制.

Junjie Yang1, Jian Zhang1,2,3, Bin Zhao1

  • 1School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun 130022, China.

Sensors (Basel, Switzerland)
|December 31, 2025
PubMed
概括

这项研究引入了一种新的直接太阳辐射模拟方法,以恒定辐射率达到31.7'太阳角度直径. 这一突破克服了当前用于先进应用的太阳能模拟器技术的局限性.

关键词:
梁重建 梁重建 梁重建模拟直接太阳辐射的模拟格子格子异常分散太阳能角度直径模拟太阳能模拟器太阳能模拟器光谱形状重建的重建.

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科学领域:

  • 光学工程是指光学工程.
  • 模拟可再生能源的模拟
  • 放射测量是一种放射测量.

背景情况:

  • 传统的太阳能模拟器很难平衡辐射照明和角度直径.
  • 现有的技术无法实现太阳恒定辐射,其角径为32'以下.

研究的目的:

  • 提出和验证一种新的直接太阳辐射模拟方法.
  • 为了克服实现高保真太阳能模拟的技术挑战.

主要方法:

  • 利用格子异常分散用于直接太阳辐射模拟.
  • 开发了一种新架构,采用光谱调制光学引擎,衍射组合系统和多孔径成像重建.
  • 通过光学系统的模拟来验证性能.

主要成果:

  • 实现了太阳直接辐射模拟器,其角度直径为31.7',辐射强度高于太阳常数.
  • 已证明A+级光谱匹配AM0G和AM1.5G太阳光谱,具有很高的统一性.
  • 该系统是第一个实现太阳恒定的系统,其角径小于32'.

结论:

  • 提出的方法彻底改变了传统的太阳能模拟器设计和原理.
  • 这项技术解决了当前太阳能模拟能力的缺陷.
  • 在太阳直接辐射模拟的理论系统和实际应用方面取得了重大进展.