Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Absorption of Radiation01:05

Absorption of Radiation

693
The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
693
Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview01:13

Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview

264
Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
The ATR process begins by directing a beam...
264
IR Spectrum01:19

IR Spectrum

892
When infrared (IR) radiation passes through a molecule, the bonds stretch or bend by absorbing the radiation. This absorption creates the molecule's absorption spectrum, which is the plot of its percentage transmittance versus wavenumber.
Transmittance is defined as the ratio of the radiant power passing through a sample to that from the radiation's source. Multiplying the transmittance by 100 gives the percent transmittance (%T), which varies between 100% (no absorption) and 0%...
892
IR Spectrometers01:25

IR Spectrometers

1.1K
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...
1.1K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Traceable random numbers from a non-local quantum advantage.

Nature·2025
Same author

Effects of pharmacological and non-pharmacological interventions for the management of sleep problems in people with fibromyalgia: a multi-methods evidence synthesis.

Health technology assessment (Winchester, England)·2025
Same author

<sup>1</sup>H NMR spectra modeling for predicting the acid, saponification, and iodine values of bio-waxes derived from vegetable oils.

Food chemistry·2025
Same author

A Liquid-Core Fiber Platform for Classical and Entangled Two-Photon Absorption Measurements.

ACS photonics·2025
Same author

Shot noise-mitigated secondary electron imaging with ion count-aided microscopy.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Shot noise-mitigated secondary electron imaging with ion count-aided microscopy.

ArXiv·2024

相关实验视频

Updated: May 24, 2025

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

15.3K

基于吸收的,从高光谱热测量的被动范围成像.

Unay Dorken Gallastegi, Hoover Rueda-Chacon, Martin J Stevens

    IEEE transactions on pattern analysis and machine intelligence
    |March 3, 2025
    PubMed
    概括
    此摘要是机器生成的。

    这项研究提出了一种使用长波红外高光谱数据的新被动范围成像方法. 它准确地估计了在没有主动照明的自然场景中的物体距离和属性,即使是接近环境温度的物体.

    更多相关视频

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
    09:01

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

    Published on: April 16, 2017

    7.7K
    RGB and Spectral Root Imaging for Plant Phenotyping and Physiological Research: Experimental Setup and Imaging Protocols
    11:37

    RGB and Spectral Root Imaging for Plant Phenotyping and Physiological Research: Experimental Setup and Imaging Protocols

    Published on: August 8, 2017

    16.1K

    相关实验视频

    Last Updated: May 24, 2025

    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
    13:44

    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

    Published on: December 27, 2012

    15.3K
    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
    09:01

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

    Published on: April 16, 2017

    7.7K
    RGB and Spectral Root Imaging for Plant Phenotyping and Physiological Research: Experimental Setup and Imaging Protocols
    11:37

    RGB and Spectral Root Imaging for Plant Phenotyping and Physiological Research: Experimental Setup and Imaging Protocols

    Published on: August 8, 2017

    16.1K

    科学领域:

    • 遥感 遥感 遥感 遥感
    • 光学物理学 光学物理学
    • 红外光谱学 红外光谱学

    背景情况:

    • 被动的高光谱长波红外线 (LWIR) 测量提供了丰富的环境信息.
    • 物体的材料和温度决定了热辐射光谱,通过大气传播而改变.
    • 现有的方法在与接近环境温度的物体进行斗争.

    研究的目的:

    • 引入一个被动范围成像方法,用于LWIR高光谱数据.
    • 在考虑大气影响的情况下,共同估计范围和内在物体属性.
    • 解决与环境温度偏差最小的距离物体的挑战.

    主要方法:

    • 开发一种计算方法来分离辐射现象.
    • 采用一个参数模型用于大气吸收和平稳的排放性调节.
    • 实施一种检测反射下流影响的技术,以评估准确性.

    主要成果:

    • 在自然场景中成功恢复了从15米到150米的范围特征.
    • 通过模拟演示了调整,温度差异和光谱带的重要性.
    • 取得了良好的质量协议与激光雷达数据的像素与微不足道的反射下降.

    结论:

    • 拟议的被动方法允许准确的远程对象测距和属性估计.
    • 对空气排放和调节的明确考虑对性能至关重要.
    • 该技术在没有主动照明的情况下显示出对监视和环境监测的应用有希望.