CN109470647B - 一种水蒸气太赫兹吸收谱的测量方法 - Google Patents
一种水蒸气太赫兹吸收谱的测量方法 Download PDFInfo
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- PHTXVQQRWJXYPP-UHFFFAOYSA-N ethyltrifluoromethylaminoindane Chemical compound C1=C(C(F)(F)F)C=C2CC(NCC)CC2=C1 PHTXVQQRWJXYPP-UHFFFAOYSA-N 0.000 claims description 3
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
- G01N21/3586—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation by Terahertz time domain spectroscopy [THz-TDS]
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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Abstract
Description
吸收峰序号 | 现有技术测得的频率(THz) | 本发明方法测得的频率(THz) |
1 | 0.557 | 0.5594 |
2 | 0.753 | 0.7527 |
3 | 0.989 | 0.9909 |
4 | 1.098 | 1.0947 |
5 | 1.164 | 1.1719 |
6 | 1.2264 | 1.2305和1.2891 |
7 | 1.4116 | 1.4106 |
8 | 1.603 | 1.6061 |
9 | 1.67107 | 1.6792 |
10 | 1.718 | 1.7178 |
11 | 1.7984 | 1.8064 |
12 | 1.869 | 1.8701 |
13 | 1.9207 | 1.9236 |
14 | 2.0759 | 2.0708 |
15 | 2.2644 | 2.2852 |
16 | 2.3459 | 2.3438 |
17 | 2.3932 | 2.3952 |
Claims (8)
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CN109977349B (zh) * | 2019-04-03 | 2023-04-07 | 北京环境特性研究所 | 滤除太赫兹信号中水蒸气吸收峰的方法和装置 |
CN114295577B (zh) * | 2022-01-04 | 2024-04-09 | 太赫兹科技应用(广东)有限公司 | 一种太赫兹检测信号的处理方法、装置、设备和介质 |
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US5623145A (en) * | 1995-02-15 | 1997-04-22 | Lucent Technologies Inc. | Method and apparatus for terahertz imaging |
US5710430A (en) * | 1995-02-15 | 1998-01-20 | Lucent Technologies Inc. | Method and apparatus for terahertz imaging |
KR101074003B1 (ko) * | 2008-11-07 | 2011-10-17 | 한국과학기술원 | 테라헤르츠 시간 도메인 분광 장치 및 상기 분광 장치를 이용한 영상 장치 |
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US9507042B2 (en) * | 2012-08-31 | 2016-11-29 | Lumina Geophysical LLC | System and method for constrained least-squares spectral processing and analysis of seismic data |
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CN103454637B (zh) * | 2013-09-07 | 2015-05-20 | 西安电子科技大学 | 基于调频步进频的太赫兹逆合成孔径雷达成像方法 |
CN103745085B (zh) * | 2013-12-16 | 2017-01-11 | 西安交通大学 | 一种旋转机械振动信号的数据驱动阈值降噪方法 |
CN104215599A (zh) * | 2014-08-06 | 2014-12-17 | 首都师范大学 | 一种利用THz-TDS技术定量检测粮食中农药残留的方法 |
CN104181122A (zh) * | 2014-08-06 | 2014-12-03 | 首都师范大学 | 利用太赫兹时域光谱技术检测粮食中农药含量的方法 |
CN104316487B (zh) * | 2014-09-19 | 2017-02-15 | 北京环境特性研究所 | 违禁物品检测方法和装置 |
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CN104406923A (zh) * | 2014-11-14 | 2015-03-11 | 首都师范大学 | 一种利用THz-TDS技术定量检测粮食中氨基酸含量的方法 |
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