CN109342350A - A kind of pollutant distribution IR spectrum scanning imaging telemetry system - Google Patents
A kind of pollutant distribution IR spectrum scanning imaging telemetry system Download PDFInfo
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 17
- 238000002329 infrared spectrum Methods 0.000 title claims abstract description 17
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 17
- 238000003384 imaging method Methods 0.000 title description 4
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 15
- 238000001228 spectrum Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000011109 contamination Methods 0.000 abstract description 5
- 238000002835 absorbance Methods 0.000 abstract 1
- 238000004880 explosion Methods 0.000 abstract 1
- 238000004445 quantitative analysis Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- MCMSPRNYOJJPIZ-UHFFFAOYSA-N cadmium;mercury;tellurium Chemical compound [Cd]=[Te]=[Hg] MCMSPRNYOJJPIZ-UHFFFAOYSA-N 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012625 in-situ measurement Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N2021/3595—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using FTIR
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Abstract
The invention discloses a kind of pollutant distribution IR spectrum scannings, and telemetry system is imaged, and mainly includes infra-red radiation receiving telescope, Fourier Transform Infrared Spectrometer, colored zoom camera, heavy speed change holder and portable computer etc..The present invention is based on Fourier transform infrared spectroscopy passive measurement technologies, by the two-dimensional scanning of holder, the equivalent radiated power temperature difference of background and object gas, the infra-red absorbance signals of target gas are utilized, in conjunction with quantitative analysis method, contamination gas scapus concentration Two dimensional Distribution in target area is finally obtained.Present system can be realized polluted gas two dimension concentration distribution on-line measurement, and the atmosphere pollution accident that can be used for the happening suddenly such as emergency monitoring when leakage, burning, explosion provides a kind of live remote-measuring equipment for burst atmosphere pollution accident monitoring.
Description
Technical field
The invention belongs to atmosphere environment supervision technology and spectral measurement methods fields, and in particular to a kind of pollutant distribution is red
External spectrum scanning imagery telemetry system.
Background technique
In recent years, China's rapid economic development, burst atmosphere pollution accident caused by all kinds of productions, life activity is also sharply
Rise.The atmosphere pollution accident that happens suddenly, which has, occurs a large amount of hazardous contaminants of discharge, discharge amount and rule in the unexpected, short time
The features such as dynamic change, contamination class and degree are difficult to control, and constitute huge prestige to human health, ecological environment and economic development
The side of body.Efficient, accurate emergency monitoring technology and equipment are researched and developed, for prevention burst atmosphere pollution accident, in prevention in advance, thing
Monitor to restore afterwards it is each during play an important role, for improving the science of burst atmosphere pollution accident emergency
Property with it is effective, the harm for reducing human health is of great significance.
Currently, generally using the side of emergency monitoring vehicle field monitoring for burst atmosphere pollution scene of the accident gas-monitoring
Formula, emergency car configure a variety of atmospheric trace gas inspections such as Quick test tube, detection case, mass spectrum, Chromatography/Mass Spectrometry, gas sensor
Survey technology has the ability for acquiring outdoor atmosphere or emission in real time, provides air quality monitoring required when emergency management and rescue.Often
It is short to advise gas sensor service life, measurement ingredient is limited, and precision is lower；Gas chromatography is good with selectivity, precision is high
The features such as, but need to carry out sample low temperature enrichment method, heating parsing, then be equipped with appropriate detector and detected, it measures
Period is longer, is not suitable for on-site on-line measurement.Therefore, exploitation is with measuring speed is fast, measurement accuracy is high, it is simple to operate with
Multicomponent gas in-situ measurement equipment is of great significance for improving China's burst atmosphere pollution accident emergency monitoring technology.
Along with the rapid development of computer technology, Fourier transform infrared (FTIR) spectral technique is rapidly to send out in recent years
A kind of comprehensive Detection Techniques that exhibition is got up.FTIR spectrum technology has high resolution, high sensitivity, fast response time, measurement
Wide waveband, without sample acquisition, can remote telemetering the advantages that, be widely used in environment, agricultural, petroleum, food, bioid
The fields such as work, pharmacy and medicine.FTIR spectrum technology includes actively and passively two kinds of measurement methods, wherein passive measurement is not necessarily to
Artificial infrared light supply, thus have the characteristics that motor-driven, quick and easy to operate, and measurement range is bigger, especially suitable for burst
Property atmosphere pollution accident Passive remote sensing.
Summary of the invention
The purpose of the present invention is being directed to the deficiency of existing sudden atmosphere pollution scene of the accident monitoring technology, one kind is provided
Pollutant distribution IR spectrum scanning be imaged telemetry system, may be implemented testing staff conveniently Portable device enter it is prominent
The atmosphere scene of the accident or nearby is sent out, fast and accurately qualitative and quantitative inspection at a distance is carried out to the gas in measured target region
It surveys, obtains object gas column concentration Two dimensional Distribution situation, the live atmosphere environment supervision for sudden atmosphere pollution accident provides
Reliable monitoring device provides effective data supporting for burst atmosphere pollution accident emergency decision and disposition.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of pollutant distribution IR spectrum scanning imaging telemetry system, it is characterised in that: including infra-red radiation receiving telescope
(1), Fourier Transform Infrared Spectrometer (2), colored zoom camera (3), heavy speed change holder (4), portable computer (5) and
Parabolic lens (9)；The infra-red radiation receiving telescope (1), Fourier Transform Infrared Spectrometer (2) are located at parabolic lens (9)
Incidence and reflected light path on, the Fourier Transform Infrared Spectrometer (2), colored zoom camera (3) signal output end with
Portable computer (5) connection, portable computer (5) and heavy speed change holder (4) control and connect；The Fourier transformation is red
External spectrum instrument (2) includes beam splitting chip (10), compensating plate (11), horizontal glass (12), index glass (13), reflecting mirror (14) and infrared detector
(15), the compensating plate (11) is mounted on the back side of beam splitting chip (10), and horizontal glass (12), index glass (13) are separately positioned on beam splitting chip
(10) in reflection and transmitted light path, reflecting mirror (14) is arranged on the reflected light path of horizontal glass (12), and infrared detector (15) is set
It sets on the reflected light path of reflecting mirror (14), optical path difference is generated by the back and forth movement of index glass (13), realizes the dry of infra-red radiation
Signal modulation is related to, infrared detector (15) is for receiving infrared interference signal；The infra-red radiation receiving telescope (1) is for being
System receives infrared radiation signal, reflects after convergence through parabolic lens (9) and imports Fourier Transform Infrared Spectrometer (2), completes infrared
Spectral measurement, colored zoom camera (3) are used for photographic subjects measured zone visual picture, and heavy speed change holder (4) is realized entire
The Two Dimensional Rotating of system scans, portable computer (5) completes ir data processing, the acquisition of visual picture saves and
The scan control of holder.
A further improvement of the present invention lies in that: infra-red radiation receiving telescope (1) is designed using Cassegrain's formula structure, packet
One piece of time spherical reflector (6), two pieces of main spherical reflectors (7) and (8) are included, the infra-red radiation in target measurement region is through cue ball face
Reflecting mirror (7) and (8) are reflected into time spherical reflector (6) and converge to telescope rear end.
A further improvement of the present invention lies in that: infrared detector (15) uses the MCT(mercury cadmium telluride of liquid nitrogen refrigerating) photoconduction
Detector, Fourier Transform Infrared Spectrometer (2) resolution ratio are at least 4cm-1。
A further improvement of the present invention lies in that: Fourier Transform Infrared Spectrometer (2), parabolic lens (9) are placed in outside receiving end
It in shell (16), receives end housing (16) and is fixedly connected with infra-red radiation receiving telescope (1), receive end housing (16) and be placed in heavy type
On speed change holder (4).
A further improvement of the present invention lies in that: colored zoom camera (3), which is installed on, to be received on end housing (16), installation position
The level height for setting central point is identical as the level height of infra-red radiation receiving telescope (1) central point；Colored zoom camera (3)
Background of the target measurement region visual picture of shooting as gas concentration Two dimensional Distribution.
A further improvement of the present invention lies in that: heavy speed change holder (4) can be achieved horizontal and vertical directions rotation and sweep
It retouches, 0~360 ° of horizontal movement range, -45 °~+45 ° of vertical range, whole system is set in addition to portable computer (5)
On holder, by the rotary scanning of holder, infrared radiation signal two-dimensional measurement in target area is realized.
A further improvement of the present invention lies in that: telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning,
It is characterized by: the portable computer (5) passes through with Fourier Transform Infrared Spectrometer (2), colored zoom camera (3)
Cable connection, with heavy speed change holder (4) by serial communication, portable computer (5) includes the TT&C software of system, is realized
The rotary scanning of system, visual picture acquisition, spectra collection, gas concentration inverting, concentration distribution are merged with visual picture.
The invention has the advantages that
The present invention provides a kind of pollutant distribution IR spectrum scanning imaging telemetry systems, it can be achieved that sudden atmosphere pollution thing
Therefore contamination gas scapus concentration Two dimensional Distribution real-time measurement, can be used for happening suddenly atmosphere scene of the accident emergency monitoring, dirty for burst atmosphere
Dye accident emergency monitoring provides a kind of reliable apparatus.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning.
Figure label: 1. infra-red radiation receiving telescopes, 2. Fourier Transform Infrared Spectrometer, 3. colored zoom cameras,
4. heavy speed change holder, 5. portable computers, 6. spherical reflectors, 7. main spherical reflectors, 8. main spherical reflectors, 9.
Parabolic lens, 10. beam splitting chips, 11. compensating plates, 12. horizontal glass, 13. index glass, 14. reflecting mirrors, 15. infrared detectors, 16. receiving ends
Shell.
Specific embodiment
The embodiment of invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning, is mainly received and hoped by infra-red radiation
Remote mirror 1, Fourier Transform Infrared Spectrometer 2, colored zoom camera 3, heavy speed change holder 4 and portable computer 5 form；Its
In, infra-red radiation receiving telescope 1 receives infrared radiation signal for system, reflects after convergence through parabolic lens 9 and imports Fourier
Transform infrared spectroscopy instrument 2, completes infrared spectrometry, and colored zoom camera 3 is used for photographic subjects measured zone visual picture, weight
Type speed change holder 4 realizes the Two Dimensional Rotating scanning of whole system, and portable computer 5 completes ir data and handles, is visible
The acquisition of image saves and the scan control of holder.
System is mounted on heavy speed change holder 4 in addition to portable computer 5, holder can realize horizontal extent 0~
360 ° and -45 °~+45 ° of vertical range of Two Dimensional Rotating scans.
The target area for choosing certain distance is used as measurement object, by colored zoom camera 3 shooting visual picture, can
See setting infrared scan region in image, system monitoring software sets two dimension according to the size relation of visible visual field and infrared visual field
Scanning array, after the completion of setting, carry out setting regions in two-dimensional scanning, the measurement process of a single point include holder positioning,
The processes such as interference signal modulation and detection, data processing, gas column retrieving concentration, text specific as follows.
Infrared radiation signal is received and is converged.The infra-red radiation in target measurement region enters receiving telescope 1, through two pieces of masters
Spherical reflector 7 and 8 reaches time spherical reflector 6 after reflecting, and converges to telescope rear end after the reflection of secondary spherical reflector 6,
Then after the reflection of parabolic lens 9, Fourier Transform Infrared Spectrometer 2 is imported.
Infrared interference signal modulation and detection.Fourier Transform Infrared Spectrometer 2 include beam splitting chip 10, compensating plate 11,
Horizontal glass 12, index glass 13, reflecting mirror 14 and infrared detector 15；The compensating plate 11 is mounted on the back side of beam splitting chip 10, horizontal glass 12,
Index glass 13 is separately positioned in the reflection and transmitted light path of beam splitting chip 10, and reflecting mirror 14 is arranged on the reflected light path of horizontal glass 12,
Infrared detector 15 is arranged on the reflected light path of reflecting mirror 14；Optical path difference is generated by the back and forth movement of index glass 13, is realized red
The interference signal of external radiation is modulated, and infrared detector 15 uses liquid nitrogen system for receiving infrared interference signal, infrared detector 15
Cold MCT(mercury cadmium telluride) photoconductive detector.
Infrared spectroscopy restores and data processing.The infrared interference signal detected is sent into portable computing after amplification filtering
The acquisition of machine 5 and data processing, data processing are completed by the TT&C software of system, first progress spectrum recovering, are specifically included dry
Figure apodization, phase only pupil filter and Fourier transformation (FFT) are related to, after completing spectrum recovering, then gas column retrieving concentration is carried out, passes through packet
The characteristic spectrum information for having contained object gas absorption or radiation characteristic, in conjunction with reference infrared spectra database and non-linear minimum
Two multiply fitting algorithm, and inverting obtains object gas column concentration information.
After obtaining the contamination gas scapus concentration information of single measurement point, by the two-dimensional scanning of heavy speed change holder 4, obtain
Gas column concentration two-dimensional distribution is finally added to colored zoom camera 3 by target area contamination gas scapus concentration Two dimensional Distribution
On the visual picture of shooting, column concentration distribution pseudocolour picture is obtained with visible light background and merges figure, carries out visualization presentation.
The above content is to further description made by embodiment of the present invention, and it cannot be said that specific reality of the invention
The mode of applying is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not departing from present inventive concept
Under the premise of, several simple deduction or replace can also be made, all shall be regarded as belonging to claims that the present invention is submitted
Determine scope of patent protection.
Claims (7)
1. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning, it is characterised in that: look in the distance including infra-red radiation reception
Mirror (1), Fourier Transform Infrared Spectrometer (2), colored zoom camera (3), heavy speed change holder (4), portable computer (5)
With parabolic lens (9)；The infra-red radiation receiving telescope (1), Fourier Transform Infrared Spectrometer (2) are located at parabolic lens
(9) in incidence and reflected light path, the Fourier Transform Infrared Spectrometer (2), colored zoom camera (3) signal output end
It is connect with portable computer (5), portable computer (5) and heavy speed change holder (4) control and connect；The Fourier transformation
Infrared spectrometer (2) includes beam splitting chip (10), compensating plate (11), horizontal glass (12), index glass (13), reflecting mirror (14) and infrared acquisition
Device (15), the compensating plate (11) are mounted on the back side of beam splitting chip (10), and horizontal glass (12), index glass (13) are separately positioned on beam splitting chip
(10) in reflection and transmitted light path, reflecting mirror (14) is arranged on the reflected light path of horizontal glass (12), and infrared detector (15) is set
It sets on the reflected light path of reflecting mirror (14), optical path difference is generated by the back and forth movement of index glass (13), realizes the dry of infra-red radiation
Signal modulation is related to, infrared detector (15) is for receiving infrared interference signal；The infra-red radiation receiving telescope (1) is for being
System receives infrared radiation signal, reflects after convergence through parabolic lens (9) and imports Fourier Transform Infrared Spectrometer (2), completes infrared
Spectral measurement, colored zoom camera (3) are used for photographic subjects measured zone visual picture, and heavy speed change holder (4) is realized entire
The Two Dimensional Rotating of system scans, portable computer (5) completes ir data processing, the acquisition of visual picture saves and
The scan control of holder.
2. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning according to claim 1, it is characterised in that: institute
It states infra-red radiation receiving telescope (1) to design using Cassegrain's formula structure, including one piece spherical reflector (6), two pieces of masters
Spherical reflector (7) and (8), it is anti-that the infra-red radiation in target measurement region through main spherical reflector (7) and (8) is reflected into time spherical surface
It penetrates mirror (6) and converges to telescope rear end.
3. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning according to claim 1, it is characterised in that: institute
The MCT photoconductive detector that infrared detector (15) use liquid nitrogen refrigerating is stated, Fourier Transform Infrared Spectrometer (2) resolution ratio is extremely
It is less 4cm-1。
4. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning according to claim 1, it is characterised in that: institute
State Fourier Transform Infrared Spectrometer (2), parabolic lens (9) be placed in receive end housing (16) in, receive end housing (16) with it is infrared
Radiation receiving telescope (1) is fixedly connected, and is received end housing (16) and is placed on heavy speed change holder (4).
5. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning according to claim 4, it is characterised in that: institute
It states colored zoom camera (3) to be installed in reception end housing (16), the level height and infra-red radiation of installation site central point
The level height of receiving telescope (1) central point is identical；The target measurement region visual picture of colored zoom camera (3) shooting is made
For the background of gas concentration Two dimensional Distribution.
6. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning according to claim 1, it is characterised in that: institute
Stating heavy speed change holder (4) can be achieved horizontal and vertical directions rotary scanning, 0~360 ° of horizontal movement range, vertical to transport
Dynamic -45 °~+45 ° of range, whole system are placed on holder in addition to portable computer (5), are swept by the rotation of holder
It retouches, realizes infrared radiation signal two-dimensional measurement in target area.
7. telemetry system is imaged in a kind of pollutant distribution IR spectrum scanning according to claim 1, it is characterised in that: institute
State portable computer (5) and Fourier Transform Infrared Spectrometer (2), colored zoom camera (3) is connect by cable, and again
Type speed change holder (4) includes the TT&C software of system by serial communication, portable computer (5), realizes that the rotation of system is swept
It retouches, visual picture acquisition, spectra collection, gas concentration inverting, concentration distribution is merged with visual picture.
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Cited By (9)
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| CN112782118A (en) * | 2020-12-24 | 2021-05-11 | 中国科学院合肥物质科学研究院 | Multichannel methane leakage optical remote measuring device and measuring method |
| CN113129215A (en) * | 2021-04-29 | 2021-07-16 | 中国科学院合肥物质科学研究院 | FTIR passive telemetering scanning imaging high-resolution reconstruction method for polluted gas |
| CN113252609A (en) * | 2021-05-31 | 2021-08-13 | 昆明物理研究所 | On-site continuous monitoring device for dangerous gas leakage of coal-to-liquid chemical plant |
| CN113504181A (en) * | 2021-08-04 | 2021-10-15 | 梁宵 | Gas cloud monitoring device and monitoring method based on Fourier infrared spectrum technology |
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| CN114424047A (en) * | 2019-09-09 | 2022-04-29 | 格兰德远景有限公司 | System and method for monitoring airspace of an enlarged plot |
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| CN113129215B (en) * | 2021-04-29 | 2022-11-22 | 中国科学院合肥物质科学研究院 | FTIR passive telemetering scanning imaging high-resolution reconstruction method for polluted gas |
| CN113129215A (en) * | 2021-04-29 | 2021-07-16 | 中国科学院合肥物质科学研究院 | FTIR passive telemetering scanning imaging high-resolution reconstruction method for polluted gas |
| CN113252609A (en) * | 2021-05-31 | 2021-08-13 | 昆明物理研究所 | On-site continuous monitoring device for dangerous gas leakage of coal-to-liquid chemical plant |
| CN113504181A (en) * | 2021-08-04 | 2021-10-15 | 梁宵 | Gas cloud monitoring device and monitoring method based on Fourier infrared spectrum technology |
| CN113504181B (en) * | 2021-08-04 | 2024-06-28 | 梁宵 | Fourier infrared spectrum technology-based gas cloud monitoring device and method |
| CN114460027A (en) * | 2021-12-30 | 2022-05-10 | 中船重工安谱（湖北）仪器有限公司 | System and method for detecting area of trace substance by FTIR spectrometer |
| CN114563084A (en) * | 2022-02-07 | 2022-05-31 | 中电科思仪科技股份有限公司 | Real-time Fourier infrared spectrum radiation measurement system and measurement method |
| CN117451658A (en) * | 2023-12-11 | 2024-01-26 | 安徽砺剑防务科技有限公司 | Fourier transform infrared spectrum gas detection device |
| CN118010667A (en) * | 2024-04-10 | 2024-05-10 | 吉林大学 | Method for detecting gas concentration by infrared camera based on system identification |
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