RU2011144491A - METHOD FOR FORMING A BASIS OF SPECTRAL DATA FOR FOURIER SPECTRADIO-RADIOMETERS - Google Patents
METHOD FOR FORMING A BASIS OF SPECTRAL DATA FOR FOURIER SPECTRADIO-RADIOMETERS Download PDFInfo
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- RU2011144491A RU2011144491A RU2011144491/28A RU2011144491A RU2011144491A RU 2011144491 A RU2011144491 A RU 2011144491A RU 2011144491/28 A RU2011144491/28 A RU 2011144491/28A RU 2011144491 A RU2011144491 A RU 2011144491A RU 2011144491 A RU2011144491 A RU 2011144491A
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Abstract
Способ формирования базы спектральных данных для Фурье-спектрорадиометров, включающий в себя создание модельных парогазовых облаков веществ с контролируемыми интегральными концентрациями компонентов в объеме газовой камеры, регистрацию Фурье-спектрорадиометром спектров пропускания этими облаками излучения от источника типа «абсолютно черное тело» и расчет спектральных коэффициентов пропускания для подлежащих идентификации веществ, отличающийся тем, что при регистрации Фурье-спектрорадиометром спектров парогазовых облаков веществ создают модельные облака с оптической плотностью D=1,105÷1,112 на характеристических спектральных линиях, регистрацию спектров проводят при максимально достижимой разнице температур источника излучения и модельного облака, одновременно в реальном масштабе времени лабораторным Фурье-спектрометром с модифицированной оптической схемой контролируют на характеристических спектральных линиях оптическую плотность находящегося непосредственно в поле зрения Фурье-спектрорадиометра модельного парогазового облака и без отбора проб определяют мгновенные значения интегральной по глубине облака концентрации его компонентов через интервалы времени, соизмеримые со временем квазистационарности модельного облака.A method for generating a spectral database for Fourier spectroradiometers, including the creation of model vapor-gas clouds of substances with controlled integrated component concentrations in the volume of a gas chamber, the Fourier spectroradiometer recording the transmission spectra of these clouds from an absolutely black body type source and calculating spectral transmittance for substances to be identified, characterized in that when a Fourier spectroradiometer registers the spectra of vapor-gas clouds, Model clouds with an optical density of D = 1.105 ÷ 1.112 are created on the characteristic lines on the characteristic spectral lines, the spectra are recorded at the maximum achievable temperature difference between the radiation source and the model cloud, and simultaneously, in real time, a laboratory Fourier spectrometer with a modified optical circuit is used to monitor the optical spectral lines the density of the model vapor-gas cloud located directly in the field of view of the Fourier spectroradiometer and without sampling is determined instantaneous values of the concentration of its components integrated over the depth of the cloud at time intervals commensurate with the quasistationary time of the model cloud.
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RU2011144491/28A RU2502967C2 (en) | 2011-11-02 | 2011-11-02 | Method of forming spectral database for fourier spectroradiometers |
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RU2011144491/28A RU2502967C2 (en) | 2011-11-02 | 2011-11-02 | Method of forming spectral database for fourier spectroradiometers |
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RU2011144491A true RU2011144491A (en) | 2013-05-10 |
RU2502967C2 RU2502967C2 (en) | 2013-12-27 |
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RU2691668C1 (en) * | 2018-05-29 | 2019-06-17 | Федеральное государственное бюджетное учреждение "33 Центральный научно-исследовательский испытательный институт" Министерства обороны Российской Федерации | Aerostatic method of simulating clouds of contaminated air with given spectral composition of optical radiation for technical diagnosis of fourier spectroradiometer |
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US5298751A (en) * | 1992-03-20 | 1994-03-29 | Aerojet-General Corporation | Remote active vapor concentration measurement system and method thereof |
RU103400U1 (en) * | 2010-04-05 | 2011-04-10 | ФГУ 33 Центральный научно-исследовательский испытательный институт МО РФ | LABORATORY STAND FOR CREATION AND CONTROL OF CONCENTRATIONS OF GASES IN THE FORMATION OF THE BASIS OF SPECTRAL DATA AND ASSESSMENT OF TECHNICAL CHARACTERISTICS OF FOURIER SPECTRADRADIOMETERS |
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