生物战剂/气溶胶激光雷达遥测技术研究
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摘要
散射、荧光和偏振信息是生物战剂/气溶胶时空观测和识别的有效数据源。对Mie散射、紫外激光诱导荧光和偏振探测激光雷达的原理、数据反演等进行了阐述和讨论,并对消光系数、荧光和退偏振比的探测结果进行了探讨。实验和数据表明,消光系数、退偏振比和荧光的时空分布,用于生物战剂/气溶胶的探测和识别是可行的。
Scattering,fluorescence and polarization are the effective data sources for biological agent / aerosol time-space observation and identification. The theory and data inversion principles for Mie scattering,laser induced fluorescence and polarization sensing LIDAR were stated and discussed. The sensing and data inversion results for extinction coefficient,fluorescence and horizontal linear depolarization ratio of biological agent / aerosol were also demonstrated.The results show that the three kinds of detecting technologies are reasonable and potential for biological agent / aerosol detection and recognition.
Scattering,fluorescence and polarization are the effective data sources for biological agent / aerosol time-space observation and identification. The theory and data inversion principles for Mie scattering,laser induced fluorescence and polarization sensing LIDAR were stated and discussed. The sensing and data inversion results for extinction coefficient,fluorescence and horizontal linear depolarization ratio of biological agent / aerosol were also demonstrated.The results show that the three kinds of detecting technologies are reasonable and potential for biological agent / aerosol detection and recognition.
引文
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[2]Klietmann W F,Ruoff K.Bioterrorism:Implications for the clinical microbiologist[J].Clinical Mikrobiology Reviews,2001,14(2),364-381.
[3]Burger H A,Solomon W R.Sampling and analysis of biological aerosols[J].Atmospheric Enviroment,1987,12(2),451-456.
[4]Holmberg B.Health Aspects of Chemical and Biological Weapons[M].World Health Organization,1970.
[5]D RWalt,D R Franz.Biological warfare detection[J].Analytical Cemistry,2001,72(33):738A-746A.
[6]G M Dougherty,D S Clague,R R Miles B.Field-capable biodetection devices for homeland security missions[C]//SPIE Opt.Photon.Global Homeland Security III,2007,6540:6540169.
[7]P PHairston,J Ho,F R Quant B.Design of an instrument for real-time detection of bioaerosols using simultaneous measurement of particle aerodynamic size and intrinsic fluorescence[J].Aerosol Sci.,1997,28:471-482.
[8]Fernald F G.Analysis of atmospheric lidar observation:some comments[J].Appl.Opt.,1984;23:652-655.