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电子学报  2014 

库莫洛后向消光理论在测量颗粒粒径中的应用

DOI: 10.3969/j.issn.0372-2112.2014.04.018, PP. 736-739

Keywords: 泥沙测量,浑匀液体,后向散射,颗粒粒径,颗粒浓度

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Abstract:

在光学方法测量颗粒浓度时,测量的精度受颗粒粒径和颗粒颜色的影响.为解决这一问题,将颗粒的浓度、粒径和颜色三个相关联的量统一在一起进行考虑,建立包含这三个属性的浑匀液体库莫洛消光散射方程.本文在库莫洛后向散射方程中归纳出一个称为舒列金函数的系数.舒列金函数由波谱因子与粒谱因子组成.在得到粒谱因子后便可以通过后向散射测定颗粒的粒径.最后,用实验来验证库莫洛方程测量粒径的方法是可行的,精度是可以满足生产要求的.

References

[1]  H K Ha,W-Y Hsu,et al.Using ADV backscatter strength for measuring suspended cohesive sediment concentration[J].Continental Shelf Research,2009,29(10):1310-1316.
[2]  苏杭丽.超声波在悬浮液中的衰减[J].河海大学学报,2012,40(6):710-714. SU Hang-li.Ultrasonic attenuation in suspension [J].Journal of Hohai University:Natural Sciences,2012,40(6):710-714.(in Chinese)
[3]  朱维庆,朱敏,等.声学悬浮泥沙浓度估计[J].中国科学A辑,2001,31(5):459-465. ZHU Wei-qing,ZHU Min,et al.Estimation of acoustic suspended sediment concentration[J].Science in China:Series A,2001,31(5):459-465.(in Chinese)
[4]  T A Fontaine,T D Moore,et al.Distributions of contaminant concentration and particle size in fluvial sediment[J].Water Research,2000,34(13):3473-3477.
[5]  H K Ha,J P-Y Maa,et al.Estimation of high-resolution sediment concentration profiles in bottom boundary layer using pulse-coherent acoustic Doppler current profilers[J].Marine Geology,2011,279(1-4):199-209.
[6]  Richard L M,Brent A M.Using MODIS Terra 250m imagery to map concentrations of total suspended matter in coastal waters[J].Remote Sensing of Environment,2004,93(1/2):259-266.
[7]  卢永生,徐友仁,等.微粒散射消光系数的测定及理论[J].河海大学学报,1996,24(4):53-57. LU Yong-sheng,XU You-ren,et al.Measurement and Theory of extinction coefficient of particle scattering[J].Journal of Hohai University:Natural Sciences,1996,24(4):53-57.(in Chinese)
[8]  马惠民.利用消光法测量悬移质含沙量试验初步报告[A].水利科学论文集[C].北京:中国工业出版社,1963.
[9]  Douglas A Skoog,F James Holler,et al.Principles of Instrumental Analysis[M].Belmont,CA :Thomson Brooks/Cole,2007.
[10]  凤宏晓,侯彪,等.基于非下采样Contourlet 域局部高斯模型和MAP的SAR图像相干斑抑制[J].电子学报,2010,38(4):811-816. FENG Hong-xiao,HOU Biao,et al.SAR image despeckling based on local Gaussian model and MAP in NSCT domain[J].Acta Electronica Sinica,2010,38(4):811-816.(in Chinese)
[11]  谢世朋,罗立民.基于衰减板的锥束CT 散射校正[J].电子学报,2011,39(7):1708-1711. XIE Shi-peng,LUO Li-min.Scatter correction for cone beam CT using attenuation baffle [J].Acta Electronica Sinica,2011,39(7):1708-1711.(in Chinese)
[12]  H C van de Hulst.Light Scattering by Small Particles[M].New York:Dover Publications Inc,1981.

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