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Improving to the Processing of Scattering Image from the Particles(PDF)

《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

Issue:
2000年05期
Page:
445-448
Research Field:
Publishing date:

Info

Title:
Improving to the Processing of Scattering Image from the Particles
Author(s):
WangYawei HeAnzi ① LiuXiaoran ① JiYunjin ① BianBaomin ①
School of Sciences,Jiansu University of Science and Technology,Zhenjiang212013)
Keywords:
fine-grain photography;  light scattering; measurement;  grain size;  saturation;  image;  CCD
PACS:
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DOI:
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Abstract:
In the measuring the dist ribut ion of the part icle’s diameter, it is a key technolog y how to g et a good scattering image and how to process the data of it . T he research shows that there are low er precision and nonlinear response in w ide range when using a SSPD, but for a BW-CCD, there is saturat ion effect for big signal response, so the measuring precision is af fected. In this paper, a color 3C-CCD was used to replace a SSPD or WB-CCD, and the RGB average method w as put forward to solve the problem of the saturat ion. A better result in the experiment w as obtained after data processing.

References:

1 Allen T. Par ticle size measurement. 3rd ed. London: Chaopman and Hall, 1981. 89~ 108
2 Tam W G, Zardecki A. Multiple scattering corrections to the Beer- Lamber t law. Applied Optics,1982, 21( 13) : 2 405~ 2 412
3 Huang Youshu. Study of the integrated fan- shaped photodiodesar ray for an optical multichannel analy zer. In: Russel Ellwangeretc. ICSICT‘92. Beijing ( China) : Publishing House of Electr onics Industry , 1992. 477~ 479

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Last Update: 2013-03-25