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Vol. 175, Issue 7, July 2014, pp. 220-225




The Aerosol Mass Measurement Based on the Two-parameter Mathematical Model in Optical Sensor

1 Juan Yang, 2 Yun-Yun Chen

1 School of Information and Technology, Jinling Institute of Technology, Nanjing, 211169, China
2 School of Physics and Optoelectronic Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China
1 Tel.: 18913805443

1 E-mail: yangjuan@jit.edu.cn


Received: 17 January 2014 /Accepted: 30 May 2014 /Published: 31 July 2014

Digital Sensors and Sensor Sysstems


Abstract: On the basis of the analysis of random pulse signal, the mathematical model of the two-parameter random signal is established. Based on which, it is found that the random signal has a non-integer dimension fractal characteristics, and the fractal dimension is the ratio of the count distribution and the number of discrete degree sln. Besides, the mass distribution of the particle group is also a typical random distribution, and satisfies the lognormal distribution. Thereby, the functional relationship between the average quality and average voltage of the voltage is given, and a theoretical basis of the quality measurement by the light scattering counting particle is established. Finally, the physical meaning of the fractal dimension is proposed.


Keywords: Two-parameter, Mass subset, Lognormal distribution, Fractal dimension.


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