Application of Least Square Method in the Airborne Particle Counter;

The study of signal transmission characteristic in airborne particle counter;

There researches the calibration problem of the airborne particle counter for standard single radius particle on the basis of the combination of simulated annealing algorithm and genetic algorithm.

Improvement on Optics of Optical Particle Counters;

In order to improve the resolution and count efficiency of the laser airborne particle counter,the design of performance optimization for the domestic sensors was studied.

In order to analyze the influence of particle counter sensor system on measuring result,a mathematical model of the laser airborne particle counter is established based on information theory from the viewpoint of information.

In order to study the distribution of standard particle signal amplitudes in laser airborne particle counters,the relationship of the distribution of counting signal amplitude with the particle number density in the sampled air-flow,light-intensity uniformity of the sensitive area and the speed distribution of the lamellar flow is theoretically analyzed.

Influence factor for airborne of clean room;

Design of microscopic and counting systems for dust particles;

Auto-correction of dust particle counter;

The spacetime structure and properties of dust particle;