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提出了尘埃粒子计数器单径粒子群散射光信号幅度响应函数的概念,详细讨论了该函数的意义、特性以及计算方法.提出了在单分散尘埃粒子计数器中,用粒子群信号幅度响应函数分析法代替简单的多道幅度甄别器来分析待测粒子群的粒径分布的方法.此方法有利于提高尘埃粒子计数器分析结果的准确度.
The concept of amplitude response function of single particle particle scattering optical signal of dust particle counter is proposed. The meaning, characteristics and calculation method of the function are discussed in detail. A method for analyzing particle size distribution of particles in a monodisperse dust particle counter by using PSO signal amplitude response function analysis instead of a simple multi-channel amplitude discriminator is proposed. This method helps to improve the accuracy of the results of the dust particle counter analysis.