摘要
本文应用根灵敏度的方法，分析了ＦＩＲ滤波器的级联型结构的特，点以及由于有限字长量化而产生的畸变效应，推导了ＦＩＲ级联型零点的分配准则，通过实验证明了该准则的优越性。
This paper analyzes the relation between the distrlbution of thezeros in the FIR dlgital filter and confficient-quantization errors,derlves thedistortion variation performance of the FIR digital filter direct-form andcascade-form strutures with confficient-quantization,It advances a criterionfor zero assignment of the cascade-form FIR digital filter,Using the methodin the paper can bring down the distortion variation effects for the FIR dlgitalfilter cofficient-quantization.
