Based on principals of interference of acoustic waves and simplified digital delay-line, comb filter effect induced by superposition of reflections from steps is presented.
从声波干涉的基本原理出发，通过数字延时线的简化分析，说明了多级台阶反射声的叠加对声波频率产生的梳状滤波效果。
Then the design of a highly effective digital filter (cascaded integrator-comb) is discussed and the corresponding implementation structures are given.
然后讨论了高效数字滤波器(累积梳状滤波器)的设计，并给出了相应的实现结构。
Because the comb filter is a fir filter which owns linear phase and simple structure, and usually serves as the first stage of the digital filter.
由于梳状滤波器是一种结构简单的线性相位FIR滤波器，所以通常被用作数字滤波器的第一级。
Because the comb filter is a fir filter which owns linear phase and simple structure, and usually serves as the first stage of the digital filter.
由于梳状滤波器是一种结构简单的线性相位FIR滤波器，所以通常被用作数字滤波器的第一级。
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