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。
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.
叙述了超短延时声体波微波延迟线的设计和制作。
The design and fabrication of BAW delay lines with ultra short delay time are described.
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