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Design of a sound impulse generator based on single-chip microcontroller
Author(s): LI Ji, HE Xiang
Pages: 263-
268
Year: 2010
Issue:
4
Journal: Applied Acoustics
Abstract: 声脉冲法是近代现场隔声测试和吸声测试技术的主要方法之一,但声脉冲信号的产生是阻碍其应用的一个难点.本文以AT89C52单片机和DAC0832模/数芯片为核心,设计一种声脉冲信号发生器,具有结构简单,成本低廉,使用方便的特点.经过测试,给出了该声脉冲信号发生器所产生声脉冲信号的时频域波形图.
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