基于DSP的瞬态冲击信号采集的研究

Acquisition of Transient Impulse Signals Based on DSP TMS320LF2407

为满足瞬态冲击信号快速测量,介绍了一种基于DSP的瞬态冲击信号采集方法;采用器件内的ADC和控制模块,设计了包括衰减提升,LCD接口电路、存储器接口电路等数字化信号采集的辅助电路和相应的控制软件;经试验证明这种采集方法具有很好的稳定性和可靠性。

A method of acquisition of transient impulse signals based on DSP TMS320LF2407 is introduced, which has made transient impulse signals fast measuring come true. Accessorial circuit of digital signal acquisition including attenuating-plusing circuit, LCD interface circuit , memory interface circuit and the corresponding controlling software are designed based on A/D converter and controlling module in instrument. Experimental results proved that the sampling system has a good stability and reliability.