【摘要】 目的　在对 Sound Blaster声卡性能特点分析的基础上 ,利用 Sound Blaster声卡建立了数据采集系统的硬件电路和软件结构 .方法　对采集过程中所遇到的隔直问题 ,提出切实可行的解决办法 .结果与结论　具有一定的实践参考意义更多还原

【Abstract】 Aim\ This paper found a data collecting system including hardware circuits and software structure based on analysis of the Sound Blaster card quality. Methods\ Suggest an effectual measures to solve the problem of direct current signal filtered by sampling. Results and Conclusion\ In a certain degree it has significance for practice reference.更多还原