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 .
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.
出处
《华北工学院测试技术学报》
2001年第2期79-82,共4页
Journal of Test and Measurement Technology
关键词
声卡
数据采集系统
电路
直流功率
交流功率
data acquisition
quantization error
object linking and embedding
