范文编号:DZXX187 范文字数:13722,页数:46 摘 要 信号采集是测量和分析的必要手段。目前市场上的信号采集卡种类较多,功能不一,主要分为高速信号采集卡和低频信号采集卡,大部分为针对性设计,通道数较少,适用范围较为局限。为此,本文设计了一款且具有32个通道的模拟信号采集卡,利用CPLD实现采集通道控制和AD转换,通过通道的切换可实时采集32路信号,适合较大规模的信号采集应用。 关键词:信号采集系统,CPLD,AD采样
Signal acquisition is the necessary means of measurement and analysis . Currently on the market signal acquisition has many card types and different functions, mainly divided into high-speed signal acquisition card and low-frequency signal acquisition card, targeted for the majority of the design and few channels, limited scope. Therefore, this article and has designed a 32-channel analog signal acquisition card, use CPLD to achieve access control and acquisition AD conversion, the switch can access through the acquisition of 32 real-time signals, suitable for large-scale signal acquisition applications.
摘 要 I 基于CPLD的信号采集系统相关范文 |
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