【摘要】 随着现代通信技术的发展,AD信号的实时采样和有效处理在数字化信号接收机的设计中起到重要作用[1]。提出了一种基于FPGA的AD采样设计,给出了同步采样时钟设计方案及FPGA对AD7656的相关配置方法,并对采样数据进行了正弦载波调制和低通滤波处理,最终在Matlab中显示处理后的数据,结果显示该设计方案简单有效,通用性较强。更多还原

【Abstract】 Along with the development of the communication technology,Real-time AD Sampling and the effective processing play an important role in the design of digital signal receiver.A kind of AD Sampling based on FPGA is proposed,the design of the synchronous sampling clock and FPGA configuration method for the AD7656 is proposed,the sampling data are processed by sine carrier modulation and low-pass filtering.Finally,the processed data are shown in the Matlab.The experiment results show that the design is simple and effective,highly versatile.更多还原