可变参数数据采集控制电路的FPGA实现

FPGA Implementation of Variable Parameter Data Acquisition Circuit

基于自顶向下的设计思想,对一可变参数数据采集控制电路进行了现场可编辑门陈列(FPGA)的设计与实现。该方案采用超高速硬件描述语言(VHDL)和模块库调用相结合的方法,实现了对数据采样率、采样深度、采样延时和采样批次的现场可编程控制。功能仿真和硬件实现均表明,设计电路性能可靠,具有较高的适应性和扩展性,满足设计需求,最大限度地提高了信号采集和处理能力。

A variable parameter circuit based on Top-Down method is designed and implemented with FPGA,thus to control data acquisition.The system,in combination of VHDL language and module call idea,implements field programmable control on sampling rate,delay time and batch.Function simulation and hardware implementation show that the system design is reliable,and has better adaptability and expansibility,thus maximally enhancing the system capability of signal acquisition and processing.