摘要
介绍了便携式超声波流量计的工作原理和系统硬件结构,分析了系统收发电路各个模块的设计,着重介绍了基于FPGA软核NiosⅡ的便携式超声波流量计的数字电路部分设计。试验结果表明,系统工作稳定,能够满足测量精度要求,并且减小了便携式超声波流量计的体积,降低了产品成本。
The principle and system structure of portable ultrasonic meter and the design of circuit modules are presented, focusing on the digital circuit design based on the NiosII soft core of ultrasonic meter. Test results show that the circuits meet design requirements. The system works stably, reducing the volume and the cost to a great extent.
出处
《单片机与嵌入式系统应用》
2010年第12期50-52,55,共4页
Microcontrollers & Embedded Systems
