摘要
简要介绍了DDS技术的基本原理,详细阐述了如何采用单片机AT89C52研制一款高性能的电力仪表校准源,给出了系统主要硬件电路和软件设计流程。本设计结构简单,精度高,性能稳定,操作方便,拓展性好。
In this paper, the principle of DDS is introduced briefly.The method to design a high performance power instrument calibrator by using AT89C52 is expounded.The main hardware circuit and software flowchart are given.The power instrument calibrator has some benefits including simple structure, high precision, stable performance, convenient operation, good expandability and so on.
出处
《电测与仪表》
北大核心
2007年第2期33-36,共4页
Electrical Measurement & Instrumentation
