基于C8051F020的微弱信号检测装置设计  

Design of Weak Signal Detection Device Based on C8051F020

作　　者：陈淼[1] 陈渭力[1] 黄秀珍[1] 

机构地区：[1]浙江理工大学科技与艺术学院,浙江杭州311121

出　　处：《工业控制计算机》2015年第6期130-131,133,共3页Industrial Control Computer

摘　　要：设计一个基于锁相放大器的微弱信号检测装置,该系统用于检测强噪声背景下已知频率的微弱正弦信号的幅值。系统采用C8051F020为控制核心,并将采集的数据在LCD1602上显示。实践表明,该系统性能好,精确度高,能较好地完成微弱信号的检测。This paper designs a weak signal detection based on phase-locked amplifier device,the system is used for amplitude of weak sinusoidal signal of known frequency detection in strong noise background.The system uses the C8051F020 as the control core,and will collect data on the LCD1602 display.Practice show that the system performance is good,high precision,can better finish the weak signal detection.

关 键 词：锁相放大器 C8051F020 微弱信号检测 

分 类 号：TN911.23[电子电信—通信与信息系统]