摘要
基于TI公司的单片机MSP430G2553的微弱信号检测系统,由稳压供电电源、加法器、纯电阻分压网络、带通滤波器、A/D转换器以及数码管显示电路等模块组成.能实现淹没在强噪声背景下的正弦微弱信号的检测,并能正确显示正弦信号的峰值.实现了在强噪声环境下检测出有效微弱信号的功能.
The system is a weak signal detection system based on MSP430G2553 microcontroller, the system can detect weak sine signals which are submerged in strong noise background and display the sine signal amplitude values.The whole system consists of power supply, adder, pure resistor divider network, band pass filter, A/D converter and the digital display circuit. Ultimately, the effective weak signal is detected in strong noisy environment.
出处
《四川文理学院学报》
2014年第2期30-33,共4页
Sichuan University of Arts and Science Journal
