To detect the weak signal by using chaos theory has been succeeded in initiall.Reduce noise caused by frequently on/off of electronic switch is the chief problem which has to be solved .

• 将混沌理论应用到弱信号的测量中已获得了初步的成功,降低因电子开关的频繁通断而引起的测量噪声是目前需要解决的主要问题。