This paper introduces the principles of the wavelet transform,analyzes on the performance of using the wavelet transform to implement the weak signal detection,and illustrates that the wavelet transform can improve the SNR by using the simulated results.

• 介绍了小波变换原理,对利用小波变换实现弱信号检测的性能进行了分析,并利用仿真结果说明小波变换能提高信噪比。