摘要
讨论了小波变换的时域局部化在信号突变检测中的原理与应用,并用MATLAB进行仿真,从而验证了小波变换有着傅立叶变换所无法比拟的良好效果.
This paper discusses the application of wavelet transformation in inspecting a sudden change of signal, and emulates it with MATLAB. It is proved that wavelet transformation is more effective than Fourier transformation.
出处
《佳木斯大学学报(自然科学版)》
CAS
2007年第6期751-753,共3页
Journal of Jiamusi University:Natural Science Edition
关键词
小波变换
信号突变
MATLAB仿真
wavelet transformation
sudden change in signal
MATLAB emulation