摘要
利用快速Fourier变换提取数字信号的频率,结合聚类分析方法对结果进行降噪,给出了信号特征降噪算法,MATLAB数值试验展示了算法的有效性.
The feature of digital signal is extracted by FFT. With noise reduction by cluster analysis method,the algorithm of feature extraction of digital signal is established. Numerical experiments by MATLAB show the validity of the algorithm.
作者
罗仕乐
郭星东
LUO Shi-le;GUO Xing-dong(School of Mathematics and Statistics,Shaoguan University,Shaoguan 512005,Guangdong,China)
出处
《韶关学院学报》
2018年第12期1-3,共3页
Journal of Shaoguan University
基金
国家级大学生创新创业训练计划项目(201810576025)
