It is important to choose proper wavelet functions in solving a practical problem using wavelet analysis.
用小波分析解决实际问题时,选择合适的小波函数是十分重要的。
参考来源 - 基于小波矩量法的PCB平面螺旋电感研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Both the wavelet functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.
本文把小波函数引入离散数据拟合领域,将小波函数与数据拟合的常用方法——最小二乘法相结合,给出了一种新型的数据拟合工具。
The results showed that when different wavelet functions were used to analyze the same pressure wave signal, the differences could be found between each other.
研究结果表明:选用不同的小波函数对同一压力波信号进行时频特性分析时,得出的结果是有差别的。
The good localization characteristics of wavelet functions in both time and frequency space allow hierarchical multi-resolution learning of input-output data mapping.
由于小波变换在时间和频率空间具有良好的定位特性,使小波神经网络可对输入、输出数据进行多分辨的学习训练。
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