However, it is an important problem to choose the optimum wavelet base in the process of image compression, and it will make an important effect on image compression.
同时,研究了小波压缩过程中存在的一个非常重要的问题,即最优小波基函数的选取问题,这一问题将对图像压缩效果产生一定的影响。
参考来源 - 图像小波压缩中最优小波基的选取But now the field is finite that wavelet analyses is used in the ultrasonic testing signal processing, and the problem of selecting the best wavelet didn’t be considered in the application of wavelet.
但目前小波分析处理超声检测信号的应用领域还很有限，并且应用过程中没有考虑最优小波基的选取问题。
参考来源 - 小波变换在航空构件超声检测信号分析与处理中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
小波分析在高压电器放电检测中有很大的优越性，最优小波基的选择是小波分析的应用中的重要问题。
Wavelet analysis is very preponderant in acoustic emission detection of discharge in high voltage equipment. In its application, selection of best basis is important.
但目前小波分析处理超声检测信号的应用领域还很有限，并且应用过程中没有考虑最优小波基的选取问题。
But now the field is finite that wavelet analyses is used in the ultrasonic testing signal processing, and the problem of selecting the best wavelet didn't be considered in the application of wavelet.
首先用信息熵函数最小选择最优小波基，然后用其对燃气负荷进行二层分解得到负荷的低频信号和高频信号。
Firstly, the best wavelet basis selection was conducted via message entropy function; then the gas load was decomposed to low frequency signal and high frequency signal by two times through it.
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