Now the research reports are also lack about the application of wavelet analyses in processing aviation component ultrasonic signal.
目前还没有小波分析处理航空构件超声信号的报导。
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
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。
Wavelet and Fourier analyses are widely used in various fields of image processing. They can be utilized in land use remote sensing dynamic monitoring to detect change information automatically.
小波分析和傅立叶分析被广泛地应用于图像处理的各个领域，它们也能被应用于遥感影像土地利用变化检测。
In the paper, the way of detection of signal based on wavelet transform is researched, it analyses and processes signal of the various frequency at different scales.
对基于小波变换的信号检测方法进行了深入的研究，在不同尺度上分析和处理信号的各种频率成份。
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