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。
On the basis of the applications of MMW sensors to the munitions, this thesis analyses the wave characters of MMW sensors 'signal, use wavelet transform to extract the features of target information.
以毫米波敏感器在军事中的应用为背景，对毫米波敏感器信号的波形特征进行分析，采用小波变换进行目标信息的特征提取。
On the basis of the applications of MMW sensors to the munitions, this thesis analyses the wave characters of MMW sensors 'signal, use wavelet transform to extract the features of target information.
以毫米波敏感器在军事中的应用为背景，对毫米波敏感器信号的波形特征进行分析，采用小波变换进行目标信息的特征提取。
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