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- Chirplet transform is the general form of Fourier transform,short-time Fourier transform and Wavelet transform. 线调频小波变换是傅里叶变换、短时傅里叶变换和小波变换的一般形式。
- Results showed the wavelet transform is a more efficient method in comparison with Fourier transform. 结果表明，小波变换的分析方法较传统的傅立叶变换更为有效。
- The characters of short time Fourier transform (STFT), Wigner Ville distribution (WVD) and wavelet transform (WT) are analyzed. 分析了短时傅立叶变换 (STFT)、维格纳 瑞利分布 (WVD)及小波变换 (WT)等时频分析方法各自的特点。
- The pulsar super-resolution TOA algorithm based on stationary wavelet transform and fractional Fourier transform is proposed. 摘要 提出了一种基于平稳小波和分数阶傅立叶变换的脉冲星超分辨率TOA估计算法。
- The simulation result indicates that the application of wavelet transform to Fourier transform profilometry is proper and feasible. 模拟结果表明：小波变换在傅立叶变换轮廓术中的应用是正确的、可行的。
- A new recognition algorithm is proposed based on the lifting stationary wavelet transform (SWT) and the fractional Fourier transform (FRFT). 摘要提出了一种基于提升静态小波(SWT)-分数阶傅里叶交换(FRFT)的识别算法。
- But the classical wavelet transform depends on Fourier transform,and its realization is based on a large amount of convolution computation,so the operation speed is low. 文章讨论了第二代小波变换的原理,并采用第二代小波变换来处理脉搏波信号。
- Simulations show that the HHT based method is practicable for harmonic analysis of power system, and has many distinctive advantages over fourier transform and wavelet transform. 仿真研究表明，用HHT方法进行电力系统谐波分析是可行的，与傅立叶变换和小波变换等现有方法比较，有很多独特的优点。
- Objective Apply wavelet transform to denoise medical image. 摘要目的利用小波变换进行医学图像去噪。
- Denoising analysis of OTDR data based on wavelet transform[J]. 引用该论文 王韶波;李康;孔繁敏;吴涛.
- Methods of signal processing in LIA based on wavelet transform[J]. 引用该论文 杨兴林;王华岑;徐铁铮;李劲.
- Except the simple and usual filter and algorithm, some advanced filter ways suchas Frequency sampling filter,Karlman filter and several new algorithms such as Cosine algorithm ,semiwave Fourier algorithm and wavelet transform algorithm are also studied . 除简单、常见的滤波和算法外，本章还探讨了一些性能先进的滤波方法如频率抽样滤波、卡尔漫滤波和几种微机保护新算法如余弦算法、半波傅氏算法以及小波变换算法等。
- The time and spectrum analysis technology that based on wavelet transform becomes a important tool in the analysis of non-stationary signal, and replaces Fourier transform in practice. 以小波变换为基础的时频分析技术成了非平稳性信号的重要分析工具，在很多实际应用中已取代了傅里叶变换的分析方法。
- By using wavelet transform, the emission of HHG in different time is obtained. 利用小波变换，观察了高次谐波在不同时刻的发射情况。
- The data is calculated by using the wavelet transformation and Fourier transformation. 利用小波分析和傅里叶分析方法对资料进行处理，分析结果表明。
- Then, this thesis concerns with the wavelet transform and its application in power system and compare the deficiency vs strongpoint between the Fourier transform ,short-time Fourier transform. 然后详细研究了小波分析在电力系统中的应用，对比了傅立叶变换、短时傅立叶变换、小波变换在信号处理的优缺点，指出了小波变换能用于非平稳信号的分析。
- Basic treatment of the picture , picture enlarge for instance , dwindle , rotate , displacement , binarization , Medium filter , Edge detection , Histogram , Wavelet transform , Fourier transform. 图像的基本处理，如图像放大、缩小、旋转、位移、2值化处理、中值滤波、边缘检测、直方图、小波变换、傅立叶交换等等。
- In this paper, wavelet transform with nonlinear scale (NWT) is introduced. 我们介绍了一种非线性尺度小波变换(Wavelettransformwithnonlinearscale,NWT)。
- Usually,wavelet transform module maximum accords with saltation points. 小波变换模的极值点常对应于信号突变点。
- The wavelet transform is used to analyze some voltage signals what it detected. 利用小波变换对所检测到的电压信号进行了分析。
