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- Mexican hat wavelet function 墨西哥帽小波函数
- A new method of CCD image processing,two dimensions Mexican Hat wavelet transform,is put forward for the purpose of improving the quality of the CCD images of uranian satellites. 针对天王星卫星位置观测图像中存在的一些问题 ,提出了一种新的图像处理方法 ,即二维墨西哥帽小波变换方法。
- Continuous wavelet transform (CWT) analysis at NOAA/AVHRR thermal data (Channels 4 when present) was made by the approach of the isotropic 2D Mexican hat wavelet. 摘要利用二维连续小波变换（墨西哥帽小波），结合影像下的地物类型分布，对多时相的NOAA/AVHRR影像4波段数据进行信号场分析。
- The over-complete dictionary, which is built on anisotropic refinement and rotation of 2D nonseparable Mexican hat wavelet, can efficiently capture edge characteristics present in natural images. 利用二维不可分离、具有各向异性尺度的墨西哥草帽小波作为生成函数，这种函数构建的冗余字典能够有效捕获图像边缘轮廓特征。
- A New De-Noising Technique for Spectra Based on Mexican Hat Wavelet 光谱信号的小波去噪新技术
- Wavelet Transform (WT) technology of multiresolution feature extraction is studied to identify and quantitatively analyze remote sensing FTIR spectra by Mexican hat function. The signal is performed by continuous wavelet transform (CWT). 利用小波的信号多尺度边缘特征提取，采用墨西哥帽函数小波对所获取的遥感傅里叶变换红外光谱信号进行连续小波变换，从而达到识别和定量解析遥感光谱的目的。
- This paper proposes an analog synthesis circuit of a wavelet function approximator using sigmoidal mother wavelet. 小波函数使用反曲型母小波模拟,电路由双极型晶体管、可控放大器和线性无源电子元件等组成。
- The result shows the application effect on compensated densilog high resolution processing is based on both wavelet function and factor. 结果表明，基于小波变换的密度测井高分辨率处理的实际应用效果，取决于小波函数与尺度因子的选择；
- The compression method of ferrograph image based on wavelet theory is that wavelet transformation of ferrograph image is made with wavelet function. 基于小波变换的铁谱图像压缩法，根据小波函数对铁谱图像进行一层或多层的小波分解。
- Based on the 51-year annual precipitation data of Ningbo from 1953 to 2003,a detailed analysis is performed by means of several diagnosis methods,including EOF,climatic abrupt change testing,Mexico hat wavelet and spectrum analysis. 应用主分量分析、气候突变检验、“墨西哥帽”小波分析及谱分析等多种方法对宁波市1953~2003年的年降水量进行了时空特征分析。
- The compactly supported radial function and the wavelet function have excellent local character and are suited to be applied in the Meshless method. 紧支径向基函数和小波基函数具有优良的局部特性，使得支配方程中的劲度矩阵系具有稀疏性，特别适合应用于无网格方法中。
- Basing on the construction of wavelet, discuss the close relation between the scaling function and wavelet function s two scale symbol and wavelet construction. 立足于小波的构造,比较深入地探讨了尺度函数和小波函数的两尺度符号与小波构造的紧密关系。
- At first, we transform the original image with wavelet function, then select the zones with rich veins to put in watermarking by analyzing the wavelet coefficients. 首先对原始二值图像做小波变换，通过分析其小波系数来寻找图像纹理及细节较丰富的区域，作为水印嵌入域。
- This paper presented a lifting wavelet to construct a new wavelet function which could be used as an allowable kernel function for support vector machine(SVM). 摘要采用提升小波方法构造出一种满足双正交的小波函数，并将这种小波函数作为支持向量机的核函数；
- Serval elements are studied in affecting the 2-band wavelet denoing effect including the wavelet function, the bound expanding, and the decomposition level . 主要讨论了几个影响去噪的因素，包括(1)采用的小波函数，得到的试验结果证明对称性在图像处理中能够发挥一定的作用。
- Based on the biorthogonal wavelet function merit, it is studied the lossy compression of seismic data and the influence of the reconstruction error on the calculation of the basic earthquake parameters. 利用双正交小波函数的优点，研究了地震数据有损压缩方法和重构误差对确定地震基本参数的影响。
- The results show that WAM in non-stationary data processing has much advantage when the suitable wavelet function is applied.Wavelet Toolbox of MATLAB makes the application of WAM easier. 分析表明，只要选择了合适的小波函数，将小波分析用于动态数据处理将具有校大的优势，而MATLAB的小波工具箱使得小波分析的应用更加便利。
- plant similar to the Mexican hat coneflower; from British Columbia to New Mexico. 生长在哥伦比亚至新墨西哥地区。
- We draw a conclusion that in the dectection of singular signal, wavelet function must be a 1 or 2 order of derivative of a lubricity function, and has regularity and compactly support set. 本文主要侧重小波变换对奇异信号的研究，得出了结论：在检测奇异信号中，小波函数必须是某一平滑函数的一阶或二阶导数且具有较好的正则性或紧支性；
- Please go down the ladder and chuck up my hat. 请下梯子把我的帽子扔上来。
