Mexican hat
英 [ˈmeksɪkən hæt]
美 [ˈmeksɪkən hæt]
网络 墨西哥帽; 墨西哥帽子
双语例句
- From his Mexican hat to the stream of tickets stuck to his back, he was wearing what he claimed to be all the souvenirs from all the World Cups since the first tournament in Uruguay in 1930.
从他的墨西哥帽子到他背上粘着的一排门票，他号称自己穿戴着自1930年在乌拉圭举行的首届世界杯赛以来、每届世界杯赛的所有纪念品。 - New Research on Cone of Influence and Computing Scheme of Mexican Hat Wavelet Transform
墨西哥帽小波变换的影响域和计算方案新探讨 - Three-Dimensional Profilometry Based on Mexican Hat Wavelet Transform
基于MexicanHat小波变换的三维轮廓术 - I twisted my ankle doing a Mexican hat dance.
在跳墨西哥帽子舞时我把脚踝扭伤了。 - Plant similar to the Mexican hat coneflower; from British Columbia to New Mexico. some gas pools in the Pliocene and Pleistocene of the Gulf Coast seem to be of this relatively immature thermal derivation.
生长在哥伦比亚至新墨西哥地区。墨西哥湾岸盆地某些渐新统和更新统气藏可能就属于这类相对低成熟的热成因气。 - Mexican Hat wavelet, whose vanishing moment is 2, is suitable for the detection of a slowly changing singularity signal.
对于缓变奇异信号，则应选择消失矩为2的MexicanHat小波。 - The continuous wavelet transform ( CWT) by a Mexican hat wavelet having two vanishing moments is applied to the first mode shape difference of a structure under the health and damage state.
利用小波奇异性检测原理，采用墨西哥草帽小波对结构在健康和损伤状态下的模态振型差进行小波变换。 - 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.
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 complex modulated Mexican hat mother wavelet is used in continuous wavelet transform of vibration signals of gears. By making spectrum analysis of the phase of this transform, the sideband structure can be protruded.
利用Mexican-hat调制复小波基函数对齿轮振动信号进行连续小波变换，再作相位的频谱分析，可以突出边频带结构。 - Realization of 2 D Optical Wavelet Transform Using a Mexican hat Wavelet Matched Filter Modified by Computer generated Holography
用计算全息制作改进的Mexican-hat子波匹配滤波器实现二维光学子波变换 - For this reason, the mexican hat wavelet basis has the excellent localization and analyzing precision.
因此MexicanHat小波基对R波具有良好的定位特性和分析精度。 - 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。 - Basing on the analysis of these scale results, a new QRS detection method was presented, in which the relations of different scales were applied to obtain a wavelet transform template after Mexican hat wavelet was implemented to the ECG signal.
本文正是利用小波变换后尺度之间的相互关系，提出了一种基于墨西哥草帽小波变换不同尺度之间关系的ECG信号QRS复合波检测方法。 - The method of realizing optical wavelet transform ( OWT) with Mexican hat wavelet function for diffusion limited aggregate ( DLA) pattern is described in this paper.
论述了用Mexican－hat小波函数簇实现扩散限制聚集（DLA）模型的光学小波变换（OWT）。 - To the former the four different rules to make the threshold values are giving, to the latter the disperse wavelet transform based on the similar-Mexican hat is giving.
对前者给出了4种不同的门限值确定规则，对后者给出了使用类似MexicanHat小波基的二进离散小波计算式。 - MWLS extracts narrow peaks from original signals and fits data segments with a fitting function constructed by Mexican Hat wavelet.
它将原信号中的尖锐峰分离出来，以MexicanHat小波构造拟合函数，根据最小二乘原理对各数据段进行拟合，再重构信号，以去除噪声。 - A de-noising technique named Mexican Hat wavelet least square ( MWLS) which is effective for narrowband signals is presented.
本文提出了适合于这类信号的滤波新技术&MexicanHat小波最小二乘法（MWLS）。 - It was proved in practice that the Mexican Hat wavelet function is better than the other wavelet functions in converting log data into wavelet coefficients by continuous wavelet transform and in multi-resolution processing of logging signals by different wavelet scales.
实践证明，MexicanHat小波函数在用连续小波变换将测井资料转换为小波系数，不同小波尺度对测井信号进行多分辨率处理方面比其它小波函数要好。 - Study on DNA Sequences 'Fractal Characteristics by Mexican Hat Wavelet
用墨西哥帽小波研究DNA序列的分形特征 - China since its foundation in 1949. The increasing rate of GDP is analyzed with the Mexican Hat wavelet at a range of time scales, and the causes of the fluctuations is discussed based on macroeconomic theory in view of government policies, investment and consumers 'behaviors.
应用MexicanHat小波对国内生产总值（GDP）的增长率进行多时间尺度分析，再利用宏观经济学的理论从政府宏观调控政策、投资、消费等方面分析引起波动的原因。 - The activation function is Mexican hat wavelet function and subsection exponential annealing function is used in this model.
其激励函数为墨西哥帽小波函数，并把分段指数模拟退火函数引入此网络模型中。 - Mexican hat wavelet is used to make analysis and processing to deflection curve which extract in the beam bearing rectangular load and triangular impact load. And this method can find the existence and location of cracks.
对于对矩形冲击荷载、三角形冲击荷载作用后的简支梁的动挠度曲线采用MexicanHat小波进行小波变换，可以从小波的模极大值得出裂缝的存在及其位置。