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- Morlet wavelet filter Morlet小波滤波
- In the paper, using Morlet wavelet transform and EOF analysis to analyze Polar Vortex and SAH at 100hPa Geopotential Height. 利用NCEP/NCAR高度场资料进行EOF分解;并对冬、夏极涡与夏季南亚高压的面积进行Morlet小波变换.
- This method is using Morlet wavelet transform,phase compensating, filtering ,extracting the modulation spectrum of radar target by FFT, then radar target is detected. 此方法是利用小波变换 ,得到雷达目标回波信号的频率调频指数 ,对信号进行相位补偿 ,然后滤掉信号中的机身频谱和多普勒频谱 ,再进行相位补偿 ,用 FFT(快速傅立叶变换 )就可以得到目标的调制谱 ,由此实现目标识别。
- Research shows that the feature parameters by the Morlet wavelet transform 3-D distribution figures can be used to distinguish point to point PD,point to plate PD and surface PD. 理论和仿真实验分析表明,小波变换三维分布图提取的特征参数可以作为识别局部放电的新特征量,这些特征量作为人工神经网络的输入量可单独使用也可结合其它方法使用。
- Using the proposed entropy minimization rule, the parameters of the wavelet filter are optimized. 采用最小熵方法对小波滤波器参数进行优化。
- Compute the cross correlation coefficient [17] between ECG signal and selected wavelet filter. 请问大侠，怎么求给定信号与小波滤波器之间的互相关系数?
- Wavelet filter method is discussed synchronously, chaotic unstable trajectory is controlled by actual inventory management chaotic model. 并讨论小波滤波法 ,成功实现了混沌不稳定周期轨道的稳定控制方法 ,并以具体的财产管理混沌模型为例验证所提出的方法
- Methods to select wavelet filter and to design optimum scale quantizer are presented.Furthermore, wavelet coefficients of DEM are analyzed deeply. 文中主要研究了小波滤波器的选取、最优标量量化器的设计等问题，并对DEM小波分解系数进行了深人的分析。
- According to the wavelet filter design,we put forward a method for constructing integral biorthogonal wavelet filter based on image compression. 根据小波滤波器设计,提出了一种基于图像压缩的构造整数双正交小波滤波器的设计方法。
- complex Morlet wavelet transformation 复值Morlet小波变换
- In this paper, a novel construction of bivariate orthogonal compactly supported wavelet filter based on the cosine function is proposed. 摘要本文提出了一种基于余弦函数的二元紧支撑正交小波滤波器的构造方法。
- Non-orthogonal Complex Morlet Wavelet 非正交复Morlet小波
- As a case study, a previously unpublished 17/11 biorthogonal wavelet filter bank with rational coefficients is constructed, which has optimum coding gain. 作为构造实例，构造出一种新的有理系数17/11双正交小波滤波器，它具有优化的编码增益。
- The performances of PAPR in different kinds of wavelet filter bank are compared.A companding technique, by which the PAPR of WPM signal can he reduced, is proposed. 并对不同小波滤波器组的PAPR性能进行了比较，提出了种能有效减小WPM系统的峰均比的压缩扩展算法。
- According to the least quantization error criterion of optical wavelet filter in space domain and frequency domain, an optimal wavelet was constructed based on lifting algorithm. 根据光学小波滤波器的空、频域量化误差最小原则，基于提升算法，构造出空、频域量化误差最小的最优小波。
- Firstly, the image is smoothed with the adaptive wavelet filter;the multiple speckles are removed while the edge property of SAR images is sustained.It made the detection easier. 首先采用自适应小波滤波方法对图像进行滤波，在保留图像细节的前提下有效地去除了图像中的乘性噪声，使后续的检测变得相对容易。
- Fourth, the wavelet filter banks is constructed and the two-dimensional separable wavelet transform of the image is realized by the wavelet filter banks. 第四步，构造小波滤波器组，并利用小波滤波器组对产品图像实现二维可分离小波变换；
- The high resolution GPR real data computed by using of the GPR wavelets have high S/N radio and hold the construction of the buried objects well than the Cauchy wavelets or the Morlet wavelets. 与Cauchy小波及Morlet小波相比 ,以这种小波作为基本小波 ,应用于探地雷达实际资料处理中 ,在提高探地雷达剖面分辨率的同时 ,还能保持较高的信噪比
- The demodulation in distributed sensor system is a difficulty. The optical wavelet filter is designed to improve imbalanced and nonlinear optical signal efficiently and the optical wavelength absolute code is completed. 针对分布式传感系统中的解调问题 ,设计了光学小波滤波器 ,有效地改善了非平衡、非线性光学信号的干扰 ,实现了光学波长绝对编码。
- Due to the uncertainty of parameters of the Bernstein polynomial, a design method for optimizing wavelet filter while maintaining the property of EBFB based on genetic algorithms is presented. 针对伯恩斯坦多项式中参数的不确定性,提出了一种基于遗传算法的具有EBFB特征的小波滤波器优化设计方法。
