查询词典 wavelet

Firstly, after getting predicted multiples, we use adaptive subtraction algorithm to eliminate multiples and get some inverse wavelets corresponding to every trace in one shot gather, then construct inverse wavelets domain by those inverse wavelets. Secondly, use median filtering method to get inverse wavelet estimation in inverse domain. Thirdly, correct the misshaped inverse wavelets in inverse domain by the inverse wavelet estimation.

其步骤为：首先用SRMA方法预测出表面多次波，并对每一单炮进行单道自适应相减，得到逆子波，形成逆子波域；其次，在逆子波域采用中值滤波，提取接近真实逆子波的逆子波估计；第三，在逆子波域用逆子波估计对畸变的逆子波进行校正；最后采用校正后的逆子波来衰减多次波。

Noising image is compressed and denoised by integrating Wavelet coding with wavelet threshold denoising together.

将小波图像压缩和小波阈值降噪结合在一起，对噪声图像进行压缩，使得在对图像压缩的同时，实现对图像的降噪。

At the same time, in order to analysis some indeterminacy of structure for example physics and geometric parameter, constraint conditions, stochastic wavelet FEM is proponed. Those methods make the applications of wavelet in structure engineering become more extensive.

同时，为了分析由于结构的物理、几何参数和约束条件等不确定性而引发的工程结构性能的不确定性，提出了随机小波有限元法，从而使小波在结构工程中的应用更加全面。

The basic theory of remote watching system for an unmanned substation is introduced. The necessity of image compaction in dada transmission, the theory of 2?dimension wavelet transform, and Mallat algorithm are also explained. Based on that, the method for reconstituting the site image with the original picture and the effective area,which is compacted by the wavelet transform and transmitted to dispatch center, is analyzed.

介绍了无人值守变电站遥视系统的基本组成原理，阐明了压缩传输图像的必要性，论述了二维小波变换的原理与Mallat算法，在此基础上，着重分析了利用二维小波变换压缩传递图像的有效区域并传至调度中心与底图重构出现场实况的方法。

A new algorithm of the regularizing image restoration based on wavelet transform in the frequency is presented and the advantages of the Fourier transform and wavelet transform are, respectively, adopted in this algorithm.

将图像复原正则解的小波变换在频域中执行，提出了一种基于频域的小波变换图像复原正则化方法，这种方法同时利用了傅立叶变换和小波变换各自的优点。

Combining the orthogonal wavelet networks with rough sets theory, a forecasting model of the orthogonal wavelet networks based on rough rets is put forward.

为满足复杂工程预测问题的需要，把粗集理论与正交小波网络相结合，建立了一种基于粗集的正交小波网络预测模型。

The purpose of this study is to present the characteristics of wavelet functions, to compare the effects of choosing different wavelets on wavelet transform, and to discuss the wave shoaling with the help of he WaveletTransform .

本文主旨在於介绍小波函数的特性并探讨不同小波函数对小波转换的影响，再以此分析工具讨论浅化波浪能量於时间－频率域上之变化特性。

In this article, we analyze the relationship between the wavelet width and the reflection angle, the reflector dip,the velocity, by the calculation of the attenuation Sinc wavelet.

本文通过对衰减Sinc子波的实际计算，分析了地震波速度、反射角和地层倾角分别与子波宽度的关系。

The so-called wavelet coefficient block consists of those wavelet coefficients of an image that are only related to a local region of the image.

所谓小波系数块是指图像的部分小波系数，它们只与图像的某个局部相关。

Firstly, the proposed metric acquires the watermark embedded map based on the characteristics of human visual system. Then, the 3-level discrete wavelet decomposition is implemented, and the digital watermark is embedded into each wavelet coefficient block according to the watermark embedded map.

提出的方法首先结合人类视觉系统的特性检测原始图像的纹理丰富区域，获得水印嵌入指示图；然后将原始图像进行3层小波分解，根据水印嵌入指示图在每个小波系数块内利用量化的方法嵌入自定义水印；最后通过失真图像的水印复原率实现对图像的客观质量评价。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。