查询词典 wavelet

After studying casting process from ladle to pouring box and protection casting supporting mechanical structure, vibration dynamics model of supporting structure is founded, also variation of steel water impact force and influencing factors of inspecting spot vibration are discussed. Primary analysis is done for steel water vibration signal by the way of basal wavelet processing method, and the deeply feature extraction is finished to realize the effective recognition for steel water status using wavelet package method.

通过对钢包到中间包保护浇注的过程及其支承结构的相关研究，建立保护浇注支承结构的振动动力学模型，并且考虑对钢液冲击力的变化及影响测振点振动的因素，利用基本小波处理方法对钢水振动信号进行初步分析，并通过小波包技术进行进一步的特征提取，最终实现对钢液状态的有效识别。

Though the decay of weighted wavelet coefficient is the same as the common wavelet, the computable complication is observably reduced.

表明了加权小波系数的衰减性与一般正交小波的系数衰减性相同，但计算复杂度更低。

Source images with wavelet are decomposed, and corner information can be detected in the two approximate sub-images on the wavelet coarsest level. The initial registration parameters are achieved through affine transform model. The optical flow is iteratively refined to get the coarse registration parameters. The process will continue until the final and accurate matching parameters are obtained.

首先对源图像进行小波分解，在小波金字塔最顶层的低频近似子图像上进行角点检测，通过仿射变换模型得到初始配准参数；然后将这一参数逐层进行迭代精炼，直至达到金宇塔最底层，得到最终精确的配准参数。

In Chapter 3, COWB (Combined Orthonormal Wavelet Bases) and COWP (Combined Orthonormal Wavelet Packets) with scale factor a=4 are constructed.

第三章中，讨论了a尺度混合正交小波基及相应的混合正交小波包的构造问题。

The method of wavelet transformation is applied to the analysis of monthly mean total ozone in Antarctica .The jump points of different hierarchies which revealed by Mexico Hat Wavelet is shown as cusps of zero points .

运用Mexico草帽子波对南极臭氧总量月平均资料进行了子波分析，墨西哥草帽子波所揭示的不同尺度下的突变点均表现为过零点的拐点。

The result show that wavelet can effetely reduce the output noises of inertial instruments and this alignment based on wavelet is faster than the common alignment to gain the same precision.

研究显示，小波分解滤波可以显著减小惯性器件的噪声，利用经过消噪的信号进行初始对准，滤波器的收敛速度加快，在相同对准时间内精度有明显提高。

It has been proved that Lifting Scheme can realize all the first generation wavelet transforms. On the basis of research of Lifting wavelet technology and DSP technology, this paper empolders a sort of long-distance monitoring system.

本文是在对提升小波技术和DSP技术进行研究的基础上开发的一种远程监测系统，本系统是数字信号处理技术、图像压缩编码技术和网络通信技术相结合的产物。

The relationship between the wavelet scale and particle diffraction scale is discussed and based on which the effects of wavelet scale on the resolution,depth of field,signal-to-noise and gray distribution in axial direction of the reconstructed particle image are extensively investigated.

在小波尺度参数取值范围研究的基础上，探讨了小波尺度和粒子衍射波尺度的关系，深入研究了小波尺度对重建图像分辨率、景深、信噪比以及粒子图像灰度分布的影响。

Based on the research of the HAAR wavelet the writer put out a method analyzing those signals of high-speed run-up state through HAAR wavelet.

论文对Haar小波的特性进行了深入分析，提出了一种基于Haar小波的快速启动过程振动信号的分析方法。

Besides, by the application of the two kinds of similar Haar wavelet transforms, typical fault signals in power systems are analyzed. It is proved that the two kinds of similar Haar wavelet transforms are very effective methods of the detection of fault signals in power systems.

此外，本文借助于这两种相似Haar小波变换，分析了电力系统几种典型的故障信号，证明了这两种相似小波变换方法对于检测电力系统故障信号是非常有效的。

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。