查询词典 wavelet

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。

LDoS (low-rate denial-of-service) attacks are stealthier and trickier than the traditional DDoS attacks. According to the characteristic of periodicity and short burst in LDoS flows, a detectionsystem DSBWA (detection system based on wavelet analysis) against LDoS attacks has been designed andimplemented based on feature extraction using wavelet transform.

低速率拒绝服务攻击(low-rate denial-of-service，简称LDoS)比传统的DDoS攻击更具隐蔽性和欺骗性，依据其周期性脉冲突发特点，设计实现了一种基于小波特征提取的LDoS 检测系统DSBWA(detection system based on wavelet analysis)。

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。

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。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。