提取信息

A method based on wavelet analysis and wavelet ridge is proposed to demodulate the UM71 signal and extract its information features.

针对UM 71信号的信息特征，提出了基于小波分析技术、利用小波脊线对UM 71信号进行解调进而提取UM 71信号信息特征的方法，给出了小波算法解调过程，通过计算机仿真，证明了此方法的有效性。

So using fractal theory box dimension and information dimension can be extracted from signal as the classification feature.

因此利用分形理论从信号中提取盒维数和信息维数作为分类特征，这种特征可包含信号幅度、频率和相位的变化规律，并集中了不同调制信号之间的差异信息。

The system integrated laser scanning technology can realize almost real_time capture of spatial information although it has defects such as huge amount of dataset, discrete points with no topology relations,etc.

提出了一套基于建筑物几何特征的信息挖掘方案，并具体介绍了研究中采用的一些原理、方法与实用算法，从而可以直接从激光扫描数据中提取建筑物的平面外轮廓信息。

Data mining can distil available information from mass data, the information is very valuable, but difficult to rely on experience or common sense to infer.

数据挖掘能够从海量的数据集中提取人们所不知道的隐藏知识信息，这些信息尽管可能很有用，可是很难靠经验或常识来推断。

How to use information that is much faster and how to take large volumes of information and distill it down to just exactly what you need.

如何非常快地利用信息；以及如何获得大量的信息并从中提取你所需要的内容。

A supervised texture image segmentation algorithm based on dual tree complex wavelet transformand Markov random fieldmodel is proposed. The algorithm consists of two steps. First, the complex transform coefficients are statistically modelled

基于对偶树复小波和马尔可夫随机场模型提出了一种监督纹理图像分割算法，算法包括两个步骤，首先对复小波变换系数进行较为精确的建模，提取其一阶统计信息作为纹理特征，综合多个尺度的信息，基于极大似然标准进行初始分割

This is a simple code snippet which fetch the file information, and update it once you have modified the information.

这是一个简单的代码段提取文件的信息，并更新一次您修改的信息。

Under the guidance of the principle and method of seismic sedimentology, we analyze the planar facies map with seismic information based on single-well facies, fetch the information of isochronal stratum unit with the technology of stratal slicing, and research on the planar facies distribution and the evolution history of different stratum unit using various seismic attributes.

以地震沉积学的原理及方法为指导，以单井相分析为基础，将地震高阶信息应用于沉积相平面分析；利用地层切片技术在地震数据体中提取等时地层单元信息，结合各种地震属性参数的分布研究不同地层单元的沉积相分布及其演化史。

On the basis of image segmentation by complexion and gray information,some rough facial feature contours can be outlined by seed-filling the non-complexional regions.Then a modified color Snake model was used to fine-draw the rough contours.

根据肤色和灰度信息，在图像分割的基础上，利用种子填充技术获得面部各非肤色特征的轮廓初值；然后采用一种改进的彩色Snake模型对轮廓初值进行精确定位；接着，根据人脸的先验知识，利用含有方向信息的形态学边缘检测算子通过一次逐点考察完成下颚轮廓线的提取。

On one hand, it overcomes Fourier Transform that is not equal to analyzing unsteady signal and transient signal; On the other hand, it overcomes Fourier Transform that the scale of window of time domain and frequency domain is fixedness.

因此，本文通过运用小波分析对这些特征信息进行分析提取，结果表明利用暂态过程中含有的高频信息，能够有效实现故障选线。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失