提取信息

Take the video signal as the carrier, the sender choice embedding the hiding information in the DCT coefficient, according to neighboring many DCT block DC coefficient size relations,, embedding control code, Control information correct extraction.

以视频信号为载体，发送方选择在DCT系数中随时嵌入隐藏信息，根据相邻多个DCT块的DC系数的大小关系，嵌入控制码，控制信息正确提取。

The paper briefly introduces the prominent characters of GR-660 Car-borne γ energy spectrum measurement system , the meaning of whole energy spectrum information mining and GIS technique application in the field of data management and information extraction.

简要介绍了GR-660车载伽玛能谱测量系统的显著特点、全能谱信息挖掘的内涵和GIS技术在数据管理和信息提取中的应用。

Using remote sensing image process technology, the information of structure and wall-rock alterations related to the gold deposit is put forward on the basis of false color composite and ratio color composite, and many ring structures are interpretated on the TM images.

利用遥感图象处理技术，在假彩色合成及比值假彩色合成图象上提取与金矿成矿有关的构造、围岩蚀变信息等，并在TM图象上解译出大量环形构造，将所获得的多种信息进行复合。

Combined GIS with MATLAB, the automatic extraction of RS and geography information of sample plots was realized.5. Introduced the resist-PCA estimation method to build the estimation formula on crown density, stock volume and diameter breast height, good forecast accuracy was achieved and the deficiency of traditional LMS parameter estimation was made up.6. The estimation process software of the model was developed, including data pretreatment, weight function selection, LMS estimation, PCS estimation, resist-PCA estimation, accuracy assessment and other function models, in order to c

摘要4、结合Gls和MATLAB技术实现对样地遥感信息和地理环境信息的自动提取。5、引入抗差主成分估计方法建立郁闭度、蓄积量、胸径的估测方程，取得了良好的估测精度，弥补了传统最小二乘参数估计的不足。6、开发了模型估测处理软件，包括数据预处理、权函数选择，LS估计，主成分估计、抗差主成分估计、精度评价等模块，实现数据处理、模型研建与精度评价的自动化、一体化。

This paper brought out reconfigurable bit permutation network based on the Benes network, improved and implemened two kinds of configuration information extraction algorithms, namely, the dichotomy and parallel algorithms.

比特置换单元由比特置换网络和配置信息组成，基于Benes网络实现可重构比特置换网络，并改进和实现了两种配置信息提取算法，即二分法和并行算法。

The expert system, worked on rule, adopted the discharge signal and DC leakage current value as its characteristic parameters, and then diagnosed the insulation state of DC feeder cable by the values of the characteristic parameters.

直流馈出电缆绝缘诊断专家系统采用基于规则的专家系统实现，系统通过采用数据处理后提取的放电信息，直流泄漏电流幅值信息作为电缆绝缘性能诊断的特征参数，进而根据所获得的特征参数值来进行直流馈出电缆绝缘性能的判别。

For frequency information fluid identification technology:the basic theory of fluid identification based on frequency information has been introduced,for inner and external factor affecting frequency,some steps have been proposed to attain reserved amplitude and frequency analysis data with high resolution,high S/N ratio;through the comparison of time-frequency analysis method, the high accuracy time-frequency analysis method has been selected to extract time-frequency attributes;the analysis method flow of common single frequency fluid identification has been proposed,according to the data of full frequency band,several anomaly zone modes of common single frequency attribute have segregated; incorporating converted wave and compression wave,fluid identification method based on PS wave combined time-frequency analysis has been proposed;the AVO property of various fluid type in frequency domain has been studied;the generalized fourier analysis method,Proni absorption filter has been introduced,and researched for anti-noise and for the seismic processing interpretation flow.The above technology have been applied to fluid identification of organic reef in WBT area in the east of Sichuan and fluid identification of clastic rock in GUANGAN area in the middle of Sichuan,the results show that the above methods are effective.

基于频率信息的流体识别技术方面：介绍了利用频率信息流体识别的基本理论，针对影响频率的内、外在因素，提出一些针对措施，以获得高分辨率、高信噪比的保幅、保频分析数据；通过时频分析方法的比较，选取高精度的时频分析方法提取时频属性；提出共单频属性进行流体识别的分析方法流程，结合全频带数据，分出几种共单频属性异常带模式；联合转换波资料和纵波资料，提出基于纵横波联合时频分析进行流体识别方法；研究了频率域内不同流体类型AVO现象；引进一种广义傅立叶分析方法：Proni吸收滤波，研究其抗噪性以及进行地震处理解释的流程；将这些技术应用川东北五百梯区块进行生物礁储层流体的识别和川中广安陆相碎屑岩的流体识别，取得较好的效果。

An expert knowledge base is designed. Heat and time adjustment of spot welding process are made through the best fusion arithmetic of adapting combined, average and decision-making methods.

通过对各参数特征信息的提取，建立了点焊过程焊点熔核多传感器信息融合模型，设计了一种分层分页式点焊专家知识库结构。

First,we put the indicator card into computer by the scanning apparatus,and carry on the image binaryzation, thinning and vectorization to gain the vectorization of the engineering drawing after the image pretreatment,thereby creating an advantageous condition of feature extraction of indicator card,creating the advantageous condition of improving the failure diagnosis of pumping wells as well.

将绘制的示功图通过扫描仪输入计算机，通过对示功图进行二值、细化、矢量化等处理，将示功图的二值点阵信息转换为矢量信息，为后续示功图特征提取创造有利条件，有利于提高抽油井故障的诊断正确率。

The primary objective of this study was to explore the optimum wavebands,vegetation indices and quantitative models for estimating leaf nitrogen content in wheat by precise analysis on canopy hyperspectral information in relation to leaf nitrogen status.

本文旨在通过对高光谱信息的精细分析和信息提取，探索建立小麦叶片氮含量(LNC，leaf nitrogen content)估算的最佳波段、光谱参数及监测模型。

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