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特征字符串
相关语句
  characteristic string
     Relying on the users' configurations, the process module can retrieve and filter packets, and dispense these packets according to the port number, IP address, characteristic string or the combination of them.
     处理模块则根据用户的配置要求来检索和过滤数据包,并且按照端口号、IP地址区间、特征字符串或三者的组合要求完成输出分发。
短句来源
     This model utilizes some means such as IP and Port Wrapper, characteristic string matching and flow analysis. It uses three-layer detection, step-by-step tracking and synthetical analysis to accurately judge the Trinoo intrusion.
     该模型利用了IP和端口陷阱、特征字符串匹配和流量分析等有效的检测手段,通过三层检测、逐级跟踪、综合分析,从而比较准确地判断Trinoo的入侵。
短句来源
     Based on the distinguished features of the bill used in finance,tax and other industries,we have proposed a new method that can quickly classifies a bill according to the combination of its multiple characteristics,bill size,barcode,header,characteristic string,characteristic image,and characteristic pattern,etc. The new method increases the speed and the accuracy of bill classification.
     论文分析了各种票据分类方法的优缺点,并根据金融、税务等行业所使用的票据特点,提出基于多特征融合的快速分类方法,可以将票据的几何尺寸、分类条码、标题、特征字符串、特征图像块、特征框线等特征有机地融合并进行分类,提高了票据分类的速度与准确性。
短句来源
  “特征字符串”译为未确定词的双语例句
     The most important sector in Misuse intrusion detection is pattern matching.
     滥用入侵检测技术中最重要的一个环节是模式匹配,目前的模式匹配主要是对报文中特征字符串的匹配。
短句来源
     and the speed of detection is improve through the decrdasd of the times of detection to network-package by applying various characteristic-string of the sane lengthwith their corresponding pattern.
     通过为不同的模式选择长度相同的特征字符串大大减少了对网络包进行检测的次数,加快了检测的速度。
短句来源
     For the misuse-based intrusion detection system, the string matching computations dominate in the overall of running an intrusion detection system, so the capability of matching algorithm directly affects the total efficiency.
     对于基于误用的入侵检测系统,特征字符串的匹配是检测过程中最费时的部分,因此匹配算法的性能直接影响到整个入侵检测系统的效率。
短句来源
     Misuse intrusion testing technology is the most important link in a pattern matching the current model of matching reported mainly on the text of character string matching.
     误用入侵检测技术中最重要的一个环节是模式匹配,目前的模式匹配主要是对报文中特征字符串的匹配。
短句来源
     Then the character of neural network and pattern matching is analyzed, the neural network is fit to detect the intrusion based on the statistical feature of network flux, and the pattern matching detects the intrusion by searching specific character string in the data packet.
     然后分析了神经网络和模式匹配技术的特点,神经网络适合检测具有统计特性的入侵行为; 而模式匹配技术通过在数据包中搜索特征字符串来检测入侵。
短句来源
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  相似匹配句对
     The Realization of Multi-ordering Character Recognition by Means of Joint Transform
     多特征有序字符串的Joint变换识别
短句来源
     (2)essential features;
     基本特征;
短句来源
     A Model for Chinese String Similarity Based on Multi-Level Features
     基于多层特征字符串相似度计算模型
短句来源
     the characteristics of inclusions;
     包体特征;
短句来源
     Packed Character String Sorting
     紧缩字符串排序法
短句来源
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The present paper makes a further study of the realization of multi-ordering character recognition by means of Joint Transform, the realization of multi-ordering character recognition by this method is dealt with for the first time in this paper. Mathematical models and the results of the experiments of the realization are obtained. It is shown that Joint Transform of the t-number ordering signals with their character signals will give t-multiplying overlapping correlations in the same position on the output...

The present paper makes a further study of the realization of multi-ordering character recognition by means of Joint Transform, the realization of multi-ordering character recognition by this method is dealt with for the first time in this paper. Mathematical models and the results of the experiments of the realization are obtained. It is shown that Joint Transform of the t-number ordering signals with their character signals will give t-multiplying overlapping correlations in the same position on the output plane of the Joint Transform correlator system.

本文就Joint变换用于特征识别问题作了进一步的分析研究,首次讨论了多特征有序字符串的Joint变换识别,求得了这类问题的数学模型,给出了实验研究的结果,证明了t个有序特征字符串的识别,可以在Joint变换相关运算系统的输出平面上,通过对确定位置的t重重叠自相关的检测来实现,为多特征信号的识别工作提供了有益依据。

A new algorithm of fasttemplate matching based on the projection was proposed.Itprojects the image to get1 D data and changes the data into the0 - 1 string using the difference operator.The coarse matching using the fast string matching algorithms is obtained.The finer matching is achieved using the NC ( Normalized Correlation) method.This algorithm is shown as a new robust algorithm by the test on computer.

分析了传统的模板匹配算法 ,提出了一种新的基于投影的快速模板匹配算法 .该算法对图像计算一维投影 ,并将投影数据差分转化为描述图像特征的字符串 ,在快速字符串匹配的基础上 ,进行归一化的相关计算 ,既保证了匹配效果 ,又提高了匹配速度 .实验结果表明 ,这是一种有效的新算法

This article proposes a three-layer detection model against distributed denial-of-service attacks through the analysis of the characteristics of Trinoo which is the typical tool to attack DDOS. This model utilizes some means such as IP and Port Wrapper, characteristic string matching and flow analysis. It uses three-layer detection, step-by-step tracking and synthetical analysis to accurately judge the Trinoo intrusion. It refines the Snort detection model which only judges by characteristic string matching,...

This article proposes a three-layer detection model against distributed denial-of-service attacks through the analysis of the characteristics of Trinoo which is the typical tool to attack DDOS. This model utilizes some means such as IP and Port Wrapper, characteristic string matching and flow analysis. It uses three-layer detection, step-by-step tracking and synthetical analysis to accurately judge the Trinoo intrusion. It refines the Snort detection model which only judges by characteristic string matching, thus the false alarm rate is lower. Also the theory of this model has great reference value for defensing other attacks.

本文通过对典型分布式拒绝服务(DDoS)攻击的工具Trinoo的攻击特性分析,提出了三层检测DDoS的模型。该模型利用了IP和端口陷阱、特征字符串匹配和流量分析等有效的检测手段,通过三层检测、逐级跟踪、综合分析,从而比较准确地判断Trinoo的入侵。它改进了Snort检测中仅靠特征字符匹配进行判断的方法,从而降低了误报警率。同时该模型中分析和解决问题的思路对于防御其它攻击有着很重要的参考价值。

 
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