结果表明，强震前有信息增益减小的特点。
The result shows that the information gain decreases before strong earthquake.
信息增益是最有效的特征选择算法之一，但计算量大。
Information gain is one of the most effective feature selections, but its computation is too huge.
本文提出了一个基于信息增益和卡方检验的属性选择算法。
This paper proposes a new future selection algorithm based on information gain and chi-square test.
这四种特征选择采用的统计方法是：卡方、信息增益、互信息、交叉熵。
The four kinds of feature selection statistics include Chi-square, information gain, and mutual information and cross entropy, and the four corresponding feature sets are obtained.
实验结果表明，DB2与LDB极为稳定，达到了与信息增益相当的精度；
The experimental results indicate that DB2 and LDB yield high accuracy, which is nearly the same as Information Gain;
最后基于信息增益特征选择进行实验，使实验复杂度降低，时间缩短，识别率提高。
The result achieved is that the complexity has been reduced, time consumed has been shortened and the accuracy of the identification has been obviously improved.
该文采用过滤策略，利用候选映射策略和信息增益策略减少待映射概念和待计算属性数量。
This paper adopts a filtering tactic which USES candidate mapping tactic and information gain tactic to reduce the amount of concepts and attribute waiting for computing.
针对上述问题，提出了信息增益(IG)与主成分分析(PCA)相结合的特征选择方法。
Aiming at the preceding problem, this paper puts forward a feature selection method using Information Gain (IG) and Principle Component (Analysis) (PCA).
传统的ID3决策树算法以信息增益作为属性选择的准则值，但是信息增益大的属性并不一定就是有价值的属性。
Information gain is the measurement of the attributes selection in classical decision tree algorithm-ID3, but the attributes with high information gain is not always the valuable attributes.
针对文本分类中信息增益降维方法的不足，提出了一种基于相对文档频的平衡信息增益(RDFBIG)降维方法。
To overcome the shortage of information gain in text categorization, this paper proposes a method of feature reduction based on the relative document frequency balance information gain (RDFBIG).
在决策树理论的指导下，通过信息增益的应用和公式的构造获取属性重要程度评价值，结合决策树挖掘得到个人住房贷款风险评估模型。
Based on the theories of decision tree, this paper gets the importance assessment value among attributes through applying information gain and constructing formula.
ID 3使用类别信息增益(CIG)作为选择属性的标准，而作者在逆向思维的基础上提出了使用属性信息增益(aig)来选择属性。
ID3 use category information gain (CIG) as selection level, through converse thought, author come up with attribute information gain (AIG) as selection level.
针对这一问题，提出了一种基于聚类的特征选择方法，先使用聚类的方法对特征间的冗余性进行裁减，然后使用信息增益的方法选取类别区分能力强的特征。
This paper introduced a new feature selection method, which first used clustering to reduce redundancy among features and then used Information Gain to choose good features.
根据ID3算法中信息增益计算原理的特点，利用上凸函数的性质提出一种新的改进的ID3算法，减少了信息增益的计算量，进而提高ID3算法中信息增益的计算效率。
According to the character of expected information, the article proposed a new ID3 algorithm of decision trees to reduce the complexity of computing expected information by the convex function.
在发送方向，收发信机向功率放大器提供射频信号，功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
想必以上这些都是好的（增益效能类的）信息榜样而非坏的（分心或误导类的）示范。
Presumably all those are examples of good information (the empowering sort)rather than bad (the distracting or misleading sort).
必需的静态增益信息可以从静态设计模型或从LAB -ID 的输出获得。
The necessary steady state gain information may be obtained from steady state design models or LAB -ID output.
文中主要阐述可编程增益的研究，包括硬件构成、软件设计和信息后处理。
In this paper, the studies on programmable gain is described detailed including the hardware structure, the software design and information post processing.
这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.
研究了渐消记忆递归最小二乘法在背景建立中的应用，修正增益因子，引入更多的背景信息，对复杂背景进行更加完善的预测建立。
Applying the recursive least square method to background rebuild, revising the gain factor and bringing in much information forecast more perfect complex background.
在跟踪滤波器的增益阵中引入测量噪声与过程噪声的相关量和测量噪声之间的相关量，增加了描述多传感器融合系统的信息量。
The correlations between measurement noises and processing noises are added to the gain matrix of tracking filter, so information that can describe multi-sensors fusion systems is increased.
然后，设计模糊逻辑控制器，利用编队运行中的导航信息、通信信息以及任务优先级信息，对控制器增益进行模糊调节。
Then a fuzzy logic controller was designed as a regulator to modify the optimal control gains based on the run-time information, including navigation, communication, mission priority, and so on.
多接收天线可以对判决似然比和迭代译码的外部信息提供分集增益，从而进一步提高系统性能。
Multi-receive antennas can also provide the diversity gain for LLR information and iterative extrinsic information.
本文提出当信道增益为时变函数时，利用自适应控制器来补偿信道增益的变化，以便在接收端能准确地恢复出信息信号。
In order to recover the message carrying signal at the receiving end, we use adaptive controller to compensate the variation of channel gain when the channel is time-varying.
宽带增益平坦光放大器是密集波分复用光通信系统提高信息容量的基本需求。
Gain flattened wideband optical amplifiers are the basic devices which will meet a demand for the increase of the capacity of dense wavelength division multiplexing optical communication systems.
本文简单论述了信息在传播过程时的增益、受众对信息的选择以及信息价值在传播过程中的变化情况。
Enhancement effect of information, information choosing and its value are discussed simply in information transmission process in this paper.
同时，也应根据汉语表达习惯的需要，对抽译出的词加以适当的引申和增益，在译文中灵活处理，以求最终达到忠实而通顺地再现原语信息的目的。
At the same time. based on the idiomatic expression, the"abstracted"word is appropriately amplified and extended in the translation to reproduce the original information faith…
同时，也应根据汉语表达习惯的需要，对抽译出的词加以适当的引申和增益，在译文中灵活处理，以求最终达到忠实而通顺地再现原语信息的目的。
At the same time. based on the idiomatic expression, the"abstracted"word is appropriately amplified and extended in the translation to reproduce the original information faith…
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