查询词典 mis-classification

The water body was extracted by combining density slicing of TM 5 or TM 7 with the terrain mask produced by DEM. NDVI was used to extract vegetation information, and desertification land and salification land information was extracted by the SAM classification method. Confusion matrix shows that the classification precision is 86.2%.

对TM5/TM7波段进行密度分割，结合DEM数据生成的模板提取水体及盐漠信息；利用NDVI提取植被信息；通过光谱角分类法提取沙化土地和盐渍化土地信息。

Using nearly 50 years of landuse classification map of urban center in Shanghai city as data resources,the gross variation of landuse is studied by using GIS technology.Suppotred by GIS,the status transfer matrix of different landuse classification of adjacent period of time is also calculated respectively by this paper.At last,the spatial evolving process of landuse of urban center in Shanghai city is analyzed simulatively and forcasted quantitatively by using Markov model.

以上海市中心城区近50年来有代表性的土地利用类型图为数据源，采用GIS技术分析了上海市近50年来的土地利用总量变化；并在GIS支持下分别计算出相邻时间点不同土地利用类型的状态转移矩阵，利用马尔可夫模型对上海市中心城区土地利用空间演变过程进行了模拟分析和定量预测研究。

In order to compare the computed tomography scan of schizophrenia and bipolar disorder, 27 bipolar patients and 25 schizophrenic patients who met criteria of International Classification of Diseases, the 10th version and Chinese Classification and Diagnostic Criteria of Mental Diseases, 2nd revised edition were evaluated by computed tomography, using quantitative measures of ventricular size, and sulcal prominence.

为了比较双相情感性精神障碍、精神分裂症病人脑结构的变化，收集符合国际疾病分类第10版和中国精神疾病分类方案与诊断标准第2版修订本的双相情感性精神障碍病人27例，以及精神分裂症病人25例，应用脑CT定量分析脑室、脑沟。

Its acquisition is based on the construction of lexieal databases, the utilization of existing thesauri, classification schedules and other knowledge classification systems, the identification of related concepts and the extraction of their attributes to establish relationship among concepts.

其获取，是在构建语料库的基础上，利用叙词表、分类表和其他知识分类体系等现有的知识本体，识别领域内外相关的概念并抽取相应属性，建立概念之间的关系，并利用所识别的概念和关系创建新的本体，融合已有的本体和新建本体。

In degraded PSM matching classification, errors modification method of degraded PSM is presented and the matching tensor of every canonical scattering centers is given. In Chapter 4, the theory of wideband millimeter-wave radar target identification is introduced. It is indicated that, for HR radar target identification, description of temoral relations among features and pattern recogntion adaptive to variation of target angles are of key importance. A rule-based pattern recogniton method of sequential reasoning is proposed, which uses a series of rules to describe relations of features variation caused by target angles variation and has the advantages of adaption to unrandom variation and false probability control in classification over traditional statistical pattern recognitiop method. Feature extraction is crucial step in target identification. In range profiles identification application, features are extracted by means of range domain pre-processing algorithm, spacial and amplitude visual computation directly from range profiles and transform algorithm based on range profiles. Visual or transformed features are either sufficiently convinced or necessarily convinced and both of them are effective and robust to range profiles identification.

在第四章，首先对宽带毫米波体制背景下目标识别方法的一些特点进行了阐述并指出，在毫米波雷达目标识别中，特征之间动态关系的描述以及能适应目标姿态角变化的模式识别方法的研究乃是要解决的关键问题；进而提出了一种基于规则库的序贯推理模式识别新方法，在这种方法的研究中，主要包括序贯推理规则库的规则排列与特征选用顺序以及规则库的收敛等问题；这种方法克服了传统的统计模式识别方法特征利用效率不高、难以适应特征值的非随机性变化的缺点，把姿态角变化所引起的特征的变化用一系列规则加以表示，其优点是能适应特征值的非随机性动态变化，并能控制分类过程中的差错概率α；特征抽取是目标识别中的关键步骤，在基于目标距离像的特征抽取方法研究中，提出了距离空间域的预处理算法、距离空间域与幅度域的直观特征抽取方法以及基于目标距离像变换分析的特征抽取方法。

A character-codes model based pattern recognition method by using amplitude data of targets frequency response is proposed after the establishment of high frequency response equation of radar targets. The method uses the same unvariant character-codes to express the same target of different angles and uses sequential separating of regions of target's reference variables to obtain multiple coding vectors of all regions for every target. The category and pose of target can be determined after a two-staged classification processing such as coding processing of target range profile data and errors correcting processing of coded data. The two-stage classification results are used to target identification as posterior hypothesis to be tested by sufficient convincing and necessary convincing. The character-codes model based pattern recognition method is also adaptive to variation of target angles and controllable in error probability. Time-consuming and complicated iterative computation is not necessary in the train process of pattern recognition.

首先建立了雷达目标的高频频率响应方程，这种方程将目标多散射中心理论与目标局部谐振理论有机地结合起来；进而提出了目标多频响应结构成像方法，这种方法将瑞利区频率响应或谐振区频率响应曲线的不同部位用各种不同的近似方法去逼近，通过特征谱估计方法将目标的局部频响特征与宽带距离响应特征结合起来；然后提出了一种基于姿态角变化区域的序贯划分与多模匹配的特征编码识别方法，这种方法具有能适应目标姿态角的变化以及能控制识别的差错概率α等优点，在目标识别时只需要目标在少数有限个频率激励下的幅频响应数据。

This paper introduce the classification algorithm of using decision tree ,and to compare and e- valuate for the various decision tree classification algorithm.

介绍了利用判定树分类的算法，并对各种判定树分类算法进行比较和评价，在此基础上提出判定树分类算法的改进方向。

He founded the dual classification, the Chinese school of the classification of flower varieties, established gene pools of golden camellias and tested out a successful breeding technology. With the wild flowers of China as the parents and through wild breeding, he nurtured new varieties of golden camellias, Chinese roses, and groundcover Chrysanthemum with anti-stress and ornamental properties. He is the authority of the international registration of Mei cultivars.

他创立了花卉品种分类的中国学派——&二元分类法&；建立了金花茶基因库，试验出一套成功的繁殖技术；以我国野生花卉作亲本，通过&野化育种&，培育出具有抗逆性与观赏性的金花茶、月季和地被菊等花卉新品种。

Except in the higher echelons, extensive classification has no place in the classification of vegetation.

除高阶类级之外，外延分类在植物分类中还是没有地位的。

This article took the materials importance;urgency and scarcity as the classified criterion, put the velues after being fuzzed as the input of PPSVM, selected the classification which is corresponding with the Max Posterior Probability as the output , the results of the classification are obtained finally .

把物资的重要性、时效性和缺口程度三个因素作为物资需求分级的评价标准，将模糊化后的评价值作为PPSVM的输入，选择后验概率最大所的类别作为测试样本的类别输出来完成整个分类过程，从而得到对应的分级结果。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。