统计特征统计学的基本概念之一在用数理统计方法研究总体时，人们所关心的实际上并非组成总体的各个个体本身。统计特征有数量特征和属性特征之分，其中数量特征又有计量特征和计数特征之分，数量特征可以直接用数值来表示，例如，元件的大小尺寸、小麦的株高等均是计量特征；而夏季暴雨的次数、一平方米布料上疵点的个数是计数特征；属性特征不能直接用数值来表示，如产品是否为合格品、每个人的性别等，特征就是要考察的指标。
心理统计特征 psychographics
区域人口统计特征 geodemographics
人口统计特征 Demographics ; Demographic Characteristics ; demographic traits
人口统计特征的 demographic
人口统计特征概况 demographic profile
统计特征分析 ENVIBasic Tools Statistics Computer Statistics
数理统计特征 Mathematical And Statistic Feature ; mathematical and statistic eigenvalue
Investigation of occurrence frequencies,timing,mean wind speed and wind direction distribution of wind patterns reveal the statistical characters of coastal near-surface wind over the China Sea.
对各个风场类型的出现频率、时间分布、平均风速和风向分布等特征量的全面分析,揭示了中国近岸海域海面风场的统计特征。
参考来源 - 中国近海海面风场的分类In this method, wavelet and fractal are used to pick up the structure feature and statistical feature, and these features are combined and used for recognizer as input data.
对手写汉字分别采用小波和分形的方法提取其结构特征和统计特征,并将提取的结构特征和统计特征组合后作为识别器的输入进行识别。
参考来源 - 手写体汉字识别中小波分形分解特征的研究By analyzing the IP flow statistical characteristics of backbone networks, the propoed method has a capability of analyzing backbone IP flows in the views of“cluster”and“combination”.
通过对主干网络上的IP数据流特点进行分析,从“聚”和“合”两个角度对主干网络IP流进行分析,并综合考虑主干网络IP流的统计特征,给出了IP流特征动态合并的方法。
参考来源 - 面向认知网络的自适应QoS感知与配置方法Based on this property, a novel steganalysis scheme was proposed which was implemented by using support vector machine (SVM) to classify stego-audio from clear audio with the audio and its linear prediction statistics features.
由此,提出了一种采用支持向量机对音频信号及其线性预测误差的统计特征进行分类来检测音频隐写的新方法。
参考来源 - 基于隐写工具的自相关特性进行音频隐写分析PCA is multidimension orthogonal linear transformation which based on statistical characterization. In practical application, PCA is called K-L transform.
主分量法(PCA)是在统计特征基础上的多维正交线性变换,在实际应用中一般都称为K-L变换。
参考来源 - 单足足迹主轴对准的研究Thesoftware can automatically acquire and process not only statistical characteristics ofthe discharges, but also the detailed wave shape of them.
此软件系统能够进行放电统计特征和波形特征的自动数据采集和处理,能够满足在线监测的需要。
参考来源 - 高压设备危险局部放电在线监测系统软件研究Through analyzing the influence introduced by the embedding process, the statistical properties sensitive to embedding are extracted as a feature vector. The support vector machine is then used as a discriminator.
本文深入分析了嵌入信息对于运动矢量统计特性的影响,并提取对嵌入过程敏感的空域和时域的统计特征作为特征向量,利用支持向量机实现载体序列和载密序列的分类。
参考来源 - 视频信息隐藏分析研究Pitch、Energy、Speech rate、Formant and Mel sub-band energy etc related statistic features are extracted from speech signal.
从语音信号中提取了基于基音频率、振幅能量、语速和共振峰和Mel频带子带能量等相关的统计特征参数。
参考来源 - 基于独立分量分析的语音情感识别研究Thus, the efficiency and applicability of the ANN structural damage identification method based on the statistical property of structural dynamic response in crak diagnosis is verified.
总之,本文验证了基于结构动态响应统计特征的结构损伤识别人工神经网络方法在裂缝诊断中的有效性和适用性。
参考来源 - 钢筋混凝土梁裂缝诊断的智能方法For charging mode, the optimal instantaneous energy management strategy is also applied to the torque distribution between engine and generator. The charging torque limits are redesigned according to the statistics characteristics of velocity and load of vehicle’s driving mode.
当混合动力汽车处于充电工况时,发动机和发电机的转矩分配仍采用瞬时能量管理优化策略,但充电转矩界限根据汽车运行工况的负荷和车速统计特征进行设计。
参考来源 - 并联型混合动力汽车能量管理策略研究This study also examines effects of demographic features to obtain possible group variations in motivation types and in self-identity changes, and presents some implications for English teaching and learning in Chinese context.
本研究还考察了统计特征,如年级、性别、专业、家庭背景、英语水平等在动机类型和自我认同变化类型上的影响,为中国语境下的英语教学提供了一些启示。
参考来源 - 硕士研究生英语学习动机类型与自我认同变化探究·2,447,543篇论文数据，部分数据来源于NoteExpress
准确地表示一个远程视图的统计特征很有技巧。
Accurately representing the statistics characteristics for a remote view is tricky.
汤姆说宠物主折射出家庭人口统计特征的钟形曲线(译注：正态分布曲线)。
Tom Gerds said pet owners mirror the bell curve of household demographics.
加权样本如果回复率相等，那么会提供有用信息的具有不同人口统计特征的个人。
The number of individuals in different demographic groups who would have provided usable information if response rates were equivalent. See sample weighting.
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