1) characteristic quantity
特征量
1.
several methods to obtain the characteristic quantity of the magnetic leakage field signal is proposed.
介绍了漏磁无损探伤原理，分析了缺陷信号的特点，提出了获取漏磁场信号特征量的几种方法。
2.
By analyzing the characteristic quantity and choosing relevant membershipfunction,corresponding fuzzy mathematical model is given.
通过分析故障时的特征量,并选择合适的隶属函数,建立了相应的模糊数学模型。
3.
The characteristic quantity of polluted insulator s operation state was analyzed.
分析了表征污秽绝缘子运行状态的特征量,比较了各特征量的特点及其适用场所,总结了影响泄漏电流的特征量,在人工污秽试验的基础上,讨论了泄漏电流在闪络过程中的特征,得出了泄漏电流与其基本特征量之间的关系,通过希尔伯特变换的方法提取了泄漏电流包络线,分析了电弧延伸在污闪发展过程中对泄漏电流的影响。
2) characteristic value
特征量
1.
In order to realize the method, the statistical characteristic values of the image are selected from all that we have used before, and a practical criterion is given.
在触觉图象的统计描述特征量基础上，提出了用多元统计分析中的判别分析，对常用的特征量进行了选择，使判别更为有效，并给出了实用的判别方程，借此可以提高判别的正确率，也可解决圆和六角形易误判的问题。
2.
In order to describe the intensity of West Pacific subtropical high quantitatively, the characteristic values were brought forward by using OLR field.
为了定量描述西太平洋副热带高压的强度变化,利用1 989～2 0 0 2年每年的5～9月OLR场的月(候)平均资料,以其特征量作为描述副高的一种方法。
3.
The key idea is that work node calculates variable beacon period according to characteristic value relative to up node.
在该算法中,工作节点根据相对于上游节点的特征量动态地计算下一次信标交换周期,空闲节点根据相对于所有邻居节点的特征量动态地计算下一次信标交换周期,或者采用周期性信标交换。
3) characteristic parameter
特征量
1.
Determination of characteristic parameters of weld penetration in electron beam welding of aluminum alloy;
铝合金电子束焊接熔透特征量的确定
2.
According to the non-linear character of voltage signal during aluminum alloy spot welding,the nugget quality is quantitatively described by using the Box Counting Dimension as the characteristic parameter for the first time.
针对铝合金点焊过程中电压信号的非线性特点,从分形理论出发,首次尝试利用盒维数作为特征量对点焊质量进行定量描述。
3.
Time-domain characteristic parameter,frequency-domain characteristic parameter and wavelet packets characteristic parameter were extracted,and wavelet packets three-dimension time-frequency energy drawing was plotted.
利用发动机机身振动信号对活塞环失效进行监测,提取了时域特征量、频域特征量和小波包特征量,并绘制了小波包三维时频能量图。
4) feature
[英]['fi:tʃə(r)] [美]['fitʃɚ]
特征量
1.
The features were selected through analysing the signals of magnetic flux leakage.
采用替换、平滑、反差等方法改善缺陷的漏磁信号 ,并把漏磁信号转变成云图 ,由人定性识别出缺陷的位置 ;通过对管道漏磁信号的分析 ,选取了缺陷漏磁场的特征量 ,采用非线性方法实现缺陷的定量分析。
2.
Four features, including mean, variance, peak-to-peak value of time-domain flame signal and uniformity of frequency-domain are extracted.
首先对火检信号数据进行必要的预处理,提取出火焰信号的亮度平均值、火焰亮度方差、火焰亮度峰峰值作为火检信号时域特征量,在前人研究的基础上提出并使用“均匀度”作为火检信号频域特征量。
3.
Research shows that the feature parameters by the Morlet wavelet transform 3-D distribution figures can be used to distinguish point to point PD,point to plate PD and surface PD.
理论和仿真实验分析表明,小波变换三维分布图提取的特征参数可以作为识别局部放电的新特征量,这些特征量作为人工神经网络的输入量可单独使用也可结合其它方法使用。
5) Characteristic vector
特征向量
1.
An exploration into various proofs of a theorem about characteristic vectors and zero-input responses;
特征向量的零输入解定理及其证法探讨
2.
A Method Of Finding The Solution Of Master Characteristic-Root And Characteristic Vector Of The Reciprocal Matrix;
正互反矩阵的主特征根及其特征向量的一种求法
3.
The characteristic vectors are composed of computed MFCC(MEL frequency cepstrum coefficient) and difference MFCC(difference MEL frequency cepstrum coefficient) as well as wavelet packet characteristic entropy in every frequency band after wavelet packet is decomposed.
提出了一种将倒谱特征和小波包特征熵相结合的直升机声目标识别新算法,首先分析了直升机声信号的特点,计算了声信号的MFCC(MEL频率倒谱系数)、差分MFCC(差分MEL频率倒谱系数)和小波包分解后各个频带内的小波包特征熵组成的特征向量,并以此向量输入反向误差传播(Back Propagation,BP)神经网络进行训练,再用训练好的神经网络进行不同直升机型号的识别,最后给出了统计结果。
6) energy characteristics
能量特征
1.
Energy characteristics of alder cypress mixed plantation ecosystem.;
人工桤柏混交林生态系统的能量特征
2.
The community structure and energy characteristics of Pinus elliottii artificial forest in Heshan;
鹤山湿地松人工林的群落结构与能量特征
3.
Energy characteristics of the reaction kinetics of H + Ca 2+ on red soil surface under acidic conditions were investigated by using a home made dynamic device.
用自行设计的动力学装置研究了酸性条件下H+ -Ca2 + 在红壤表面的反应动力学能量特征。
补充资料：分布和特征量统计(见统计分析)
分布和特征量统计(见统计分析)
fenbu he tezhengliang tongjj分布和特征量统计见统计分析。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条