1) logarithmic energy feature
对数能量特征
1.
A new logarithmic energy feature for endpoint detection;
端点检测中的一种新的对数能量特征
2) Characteristics of the energy function
特征能量函数
3) 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。
4) energy characteristic
能量特征
1.
Molecular Dynamics study on the energy characteristic of copper nanoclusters at room temperature and during heating;
纳米铜团簇在常温和升温过程中能量特征的分子动力学研究
2.
Wavelet packet energy characteristic identification of water flooded layer;
水淹层小波包能量特征识别方法
3.
The criterion of diagnosis to inception cavitation based on different scales energy characteristic of the signal was brought up.
提出以信号各尺度能量特征值作为初生汽蚀诊断识别的判据。
5) characteristic energy
特征能量
1.
An improved method for calculating characteristic area and characteristic energy and its application;
一种改进的特征面积和特征能量计算方法及其应用
2.
It is a report in which the atomic concentrations and chemical compositions along the depth of a AlN x O y /Fe selectively absorptive film are analyzed by determining the characteristic energy of electron using X ray photoelectron spectroscopy(XPS).
本文报告了用Ｘ光电子能谱法（ＸＰＳ）对氮氧化铝／铁膜内层电子特征能量的探测与分析，获得了膜层中不同深度的元素成分及化学结构。
3.
By using the symmetry conservation tensor, the characteristic energy and the length of major and minor axis for elliptis orbit can be obtained.
三维各向同性谐振子有一对称的守恒张量,由守恒张量可直接求得振子的特征能量和轨道长短轴的长度。
6) energy feature
能量特征
1.
Damage identification methods of wavelet probabilistic neural network based on energy features;
基于能量特征的小波概率神经网络损伤识别方法
2.
Study of on-line handwriting signature verification algorithm based on energy feature matching;
基于能量特征匹配的在线手写签名验证算法研究
3.
Study on the On-Line Signature Verification Algorithm Based on Energy Feature;
基于能量特征匹配的在线签名验证算法研究
补充资料：股票价格的对数正态分布特征
股票价格的对数正态分布特征
图3对数正态分析 var(Sr)二《刃留.4(eoi6一1)=l 03 .54一年中，股票价格的标准偏差是了I硬币环或10.18。这就表明Insr服从正态分布，从而ST具有对数正态分布特征。l记乌的标准偏差与丫了不成比例。也就是说股票价格对数变化的不确定性是以标准偏差来估算的，而且与我们估算的时间长短的平方根成比例。 例4: 以某种股票为例，其初始价格为40美元，年预期收益率为16%，年易变性为20%。根据方程式(17)，在六个月时间内，股票价格sT的随机分布服从: 】竭一甲〔h洲。+(0 .16一0.卿2)0.5，0.2而万亏〕 l“乌一杯3 .759，0.141)一个正态分布的变量，若其平均值标准偏差的范围在1.%之内的可能性为95%，那么，有95%的把握，Insr的值是在以下区间内: 3 .759一1.%x 0.141
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