1) wavelet-coefficient standard deviation
小波系数标准方差
1.
The integration of two feature descriptors, wavelet-coefficient standard deviation of the approximation sub-image and M-band wavelet histogram, and their corresponding distance similarity measure functions are used to realize progressive retrieval of target texture image databases.
提出了一种基于多进制小波变换的渐进式纹理图像检索方法,纹理图像的特征通过多进制小波分解结果来描述,用低频子图小波系数标准方差和多进制小波直方图结合相应的相似性距离函数,实现目标图像数据库由粗到精的渐进式检索。
2) standard deviation coefficient
标准差系数
1.
Analysis on how to influence the standard deviation coefficient by utilizing the unit contribution margin;
单位毛利对标准差系数影响的分析
2.
Based on this result, the relationship between the Gini coefficient of some distribution and the standard deviation coefficient was discussed, also a method for discussing for general distributions function the Gini coefficient was given, i.
作者运用数理统计的手段 ,分析了在经济学中广为应用的描述性曲线 -洛伦茨曲线y =L ( t)的数理实质 ,给出其积分表达式 ,L ( t) =( 1/ Eξ) ∫t0 F-1( u) du,并在此基础上讨论某些分布的吉尼系数与标准差系数的关系 ,同时给出一个讨论一般分布函数的吉尼系数的途径 :将分布函数展成泰勒级
3) coefficient of standard deviation
标准差系数
1.
In the paper,we discuss some questions about indices of characteristic variation in statistics such as standard deviation,simple method of standard deviation and coefficient of standard deviation.
主要讨论统计学中标准差、标准差简捷法和标准差系数等标志变异指标的若干问
2.
The growth rates of the earning per share and the sales have the same coefficient of standard deviation, indicating that the leverage doesn t change the growth rates of the business relative risk.
每股收益和销售量的增长率有相同的标准差系数 ,表明杠杆作用没有改变企业收益增长率的相对风
4) variance of low frequency wavelet coefficients
小波低频系数方差
1.
Utilizing the self-learning and self-adaptive capabilities of CPN and with adaptively changing the length of segment,the relationship between the important characters of audio signals and embedded watermark was learned by using the variance of low frequency wavelet coefficients with strong stability as the input of CPN,to achieve the purpose of embedding watermark.
利用CPN自学习和自适应的特征,通过自适应改变段长的分段算法,选用具有较强稳定性的小波低频系数方差作为输入向量训练CPN,建立音频特征与水印信号的对应关系,以达到嵌入水印的目的。
5) standard deviation of coefficient
系数标准偏差
6) coefficient of variation (stan-dard deviation)
变异系数(标准差)
补充资料:德国国家标准(见德国标准化学会、德国标准体系)
德国国家标准(见德国标准化学会、德国标准体系)
National Standards of Germany: see Deutsches Institut für Normung, DIN;standards system of Germany
Oeguo Guol心日icozhun德国国家标准(Natio.吐S加Ln山切曲of Gen”旧ny)见德国标准化学会;德国标准体系。
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