1) geometry average generating
几何平均生成
1.
Guided by the theory of grey system,a digital prediction model is establishedemploying geometry average generating method in the processing of initial data,re-sulting in the improved accuracy of the model.
本文应用灰色系统理论建立了数据预测模型；采用几何平均生成法对原始数据序列进行了处理，从而使预测模型的精度得到了提高。
2) geometric average
几何平均
1.
Pricing of geometric average Asian options under time-dependent parameters;
依赖时间参数下几何平均亚式期权的定价
2.
The comparison between continuos random variables and power function distribution and some strong limit theorems of geometric average;
随机变量序列几何平均的一个强极限定理
3.
The pricing formulas of default geometric average asian option with stochastic liabilities;
债务随机时的有信用风险几何平均亚式期权的定价公式
3) geometric means
几何平均
1.
Properties of weighted geometric means combination forecasting model based on L_1 norm;
基于L_1范数的加权几何平均组合预测模型的性质
2.
Weighted geometric means combination forecasting method based on L_1 norm;
基于L_1范数的加权几何平均组合预测方法
4) geometric mean
几何平均
1.
On a mixed arithmetic-geometric mean inequality;
关于混合算术平均-几何平均不等式
2.
Two-stage BCC model for cooperative efficiency evaluation using a geometric mean method;
基于BCC模型的几何平均最优意义下的两阶段合作效率
3.
For multi-component signals,Wigner distribution(WD) is well energy-concentrated but holds cross-terms,while spectrogram,the magnitude-squared STFT,has no cross-terms but bad energy-concentration,thus a time-frequency representation based on geometric mean of WD and Spectrogram(GMWS),which is simple and easy to be realized,was introduced to integrate both advantages.
对于多分量信号,Wigner分布的时频能量集中但存在交叉项,而由短时傅立叶变换模的平方得到的谱图无交叉项但时频聚集性较差,因而引入Wigner分布与谱图几何平均这种思想简单且易于实现的时频表示综合了二者的优势。
5) geometric mean
几何平均数
1.
The practical usage of weighted mean in cotton had been expounded through calculated method of circular cone position in cotton bolls and mean of boll weight,and the practical usage of geometric mean,the growth per cent of plant height a day had been expounded through analysing exponential increasing phase of plant height in cotton.
以棉株结铃的平均圆锥体部位、平均铃重的计算方法 ,阐明了加权平均法在棉花上的实际应用及注意事项 ;通过对棉花株高指数增长阶段的分析 ,阐明了棉花株高日生长率作为几何平均数的实际应
6) spectral geometric mean
谱几何平均
1.
In 1997,Fiedler and Pta k introduced spectral geometric mean F(A,B)of positive definite matrixes,and discuss its properties.
1997年Fiedler和Ptak定义和研究了正定矩阵间的谱几何平均F(A,B),并给出了相关性质。
2.
The spectral geometric mean f(a,b) of two positive definite elements a and b in a C algebra is introduced.
引入并研究了Ｃ＊－代数中两个正定元ａ与ｂ的谱几何平均ｆ（ａ，ｂ），给出了ｆ（ａ，ｂ）的各种表达形式和它的一系列重要性质。
补充资料：几何平均数
| 几何平均数 geometric mean n个正数乘积的n次算术根。给定n个正数 a1，a2，…，an，其几何平均数为  。特别是,两个正数a，b的几何平均数c＝ 是a与b的比例中项。任意n个正数a1，a2 ，…，an的几何平均数不大于这n个数的算术平均数，即 ≤ （a1＋a2＋…＋an） 。这个不等式在研究其他不等式或极值等问题时常起特殊作用。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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