查询词典 arithmetic geometric mean

After emulational operation, we can conclude that the precision of arithmetic Based on Comparing the Frame's Spectrums is higher than other refocusing arithmetic and have the advantages of good ability to resist noise, good robust, small calculation.

经过几组图像的仿真运算，结果表明，基于图像频谱的时域比较的调焦算法精度高于现有的常用调焦算法，且具有抗噪声能力强，鲁棒性好，计算量小等优点。

From the point of 3D scene imaging, comparing to the primary arithmetic, the result obtained from the improved arithmetic can preserve higher similarity with original models and has better display quality.

从三维成像效果上看，与普通二次型度量简化方法相比，改进算法得到的结果在外观显示上与原始模型能保持更高的相似性，有较好的显示质量。

Conventional video compression algorithms have higher compressibility, but the output code stream still needs recoding. A selfadapting arithmetic encoder was required in practical application to produce a final code stream, which can eliminate redundancy in binary code stream to obtain higher encode efficiency. QM arithmetic encoder is a high efficiency encoder designed for the simplicity and speed.

传统的图像压缩算法有较高的压缩码率，但生成的码流仍需要再次编码，实际使用中需要通过一个自适应的算术编码器才能生成最终的码流，以消除二进制码流中的冗余，得到更高的编码效率。

The global arithmetic and rotationally periodic arithmetic with high efficiency are all implemented in the programs.

在软件中分别实现了整体算法和高效的旋转周期算法。

Some literatures reported iron bioavailability in geometric mean and standard mean error.

鉴于部分文献所报告的铁的生物利用率是以几何平均数及标准误的形式，为便于比较，本文也将结果进行了转换。

Using the matrix geometric method we get the probability distribution of the number of customers, the mean number of customers and the mean sojourn time of a customer in the steady-state.

用矩阵几何解的方法得到了稳态分布，平均队长以及平均逗留时间的表达式。

Results of estimation of effective parameters in heterogeneous show that: i Seff and Teff values evolve with time, as well as the principal directions of the transmissivity; ii Seff approaches the arithmetical mean of the field; iii Teff converges to its geometric mean at large time for the Gaussian random field we generated; and iv the averages of local T and S values within the cone of depression at early times differ from the Teff and Seff values.

研究结果在空间异质性孔隙介质有效参数的推估方法方面，显示利用传统抽水试验分析来估计有效参数时，从长时间的抽水试验分析所得的流通系数代表在抽水井有效半径内所有流通系数的某种平均值；此平均值与抽水井及观测井附近的地质有很大的关系，而且可能受到有效半径内地质异质性的影响，而储蓄系数的估计值变异很大与抽水井与观测井间地质的储蓄系数特性有关，特别是观测井的位置。

The object of projectile design is analyzed, and the layer-TOPSIS method is provided for the evaluation of total effectiveness by taking the layer concept into the TOPSIS method. In the calculation of object weights, the grade calculation method is suggested, which has less dependence on the subjectivity of decision-maker and can take account of both sensitivity and allowableness of objects, the geometric-arithmetic method is provided for grade weight calculation and methods for sensitive weight and allowable weight are given. Of modes in system analyzing, the penetration model of target with spherical-fragment is carried out based on the theory of Dynamic Spherical Cavity Expansion, and it is a supplement of the models for calculation the damage of the fragmentation warhead to target.

对弹丸设计进行了目标分析；通过在TOPSIS方法中引入层次结构的概念，提出了适用于弹丸总体效能评价的层次TOPSIS评价方法；在指标权重计算中，提出了对决策者主观依赖较少的能反映指标的敏感性和相容性的分级权重计算方法；在分级权重计算中，分别给出了等比-等差权值计算方法和敏感-相容权值计算方法；在系统分析的模型中，对破片战斗部的威力计算中的模型进行了补充，在空穴膨胀理论的基础上提出了球形破片侵彻有限厚靶板的侵彻计算模型。

Arithmetic progression: starting from the second, an increase each by the former posed a constant sequence, such as the odd-numbered 1,3,5,7 ... geometric progression: from the second onwards, each of which is th power of the number of previous ...

算术级数：从第二项起，每一项均由前一项加一个常数所构成的序列，如奇数1，3，5，7…几何级数：从第二项起，每一项是前一项的多少次方。。。

This paper intends to apply three mathematic progressions, namely arithmetic progression, Fibonacci progression and geometric progression to arrange the numbers into several groups by certain rules.

本文用三个数学级数即算术级数、斐波那契级数、几何级数，按一定的规则排列成一组数，根据每一组数的排列关系，反映人类资源供给与需求增长的级数关系。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。