The sum of absolute value of Hermite polynomials coefficient and its properties 埃尔米特多项式系数的绝对值和及其性质
The study shows that the absolute value of prompt negative temperature coefficient decreases observably along with the increasing of weight percentage of uranium. 研究表明:随着铀质量比的增加,铀氢锆燃料堆芯的瞬发负温度系数的绝对值显著减小;
The technologic gap absolute coefficient and the relative coefficient is put forward. 提出度量企业间技术差距的技术绝对差异度与技术相对差异度。
Three parameters can be determined through the optimization of the absolute value of the linear regression coefficient, and this can be achieved by the secant method. 通过线性拟合相关系数的最优化来确定其中三个系数,采用割线法进行最优化求解。
Because of the great disturbance of boiler burning system, on the spot, we don't find absolute excess air coefficient but its optimum interval. 由于锅炉燃烧系统的扰动较大,我们实际寻取的是相对的最佳过量空气系数,更为重要的是找到最佳过量空气系数区间。
The method can be used in modeling with both non-equal intervals and equal intervals and breaks the restricted zone of GM ( 1,1) with large absolute value of the development coefficient, thus improving the accuracy ol modeling. 该模型不仅适合于等间距建模,也适合于非等间距建模,且突破了发展系数的绝对值较大时,不能用GM(1,1)模型的禁区,提高了建模的精度。
The individual absolute fecundity was negatively correlative to maturity coefficient and had no obvious relationship with condition factor. 个体绝对生殖力与体长、净体重、卵巢重呈直线相关,与肥满度负相关,与成熟系数相关关系不显著;
According to absolute value of coefficient, the 6 components were classified separately as food factor, vegetation factor, disturbance factor, sheltering class factor, geography factor and fallen logs factor. 根据载荷系数绝对值大小将原麝夏季生境选择影响因子分别命名为食物因子、植被因子、干扰因子、隐蔽度因子、地理因子和倒木因子。
The result indicates that, under the same condition of vegetation density and arrangement, when F is smaller than 12.2371, the vegetation behaves absolute erectness and the vegetation roughness coefficient and drag coefficient have no relation with F. 试验结果表明,淹没植被在植被密度和排列方式相同的情况下,若植被抗弯指数F值小于12.2371,植被呈完全刚性,植被糙率系数和阻力系数与F值无关。
And it decreases also with the increase of absolute value of the initial pulse chirp coefficient, but has no relation with the sign of chirping coefficient. 系统的输出信号的偏振度还随着信号原始啁啾系数绝对值的增大而减小,但与啁啾系数的符号无关。
In comparison with BP method and RBF method, the SVM method is proved to be the best in terms of absolute error 、 relative error 、 correlation coefficient and variance. 模拟结果与BP网络方法、RBF网络方法相比,在绝对误差、相对误差、相关系数以及数据方差方面都是较优的。
The numerical results show that the probability distribution functions of the travel times of the first and second pulses are determined by the absolute value of the elevation-slope correlation coefficient; 数值结果表明:第1个和第2个返回脉冲传播时间的概率分布跟界面高度-斜率相关系数的绝对值有关;
The absolute value of barometric coefficient is biggest when the level of solar activities is highest. 太阳活动最高的年,气压修正系数的绝对值最大。
This method overcomes the difficult and unrealizable experiment conditions that are used to measure the absolute attenuation coefficient and impels the technique of ultrasonic characterization to be more closed to the engineering requirements and more practical. 该方法克服了绝对衰减系数测定法对实验条件要求极为苛刻、难以实现的不足,使得超声表征技术更接近工程条件、更具实用价值。
However, elastic potential energy is only decided by absolute elongation of springs in series and their coefficient of stiffness. 系统的弹性势能由n个串联弹簧的等效劲度系数和串联弹簧的总伸长量决定。
Those were dominant genetic correlation between CRE, CRL and HRL and similar negatively dominant genetic correlation between CRE, HRL and GL. In addition, both of their absolute correlation coefficient values were larger than that between CRE and CRL. CRL、HRL与CRE之间主要表现为显性遗传相关,HRL、GL与CRE的显性遗传负相关性相近,显性相关系数均大于CRL;
The mathematical models of the relationship of reservoir absolute permeability coefficient and electronic double layer thickness under the impressed DC electric field are established. 建立了外加直流电场作用下储层绝对渗透率因数与双电层厚度的数学模型,其定性结论与实验结果相符。
Accordance with the "diverging phenomenon", which is the fact that specialization coefficient of major farm products is diverging from its comparative ( or absolute) advantage coefficient, the concept of the sustainable development of agricultural regional division was posed out and its mechanism was analyzed also. 针对我国西北地区在农业生产力的布局和专业化生产方向上存在不符合比较优势的“背离现象”,提出了农业区域分工可持续发展的概念,并分析了农业区域分工可持续发展的内在机理。
The absolute value of direct path coefficient of morphological index to lodging index was in the sequence of fresh weight per culm, breaking strength, plant height; minimal culm diameter and length of second internode from the top. 各形态指标对倒伏指数的直接通径系数的绝对值依次为单茎鲜重>挫折强度>株高>短轴直径>倒2节间长度。
Experimental results indicate that the effective absolute permeability coefficient increases greatly with the electric field strength increase in the low permeable natural core, but increase slowly in the high permeable natural core. 对于低渗透天然岩心,其有效绝对渗透率因数随电场强度增大而单调递增,且其值很大,而高渗透天然岩心的有效绝对渗透率因数提高的幅度较小。
First, a standard template is computed by the gradient orientation of the window center, then, edge confidence is the absolute value of the correlation coefficient between the normalized data and the template. 首先,由中心象素的梯度方向确定标准模板,然后将归一化的数据矢量和标准模板的相关系数的绝对值定义为边缘置信度。
The relevant properties about the sum of absolute of the Bernoulli polynomials are studied by using the properties of the Bernoulli polynomials. Then some formula and some identities of the sum of absolute value of Bernoulli polynomials coefficient are obtained. 利用Bernoulli多项式的性质,研究了多项式系数的绝对值和的有关性质,得到了关于Bernoulli多项式系数绝对值和的表达式及一些恒等式。
Based on several classic scene change detection methods, a method by estimating the absolute sum of DCT coefficient to determine where scene change happens is proposed. 同时提出了一种利用DCT系数绝对值和,进行场景切换检测的方法并进行实验。
Most of the likeness coefficients of various mountains decrease with the increase of the absolute latitude difference, which indicates that the larger the absolute latitude difference, the smaller the likeness coefficient. 各山的相似性系数大部分是随着纬度差绝度值的增大而减小,这说明纬度相差越大,相似性系数越小。
The analysis results show that the undercut would not generate in the course of sprocket processing as the absolute value of the unique modification coefficient is smaller than that of the minimal modification coefficient. 研究发现,当新型链轮唯一变位系数的绝对值小于最小变位系数的绝对值时,新型链轮加工时不会产生根切。
From the absolute value of the coefficient, the inhibitory effect on earnings management of internal audit is still relatively weak, which reveals that the corporate governance effect of internal audit has not been brought into full play and overall strength of internal auditing has to be raised. 从相关系数绝对值上来看,内部审计对盈余管理的抑制作用还比较弱,说明内部审计的公司治理效应并没有被充分发挥出来,内部审计的整体实力还有待提高。
In band-pass directional sub-band coefficients fusion rules, we use local energy and the weighted average combination, meanwhile for the larger selection of absolute value of the coefficient are applied in the highest levels. 高频子带采用局部能量与加权平均相结合,同时对最高层系数采用绝对值较大的系数选择方法。
It is find that the specialization coefficient of major farm products is diverging from its comparative ( or absolute) advantage coefficient, which we called as diverging phenomenon. 经过对比主要农产品的专业化系数和比较(绝对)优势系数,发现西北地区农产品专业化水平的变动存在着与比较优势相背离的现象。
Combination with the characteristics of sEMG, we proposed two methods, which are the most absolute value of high frequency wavelet coefficient and the joint of wavelet coefficients and the largest lyapunov index. 结合表面肌电信号的特点,提出了小波高频系数的最大绝对值和小波系数与最大利亚普诺夫指数联合特征值两种特征提取方法。