查询词典 polynomial distribution

The objective of this paper is to evaluate various spatial interpolation methods, including ordinary Kriging, simple Kriging, lognormal Kriging, universal Kriging, disjunctive Kriging and inverse distance weighting interpolation for estimating soil surface Hg content with lognormal distribution, the linear and second-order polynomial trend, and t...

以分布类型为对数正态分布，同时具有一阶和二阶趋势效应的土壤重金属Hg为例，分别应用普通克立格法，简单克立格法，对数正态克立格法，泛克立格法，析取克立格法和距离反比权重法等 6种内插方法对其进行了估值，综合比较了各种内插方法的预测误差、统计特征值及插值结果分布图。

In this dissertation, we mainly focus on the computation of Jones polynomial and some its related polynomials of links in knot theory and analyze the distribution of their zeros.

本论文主要研究扭结理论中链环的Jones多项式和一些相关多项式的计算以及Jones多项式的根的分布，使用的方法基本上是组合方法。

After building big data storage structure and constructing decimal code array, an algorithm for high-accuracy value of two-dimensional normal distribution is built through using Laguerre Polynomial expansion, and accelerating operation with Compound Simpson formula, Compound Cotes formula and Romberg formula.

以数组作为大数存储结构，解决受到计算机字节长度制约无法实现高精度运算的问题；并引入复化辛普森公式、复化柯特斯公式和龙贝格公式加速收敛，最终得到所需要的结果。

In charpter 3, we study the value distribution of differential polynomial of meromorphic functions, which generalize the related results due to Liu , Pang and et.

在第三章，我们得到了亚纯函数值分布的一些结果，改进了刘晓俊和庞学诚等人的有关结果。

Meromorphic function, value distribution,normal families, differential polynomial, multiplicity

亚纯函数，值分布，正规族，微分多项式，重级

Analysis of the feature and geometry of the normal compaction trend is used to establish the compaction trend with polynomial of degree 2 or 3 or polygonal line, and to predict the distribution of geopressure using the method of seismic transit time deviation -pore pressure gradient in Yinggehai bas.

研究了压力预测的方法，推导地震声波时差差值—压力梯度法的计算公式并指出它的优点是能够充分利用已知的钻井实测压力资料；从理论上分析了正常压实趋势线的性质和形态，并用2~3次多项式和分段函数建立正常压实趋势线；根据莺歌海盆地高温高压及沉积速率高、泥底辟发育的特征，建立合理的压实趋势线，并用声波时差差值—压力梯度法预测了莺歌海盆地的压力分布。

In the proposed method,properly spaced background sample pixels are automatically picked up from the image,and then they are used in polynomial fitting for obtaining distribution characteristic of background light.

这种方法假设同类物体具有类似的特征，在灰度图像中是亮度，在彩色图像中则为物体的颜色。

In order to improve the frequency resolution, realize high precision frequency estimation, this thesis proposes the high resolution polynomial Wigner-Ville distribution using Chirp-Z transform, the validity of this algorithm is verified using synthesized data.

为了提高基于FFT的谱分析算法的分辨率，实现高精度的频率估计，提出了利用Chirp-Z变换的频率高分辨多项式Wigner-ville分布，并用合成的仿真数据，验证了上述算法的有效性和正确性。

We also use linear and polynomial fit to analyze their distribution trends and differences among chromosomes and among different kinds of sequences.

果蝇染色体参数X值是由D1和D2值共同决定的，但果蝇染色体的编码序列参数X分内含子序列相比，分布没有趋同性。

It proposes an approach which is suited to the frequency estimation of the moving target in the air. It is based on the extraction of the peak of polynomial Wigner-Ville distribution, data driven window width adaptive adjustment, can meet the demand of location precision.

提出了适合于空中运动目标的瞬时频率估计的工程实现算法，即利用多项式Wigner-Ville分布的峰值提取瞬时频率，并通过数据驱动的自适应算法调整窗宽，以达到定距精度对频率估计提出的精度要求。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。