首先,为了去除测量产生的噪声和误差,引入高斯核函数为每个采样点加权;
To filter out the noise and error arising out of various physical measurement processes and limitations of the acquisition technology, a Gaussian weight is assigned to each point acquired.
理论分析表明,按照抽样对象的不同,存在三种适用范围不同的算法:传递函数抽样法、点扩展函数抽样法和加权函数抽样法。
There exist three sampling methods according to the sampling objects: the transfer function sampling, the point-spread function sampling and the weighting function sampling.
利用率点对模型参数估计的影响强弱,使用一种加权的线性回归模型参数估计算法。
Model parameters are computed using a weighted linear regression technology according to the different impacts of rate point to estimation of model parameters.
针对混沌时间序列的最近邻域预测法,提出了改进的最近邻域点优化选择方法和加权一阶局域线性预测法。
Optimal choice method of the nearest neighboring points and adding weight one-rank local region method is introduced on the nearest neighboring forecasting method of chaotic time series.
最终推出了任意无向加权图K点连通最小扩充的模拟退火算法。
Finally, this paper gave simulated annealing algorithm for K-vertex-connected minimal augmentation on arbitrary undirected weighted graph.
采用网格索引来组织地形数据,利用反距离高程加权平均值算法,提取TIN地形的特征点。
Terrain data is organized by grid, the article adopts height weighted average algorithm of elevation based on grid network, to extract feature point of TIN terrain.
仿真实验表明,基于领域加权平均绝对值误差准则最优层叠滤波器也能在细节保持和滤除噪声方面寻找到比较合适的折衷点。 关键词:层叠滤波器;
Simulated experiments show that optimal stack filters based on neighboring weighted mean absolute criterion can also reach a good tradeoff between noise suppressing and detail preservation.
本文介绍了用近点平均加权法进行网格化处理、追踪等值线以及曲线的光滑等基本原理。
This paper presents a basic principle of making network processing, following the trail of isoline, and smoothing curves by near-point average weighting method.
本文针对混合数据信号的特征,提出一种新的模糊平滑法,沿用加权平均的思想,对信号相邻的点之间进行加权运算。
According to the characteristics of mixed data signals, this paper proposes a new fuzzy smoothing method, which USES weighted mean idea to share the neighboring samples' data value.
本文阐述了一种选取加权矩阵的新方法——零点追加法。
The paper presents a new method for selecting weighted matrixes-zero-point addition.
给出了大加权三角形不等式的一个简单推论,由之简捷地推导出一些新的涉及三角形内部任一点的三元二次型不等式。
This paper presents a simple deduction of an inequality for heavy weighted triangles, and with it some new quadratic inequalities of three variants at any point within a triangle.
该算法针对噪声图像上每一点,应用自适应加权算子,对于不同的图像区域,算子自适应地进行窗口大小和输出像素值的改变。
The adaptive weighting operator is applied to the every point on the noised image, at the same time, it's window size and the corresponding output pixel value adaptively vary with the image area.
常用的点迹融合算法是基于测量数据统计加权的融合算法,其权系数在整个融合过程中固定不变。
The normal plot fusion method needs to calculate weight coefficients from the measurements, and the weight coefficients are constant in data fusion process.
许多人认为移动平均线的作用有限,因为每一个点的数据加权是相同的,没有顺序之分。
Many individuals argue that the usefulness of the SMA is limited because each point in the data series is weighted the same, regardless of where it occurs in the sequence.
采用归一化反距离加权插值法计算纠正后像素点的属性值。
The value of output pixels is calculated by the distance inverse weight method.
利用数据点的密度大小作为权值,借助数据本身的分布特性,提出了一种点密度加权模糊c -均值算法。
A dot density weighted fuzzy C-means algorithm is proposed by using density size of data dot regarded as weighted value and distributing characteristic of datas own.
本文提出了用加权平均值法,求定山区GPS点的高程异常,并提出了两种定权方法。
This paper presents the determination of the elevation anomaly of GPS point in mountainous area, using the method of weighted average values. Also, it gives two methods to determine the weights.
根据本文所证明的理论,抽样指条的极性必须在加权函数过零点处倒相放置。
According to the theory that has been demonstrated, sampled finger polarity must be placed inversely phase wherever the weighting function pass through zero-joints.
根据各特征点对轮廓的贡献,采用弦长加权拟合法对轮廓点进行处理,从而得到轮廓的中心位置。
The points were set different weight for their different effect on the center of the contour in fitting process.
在非线性系统的多个平衡点建立线性模型的基础上,提出了多模型系统的模糊加权控制策略。
This paper presents a multi_model weighted fuzzy control for a set of linear systems which is established by linearization of the nonlinear systems at various equilibrium points.
本文给出了基于极径法球面测量的加权最小二乘估计模型,并依据该模型进行测量采样点布局的优化设计。
This article suggests a model for weighted least squares estimate for spherical surface measurement with polar radius method.
在该程序设计中,宏粒子采用环宏粒子模型,用体积加权模型将每一个宏粒子电量分配到格点上,相对于面积加权模型更加精确。
Ring structure macro particle is distributed on grid by the volume-weighted model method and can be more accurate than face-weighted method.
分析了破损路面图像的像素点区域特征,针对不同区域提出加权邻域滤波和自适加权中值滤波算法。
By analyzing the weighted neighborhood filter and adaptive weighted median filter are proposed in this paper for the differences.
其根据最大输出性能准则,实时自动调整加权向量以实现主波束和方向图零点的优化,通过优化期望用户的主波束、对干扰信号实现零陷提高系统的容量与性能。
It adjusts the weight vectors in order to optimize the main beam and zero sinking of directional pattern real-time and automatically according to maximize exporting criterion.
选取截尾点是截尾序贯验后加权检验很关键的一步,目前理论上尚无有效的选取方法。
It is very important to select a truncating point in the truncated sequential posterior odd test (SPOT), but there is no efficient method to solve the problem up to now.
为了减小定位误差和提高算法的适应性,利用三维空间抽样和范围约束的方法,并结合对成功样本点的加权筛选,获得节点的三维估计坐标以实现抽样定位。
Combined with weighted filtration to successful sample points, it uses the method of sampling in three-dimensional space and range constraint to acquire three-dimensional coordinates of nodes.
许多人认为移动平均线的作用有限,因为每一个点的数据加权是相同的,没有顺序之分。
By looking at the calculation of the EMA, you will notice that more emphasis is placed on the recent data points, making it a type of weighted average.
为此,我们又提出了改进的TF I算法(MTFI),它采用的是周围三个邻近点的加权平均而非四个。
For this reason, we then propose the modified TFI (MTFI), which employs the three nearest neighbours of the unknown pixel rather than four.
通过对属性的加权处理能够更有效地突出重点属性的重要性,使得对于检测出的离群点能够更容易的解释。
By weighted the attributes, which can show the important attributes effectively and make it easy to explain the outliers detected.
第一种方法基于加权近邻搜索,在不规则光幻视点阵列中找出距规则阵列中目标点最近点;
One method was to generate phosphene closest to the target point in regular arrays using weighted nearest neighbor search.
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