采用最小距离方法逐步聚类分析,对理水调洪型植被群落分为高功能理水调洪型、一般功能理水调洪型、低功能理水调洪型、功能退化型4个等级。
The clustering analysis of least distance method was applied, the results showed that types of the phytocoenosium are 4: high function, commonly function, low function and degenerative function type.
计算从每个数据样例到群集中心(我们随意选中的数据行)的距离,使用距离计算的最小平方法。
Compute the distance from each data sample to the cluster center (our randomly selected data row), using the least-squares method of distance calculation.
基于最小分辨对比度准则,研究了天空背景下红外点目标的最大探测距离估计方法。
This paper investigates the approach to estimate the maximum detection range of an infrared point_target against sky background based on the minimum resolved contrast(MRC)criteria.
所用方法是图像处理分类技术中的最小距离分类方法。
By means of the minimum distance classification of digital image processing, the results obtained are satisfactory.
可以证明,这种识别方法是符合最小距离原则的。
It is proved that this recognition method coincides with the minimum distance recognition criterion.
本文介绍了利用最小有向距离原理计算刀位轨迹的方法。
A method of using the principle of minimal orientation-distance to calculate cutter-trace is introduced in this thesis.
论文提出了基于图像多路正交投影和最小距离分类器的人脸识别方法。
This paper proposes an image multi-orthogonal projection method for face recognition based on least class distance classifier.
计算了不同情况下需要进行目标运动补偿的最小速度变化单元,讨论了距离率补偿的方法。
The minimum target velocity needed to compensate is computed , and the range rate compensation method is dis-cussed.
提出一种结合网格模板和最小欧式距离准则的图像自动拼接方法。
A new method of the color image Mosaic is presented based on the net template and the least Euclidean distance criteria.
对群组判断矩阵提出一种新的最小最大几何距离排序方法(MGDM)。
This paper proposes a new minimax geometric distance priority method used for group-AHP (MGDM).
提出命名为加权最小距离的多转运交易模式下转运成本分摊方案,该方法是在最优潮流基础上对转运成本在多个转运交易中进行公平合理地分摊。
A method based on results of optimal power flow, weighted least distance, is presented for the rational allocation of wheeling cost in the multi-wheeling transaction.
该技术通过平移实物参考面,测得其上位相分布,利用其位移距离与位相增量之间的关系,以最小二乘方法计算位相差与物面深度之间的映射关系。
According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
对基于最小几何距离的加权调和平均组合预测模型的性质进行了研究,从理论上说明了该种方法的有效性。
We study the properties of harmonic means combination forecasting method based on minimizing geometric distance to demonstrate the effectiveness of this method theoretically.
通过对矩方法的进一步分析,提出基于目标质心与目标上各点间距离之和取得最小值这一特性的质心快速搜索策略。
This paper presents a new fast algorithm by analyzing the moment method, which is based on the character that the sum of distances between centroid and other points is the minimum.
该方法采用螺旋读入及螺旋读出的规则映射,获得较大的码字最小距离,改善了码字距离谱,提高了译码性能。
It improves decoding performance by adopting helical reading and helical readout to get the possibly big minimal-codeword-distance and improve the codeword distance spectrum.
理论分析和应用实例表明,几何距离最小二乘方法同样也是一种比较有效的参数估计方法。
Theoretical analyses and applications all show that the geometric distance least square method is also a good and effective parameter estimation method.
提出一种基于最小概率距离和改进部分体积(PV)插值的图像配准方法。
This paper presents a new image registration method based on minimal probability distance and improved Partial Volume(PV) interpolation.
首先基于差分图像和肤色信息检测出人脸,其次使用改进的奇异值分解方法提取面部特征,最后运用最小距离分类器进行识别。
First based on the difference image and the skin color the face is detected and localized, then features are extracted by using improved SVD, last the features is classified by minimal distance.
最后介绍一种基于切面距离变换最小化的数据结构,这种变换产生的算法比以前描述的方法速度快而且鲁棒性强。
Finally it introduces a data structure for the minimization based on the chamfer distance transform which yields an algorithm that is both faster and more robust than previously described methods.
提出一种基于输入集分类函数的新的距离度量方法,它与前传回归的正交最小二乘法相结合,不仅可以学习分类超平面的参数,而且可以选择重要的输入节点。
Combining the new measure with the forward regression orthogonal least square (OLS), not only the parameters of the classification hyperplane, but also the important input nodes can be obtaind.
本文引进最小距离域定义,得到了确定最小距离域的计算方法。
In this paper, the least distance domain is defined and the method of computing the least distance domain is obtained.
采用平均最小自由欧氏距离估计误比特率,得到误比特率的封闭式表示,通过计算机模拟,在高信噪比情况下,这种估计方法与实际情况非常接近。
The bit error probability is estimated by the minimum average Euclidean distance. Through simulation, it is shown that the estimation is usually very accurate at high signal-to-noise ratio.
设计了一个二级组合分类器,该分类器综合使用了最小距离和BP神经网络两种模式识别方法。
A combined classifier is designed. There are two recognition ways used in the classifier. They are the least distance pattern recognition method and the BP neural network pattern recognition method.
论文利用现有相对成熟的GIS技术方法最小邻近距离法和成本加权距离法探讨城市公园的可达性。
The paper use existing relatively mature GIS computing technique smallest neighbor discusses the metropolitan park from the law and the cost weighting from the law the accessibility.
为了提高最小距离分类器的分类性能,主要的改进方法是选择更有效的距离度量。
To improve its classification performance, the main methods were selecting the more effective distance measure.
介绍一种传感器特性曲线自动拟合法 ,这种方法是以每一点校准数据到拟合直线的竖直距离的绝对值最小为原则。
It is based on the principle that the erect distances absolute value between the adjust data and the fitting beeline is minimal.
当压力、包围角和滚筒半径在某一范围内变化时,以临界曲面的方法寻找曲面上与坐标原点距离最小的点,以此点作为理论上的防滑移设计最优方案。
When these factors vary in some range, the method of the critical curved surface can be used to find the critical point which has the shortest…
在编码理论研究上,针对BCH最小码字距离提出基于迭代和随机方法的搜索算法。
Meanwhile, a theoretic study on the minimum distance of linear codes is made with a probabilistic algorithm given.
提出了一种基于类内类间离散度的最小距离分类器设计方法。
Minimum distance classifier based on between-class and within-class scatter is proposed.
该方法的近距离标定精度比高斯最小二乘法高,具有工程实用意义。
Using this method, we can obtain higher calibration accuracy than using Gauss least-square method when calibrating close range, which is very practical in engineering.
应用推荐