1) Fisher distance
Fisher距离
1.
The technique is based on a time-frequency analysis of EEG signals,regarding the relations between the EEG data obtained from the C3/C4 electrodes;the features were reduced according the Fisher distance.
基于脑电信号的时频域分析,结合C3、C4电极脑电信号间的相互关系,依据Fisher距离进行特征抽取,运用线性分类器进行分类。
2.
First,this paper uses an ameliorated mean shift method to gain local minimums,namely the cluster centers,with the bandwidths and weights acquired on the basis of a better self-adaptive principle according to global information,thereby making the algorithm more applicable;then,the over-segmentation of texture and uneven illumination caused is settled by region merging based on fisher distance.
该算法先由改进的均值漂移(Meanshift)算法求取各局部极值(聚类中心),并利用全局信息,改进了现有的带宽求取和权重设置自适应法则;针对均值漂移带来的纹理和光影的过分割,使用改进的fisher距离进行区域合并,取散度作为停止度量。
2) Fisher information distance
Fisher信息距离
1.
We introduce the Fisher information distances,and give the theorem about convergence of Fisher information,and discuss the theorem about convergence of Fisher information application.
引入了Fisher信息距离,给出了Fisher信息的收敛性定理并讨论了它的应用,在二阶矩条件下证明了Fisher信息的收敛性。
3) fisher class separability measure
Fisher类可分离度
4) distance
[英]['dɪstəns] [美]['dɪstəns]
距离
1.
Effect of Distance between Clamp and Cutting Notch on Plywood Bond Strength Testing;
夹具与槽口距离对胶合板强度测定结果的影响
2.
Measurement of the distance between uretero and uterine neck in the condition of enlargement of uterine neck;
子宫颈增大状态下输尿管与子宫颈间距离的测量
3.
Study on the Correlation of Distance and Angle with the Image of Laryngostroboscope;
测量距离和角度与喉动态镜图像关系的实验研究
5) Range
[英][reɪndʒ] [美][rendʒ]
距离
1.
Joint frequency、direction of arrival and range estimation for near-field sources;
近场源频率、波达方向和距离的联合估计方法
2.
The speed of moving-target was measured based on the principle of PD frequency shift,and the range of moving-target on the pulse-echo principle.
利用多普勒频移原理实现了运动目标速度测量,利用脉冲回波测距原理实现运动目标距离测量。
3.
For the accuracy of range information is higher than that of azimuth information received by networking radar system,three-dimension target location based on range only is proposed by using the linear least square iteration algorithm.
在雷达组网背景下,针对雷达测量距离精度较高,测量方位精度较低的特点,利用组网雷达的距离信息,采用线性最小二乘迭代算法对目标三维定位进行了分析,并就迭代初始值给出了一种解决方法,不仅可以避免迭代结果的发散,而且可以提高线性最小二乘迭代算法的收敛速度。
6) metric
[英]['metrɪk] [美]['mɛtrɪk]
距离
1.
The metric and closure operator are defined,a unique topology space on is obtained.
在集合〔F〕上定义距离p及闭包运算C*,则在〔F〕上存在唯一的一个拓扑T使得在拓扑空间(〔F〕,T)中,对任意的集合Γ〔F〕都有C*(Γ)=Γ。
2.
This thesis, according to the 10-year-long lectures on the theory of metric space in different courses, summaries a few points , which should be paid attention to, on how to well explain the concepts of metric and metric space.
通过十多年来在不同课程中讲解距离空间的理论,总结出要讲解好“距离”、“距离空间”的概念应注意的几个方面的问题。
补充资料：Cornish-Fisher展开
Cornish-Fisher展开
Cornish - Fisher expansion
C仪nish一Fi劝er展开!C.mi劝一Fisher exl倒圈I佣;】心甲-“。tua一中”.ePa Pa300欲二e」 一个(接近标准正态)分布的分位数用标准正态分布的相应分位数按一小参数的幂的渐近展开.它曾由E.A.Cornish和R .A.曰sher(【l〕)加以研究.如果F恤，门是依赖于参数t的分布函数，小(劝是具有参数(01)的标准正态分布函数，且当t，O时F(x，t)一中(劝，那么，在对川x，t)施加某些假定下，函数义=F‘I。(:).t](F一‘为石的反函数)的cornish一Fishe:展开有如下形式: ”刁~{ 、一、芝狱:)t‘()(，”’)，‘1、 1万l其中S(约是:的多项式.类似地，可以定义函数:一中’〔F伙，t)](。’为巾的反函数)依t的幂的comish-Fisher展开: /:艺e(二丫十()(l”).(2) J{其中Q(川是弋的多项式.公式(2)是由展开。一’为关f点巾(劝的Tayl伽级数，再用Ed罗worth展开式而得到的，公式(l)则是(2)的反演 如果X是有分布函数F行，匀的随机变量，则变量Z二Z困二小’{F(X，日l有标准正态分布，且从(扮式可推出，当t，O时，中扛)逼近变量 _”王: z二、十艺口(x、“ r专的分布函数，优于它逼近F(x、。).如果X有零期望与单位方差，则展开式(l)的头几项有如下形式 、二:一l下!h!忙)]一}y:h:(:)+才h，仁月平一其中;1二、:心一2，:2一、4/、;.、为X的r阶半不变量，”l阁一含HZ。)，“2阁一女11:侧，“。阁一六·[2H，今)十HI(朔，而月:仓)是1女rmite多项式，它们由如下关系定义_ 叫:)H;{:)一、一叮兰些土(叫:)二一如:)) 山厂有关服从Pearson分布族极限律的随机变量的展开，可见{3}亦见随机变量变换(raTzdom varlables，trans-follnations of).[补注1关于利用Ed罗worth展开(亦见砚gewo曲级数(Ed罗做，rth series))获得否2)的方法，亦见IAI].
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条