1) biased support vector machine
有偏SVM
1.
In this paper, we introduce biased support vector machine (BSVM)-based relevance feedback into content-based sketch retrieval.
引入基于有偏SVM的学习机制,提出了一种面向草图检索的相关反馈方法·该方法以草图的全局和结构内容表示与匹配为基础,采用基于有偏SVM学习机制实现相关反馈,可有效地捕捉用户的查询兴趣,改善检索性能·最后通过实例验证了该方法的有效性
2) support vector machine(SVM)
SVM
1.
Based on the improved dynamic independent component analysis(ICA) and the support vector machine(SVM),a modeling method for the prediction of silicon content in blast furnace hot metal is proposed in this paper.
提出了一种基于改进的动态独立分量分析(independent component analysis,ICA)和支持向量机(support vector machine,SVM)的高炉铁水硅含量预报模型建模方法。
2.
In this paper,an improved K-means clustering algorithm is applied in the training of Support Vector Machine(SVM).
将一种改进的K均值聚类算法应用于支持矢量机(SVM)的训练。
3.
For the vibration signals of aero—engine,a fault diagnosis method based on independent component analysis(ICA) and support vector machine(SVM) is proposed.
针对航空发动机的振动信号,提出了特征基函数ICA提取和SVM相结合的航空发动机故障诊断方法。
3) support vector machine
SVM
1.
In this paper, we introduced an efficient method to determine the optical properties of the two-layer medium from the steady-state spatially resolved diffuse reflectance, which is based on the theory of support vector machine (SVM).
本文在组织参数测量领域引入数据挖掘办法——支持向量机(support vector machines,SVM),对双层模型中四个待定组织光学参数的确定进行了研究。
2.
This paper presents support vector machines(SVM),a new neural network algorithm,to predict bus arrival time.
采用一种新颖的神经网络-支持向量机(SVM),来预测公交车的到站时间,其目的是要验证SVM在运行时间预测领域的可行性。
3.
With structural risk minimization principles,support vector machine(SVM) has excellent generalization ability,good forecasting accuracy and robustness.
SVM采用结构风险最优化准则,预示推广能力强并有很好的鲁棒性。
4) valid deviation
有效偏差
1.
It is considered that the occurrence of accidents in gas station contributes to the existence of hazards and the imperfection of control measures on the one hand, and also to the valid deviation and deviation transfer of system node parameters (such as flow rate, pressure and temperature ) of the process flow on the other hand.
论述加油站系统单元划分方法,研究加油站工艺过程,认为事故发生的原因一方面是由于系统各单元危险源的存在和控制措施的不完善,另一方面是由于工艺过程系统节点参数(流量、压力、温度等)发生有效偏差和偏差的传递造成的。
5) biased estimation
有偏估计
1.
Study on the Restricted Biased Estimation in the Linear Model;
线性模型中的约束型有偏估计的研究
2.
iscusses the problem of linear biased estimation of the parent mean.
本文讨论母体均值的线性有偏估计问题，给出了在均方误差意义下线性有偏估计优于样本均值的充要条件。
3.
To linear regression models Y=Xβ+ε,E(ε)=0,Cov(ε)=σ2V,V>0,the necessary and sufficient condition that biased estimation β*h=(XTV-1X+hI)-1(XTV-1Y+β*) is an admissible estimation is obtained and β*h condition that is superior to ridge estimation is also given.
对于线性回归模型Y=Xβ+,εE(ε)=0,Cov(ε)=σ2V,V>0,给出了回归系数的有偏估计βh*=(XTV-1X+hI)-1(XTV-1Y+β*)(h>0)优于岭估计的条件以及在二次损失下可容许的充要条件。
6) active decoying
有源诱偏
1.
To overcome the shortcomings of the traditional active decoying theory confronting an ARM(Anti-Radiation Missile),the monopulse angle is utilized tracking principles to deduce in the Cartesian coordinate system the bias angle formulas due to multiple sources.
针对反辐射导弹(ARM)传统有源诱偏理论的不足,从单脉冲雷达跟踪合成波阵面法线方向的理论出发,对多个辐射源的诱偏公式在三维空间中作了推导,对多目标影响建立了较通用的干扰模型并分析得到该模型具有当只有一个干扰源时,诱偏方位角偏差跟目标干扰源方位角之差有关的特点,同时诱偏仰角偏差也有类似的特点。
补充资料：有偏估计
分子式：
CAS号：
性质：由样本值求得的估计值与待估参数的真值之间有系统误差，其期望值不是待估参数的真值。这种估计称为有偏估计。
CAS号：
性质：由样本值求得的估计值与待估参数的真值之间有系统误差，其期望值不是待估参数的真值。这种估计称为有偏估计。
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