minimum variance
[数] 最小方差
2026-01-10 16:34 浏览次数 12
[数] 最小方差
minimum m variance estimation最小方差估计
minimum sampling variance最小取样方差
the minimum interclass variance最小类内方差
minimum average variance最小化均方差
minimum-variance risk最小方差风险
minimum asymptotic variance[数]
minimum interclass variance最小类内方差
minimum estimation variance最小估计方差
minimum m variance最小方差
the assumption that investors are absolute risk aversion, its value is designed to minimize the risks, which can be minimum variance under the hedging rate.
假定投资者是绝对的风险厌恶者,其保值的目的是为了将风险最小化,由此可以得到最小方差下的套期保值比率。
employing the minimum variance model, the paper analyses the four main indexes in mainland china.
本文运用最小方差模型,对中国现有四个主要指数进行实证分析。
a switching function with integral property and minimum variance algorithm are used to set up the multiple model adaptive controller.
采用了具有积分性质的切换指标函数作为切换法则和最小方差的控制方法构成了多模型自适应控制器。
the linearly constrained minimum variance (lcmv) algorithm based on the power inversion array and its iterative formula are deduced in the paper, which avoids the complexities of matrix inversion.
详细推导了基于功率倒置阵列的线性约束最小方差(lcmv)算法及其递推公式,避免了矩阵求逆的复杂运算。
in the sense of linear unbiased minimum variance estimation, a global optimal recursive state estimation algorithm for this discretized linear system is proposed.
在线性无偏最小方差估计準则下,推导出了该离散化后所得系统的全局最优递推状态估计算法。
the property was more object than minimum variance property.
这一性质比最小方差性更为直观。
this portfolio, the minimum variance portfolio, is 9% oil, 27% stocks, and 64% bonds and most of the--many choices you can make.
这个最小方差的资产配置是9%的石油,27%的股票和64%的债券,而大部分。。。你可以有许多选择。
a multiple model based adaptive minimum variance control is provided for a nonlinear discrete time system that is subject to multiple operating regimes.
对于一类典型的离散时间非线性系统,提出了一种基于多模型的自适应最小方差控制方法。
based on projection theory, the optimal filters for state and white noise are derived in the linear minimum variance sense.
利用射影理论,推导出了在线性最小方差意义下状态滤波器和白噪声滤波器。
the estimation of this class of the distributed group can be done by the unbiased estimation, uniformly minimum variance estimation and the optimal linear unbiased estimation.
基于线性无偏最小方差估计理论,提出了一种任意相关噪声异类传感器非线性系统状态矢量融合算法。
road simulation test system is in nature an automatic control and tracking system. a time-domain road simulation algorithm, minimum variance self-tuning controller method, is presented and developed.
认为道路模拟系统本质上是一个自动控制跟蹤系统,在此基础上提出了一种新的道路模拟时域控制方法——利用最小方差自校正控制器的自适应控制方法。
this kind of beamformer can eliminate incoherent noise when signals pass wiener filter, then achieve a better speech-enhance effect by linear constraints minimum variance beamforming.
该波束形成器首先让信号经过维纳滤波器消除非相干噪声,而后经过经典的线性约束最小方差处理,最终达到较好的语音增强效果。
a new method of linearly constrained minimum variance beamforming that based on wiener filter is proposed to improve its performance of noise reduction.
为了进一步改善波束形成器的降噪性能,文章提出了一种基于维纳滤波的线性约束最小方差波束形成器。
the linear unbiased minimum variance estimate and the optimally weighted least squares estimate are two of the most popular estimation methods for a linear model.
线性无偏最小方差估计与最优加权最小二乘估计是线性模型下两种最常用的估计方法。
the estimation of this class of the distributed group can be done by the unbiased estimation, uniformly minimum variance estimation and the optimal linear unbiased estimation.
这一类分布族的参数估计可用无偏估计,一致最小方差无偏估计和最优线性无偏估计。
the paper proposes a nonparameter data extrapolation method based on minimum variance spectrum estimation and minimum weighted norm constraint.
提出一种最小方差谱估计和最小加权范数约束结合的非参数类数据外推方法。
the performance of the two controllers of distillation column is evaluated by minimum variance as a benchmark.
用最小方差準则对两个精馏塔控制系统的性能进行了分析。
this paper presents a dual control strategy with a probing signal for the minimum variance control problems with unknown parameters.
本文针对未知参数的最小方差控制问题,提出了一种在谨慎控制器基础上加入探测信号的控制策略。
the results reveal that minimum variance benchmark acts as an efficient and feasible measurement in controller performance assessment.
分析结果表明,最小方差準则是控制器的性能评价方面一个有效的和可行的基準。
i'm not going to tell you what you want to do except to say, you would never pick a point below the minimum variance portfolio, right?
我不是教你怎样去组合,当然了,你不会选择一个,曲线上最小方差点以下的资产组合,对吧?
this paper presents a new multivariable self-tuning controller which combines the minimum variance strategy with the pole placement strategy and possesses their benefits.
本文提出一种新的多变量自校正控制器,该控制器将最小方差策略和极点配置策略结合起来,从而具有两者的优点;
it only needs routine closed-loop operating data and knowledge of the process time delay using minimum variance as a benchmark in controller performance assessment.
用最小方差準则来评价控制器的性能,仅需过程变量的常规闭环操作数据和过程的时间延迟特性。
an algorithm of broadband minimum variance distortionless response(mvdr) based on the frequency energy normalization was proposed.
给出了一种基于频段能量归一化处理的宽带最小方差无失真响应算法。
in order to avoid static errors the very effective way is to combine discrete generalized minimum variance control with continuous integral control.
为避免出现静态偏差,采用离散广义最小方差控制与连续积分控制相结合的方式,收到良好效果。
this paper proposes a new algorithm of fault tolerant control: minimum variance control on random parameter.
提出了一种新的容错控制方案:随机参数最小方差控制。