查询词典 weighted mean

Through proper transformation, the values influenced by factors in quotient index , product sum index and weighted mean index can also be determined by means of the matrix method, and the fa...

通过适当的变换，商指标、积和指标以及加权平均指标的因素影响值也都能用矩阵方法求解，从而使统计指标的因素分析方法在一定程度上得到了统一与简化。

Methods Perfusion weighted imaging was performed in 45 cases of cerebral infarction. The sidetoside ratios of regional cerebral blood flow,regional cerebral blood volume and mean transit time were measured at duty lesion of ischemia. The hypoperfused cerebral areas and the stages of ischemia were defined as follows:compensation stage: rCBF was normal, rCBVwas increased, MTT was prolonged;decompensation stage: rCBF was slightly decreased, rCBV was normal or decreased, MTT was prolonged;preinfarction stage: rCBF and rCBV were decreased,MTT was prolonged.

利用磁共振灌注成像技术（perfusion weighted imaging，PWI）对45例缺血性脑血管病患者的责任病灶进行局部脑血流量，局部脑血容量，平均通过时间比值测定，确定低灌注脑区的影像学特点和缺血分期：代偿期（rCBF保持正常，rCBV升高，MTT延长）；失代偿期（rCBF轻度下降，rCBV正常或下降，MTT延长）；梗死前期：（rCBF下降，rCBV下降，MTT延长）。

The typical methods include Weighted mean, Bayes estimation, Dempster-Shafer evidence, Decision statistics model theory, Condition event algebra theory, Dynamic Kalman filter, Fuzzy logic theory, Neural network theory and Artificial intelligence technology.

近年来，国内外学者提出了许多对多传感器组合定位系统的数据融合方法，讨论较多的有加权平均法、贝叶斯估计法、Dempster-Shafer证据法、决策统计模型法、条件事件代数法、Kalman滤波、模糊数学、神经网络以及人工智能方法等。

In this paper, method of weighted mean of optimum order of multi-objective decision problem is popularized, and a solving method of multi-objective decision problem in Fuzzy environment under undeterminable circumstance is proposed.

本文推广了多目标决策问题的优序法，提出了状态不能确定的情况下的目标决策问题的求解方法，重点研究了系统状态是一个模糊集时求解多目标决策问题的均值优序法。

Price indices of investment in fixed assets are calculated as the weighted arithmetic mean of the price indices of the three components of investment in fixed assets.

编制固定资产投资价格指数应首先分别编制上述三部分投资的价格指数，然后采用加权算术平均法求出固定资产投资价格总指数。

The present paper will calculate the development speed of railway transportation for goods, by introducing index theory and making a literature review of arithmetic weighted mean index and stochastic approach.

本文引入指数理论，通过加权算术平均指数和随机指数编制方法的理论阐述与比较，最后应用随机指数化方法对江西省铁路货运生产发展速度进行试算。

To conquer the influence of the cross term, a weighted mean method is proposed.

为了克服交叉项的影响，提出了加权平均的方法来改进算法。

To conquer the influence of the crossterm, a weighted mean method is proposed.

为了克服交叉项的影响，提出了加权平均的方法来改进算法。

The former is related to the weighted mean of k-level extreme values of pixels.

提出了新的方法，分割出导向线能够自适应环境的一些变化。

A new filter — Fuzzy Detection Weighted Mean filter is presented in this paper.

摘 要：本文提出了一种新的滤波器——模糊检测加权均值滤波器。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"