查询词典 weighting function

ABSTRACT Objective: To discuss the performance of Magnetic Resonance with FLAIR Pulse Sequence and the T2WI Weighting Image in the patients with acute cerebral infarction, and analyze the sensitivity of MRI with double sequence in the acute cerebral infarction.

目的：探讨急性脑梗塞在磁共振液体衰减翻转回复序列与常规SE序列T2WI加权像上的表现，并对比分析双序列在急性脑梗塞MR诊断的敏感性。

The fuzzy cluster analysis of ex-service ship-based weapons involves battle capability of weapons, the behindhand degree of technology, maintenance cost / a year, the coefficient of exceeded service term, and strategic weighting value factors etc.

作者单位：（1。防空兵指挥学院研究生队，河南郑州450052；2。 71315部队，河南郑州 450052）摘要：舰载武器装备退役的模糊聚类分析涉及装备的作战效能、技术落后程度、年使用维护费、超期服役系数、战略权重值等因素。

A new algorithm,which is called " weighting method of compensation " for exponential curve of acceleration and deceleration in CNC,is developed.

提出了数控系统中一种新的指数升降速控制曲线算法-加权补偿法，该算法用加权平均及权值修正技术，解决了数控系统中指数升降速控制曲线不能任意动态调整的难题。

It is small, weighting only about four ounces and it about the size of an eyeglass case.

这是小国，它的比重仅约4盎司左右大小案件的眼镜。

One or both of transmit and receive aperture controls may include preventing some element of the transducer array from transmitting or receiving, calculating weighting apodizations to combine with standard apodizations for each frame, or determining an aperture size based on an f-number for the transducer array for each frame.

发射和接收孔径控制中的一个或二者可以包括：阻止换能器阵列中的某个元件进行发射或接收，针对每一帧计算加权变迹以将其和标准变迹相组合，或者针对每一帧根据换能器阵列的F数来确定孔径尺寸。

To comparison with weighting method for each missing proportion, we observed presentation of number of factors, eigenvalue, main factor variables, and factor loading.

针对每一种加权方法，以逐笔不同缺失比例，我们将比较不同的加权方法及因子个数、特徵值、因子主要变项、因素负荷的表现。

The angle can be calculated according to weighting factor in the three-dimensional space.

2在向量空间中计算旋转变换的角度，不同的角度下对应不同的因子载荷，当因子载荷在不同波段上的分布离散度较大时，具有较好的分类结果，便于结果的解释

Proposed a new minimum variance PIC detector for synchronous CDMA system, proposed the formula for the computation of the weighting factor which minimizes the variance of output variable and prove that it locates in the range of (0, 1), functions of the expectation, variance and bit error rate are proposed as well.

提出了一种同步长码CDMA系统中的最小方差并行干扰消除检测器，提出了最小化输出方差的加权系数的计算公式，证明了该系数必定落在(0，1)区间之内，同时提出了该检测器的均值、方差和误码率公式。

The directivity gain was 6dB using the optimal weighting for four components vector sensor.

对于四输出分量的矢量传感器来说，声压和振速加权处理在各向同性噪声场中可以获得4.8dB的空间指向性增益，最优加权处理可以获得6dB的空间指向性增益。

The total genetic effect of progeny was obtained by economic weighting genetic effect of these two traits.

通过经济加权上述两个性状的遗传效应来预测后代的综合遗传效应。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。