查询词典 indicator function

We use ascendency as a goal function or indicator of system performance.

我们利用优势为目标的功能或系统的性能指标。

Firstly, the indicator function which representing the scattering characteristics is constructed.

数值计算结果表明这些方法均是有效的，可用于声波障碍散射反问题的研究中。

Numerical tests shows that indicator function method is a simple and fast method, by which better reconstruction can be gained for no superior knowl-edge of the physical properties about media.

数值实验表明，指示函数方法简单快速而准确，能在不对介质的物理性质有先验的假设基础上，给出较好的重构效果。

3Numerical tests shows that indicator function method is a simple and fast method, by which better reconstruction can be gained for no superior knowledge of the physical properties about media.

数值实验表明，指示函数方法简单快速而准确，能在不对介质的物理性质有先验的假设基础上，给出较好的重构效果。

The research achievement are acquired as follows: 1From mathematical models for inverse scattering in two dimensional homogenous media including Dirichlet, Neumann, Robin,all kinds of probable mixed boundaries and cracks, direct and inverse scattering are discussed, and ill-posed integral equation and indicator function method are formulated for the diverse of boundary identification. It is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given.

本研究取得了如下研究成果： 1）在二维均匀介质逆散射各种边界识别的数学模型（包括Dirichlet，Neumann，Robin，各种可能的混合边界问题，裂纹问题）下，分别考虑了正散射问题和逆散射问题，推导了上述各种边界识别的不适定积分方程以及指示函数方法，由于积分方程的核充分表征了散射物的边界，由此说明只要利用正则化方法求解该积分方程，就可以确定散射物的边界，并给出了一些数值实验。

Firstly, this paper definited pseudometric d for n -foldproduct of σ-algebra A of subsets of a given set X , and definited indicator function ; secondly, gave the concept of differentiable of set function at S° and concept of partial derivative at S° with respect to the ith argument Si through indicator function, and defound the weak efficient solution of and optimality necessary condition; Finally, obtained three weak duality results and strong duality results under generalized convexity conditions.

首先，对已知集X的子集的σ-代数A的n-折积A^n，定义了伪度量d，给出了相应的特征函数〈h，Is〉；其次，通过特征函数给出了集函数在S 可微的定义及集函数在S 关于第i个变量Si的偏导数定义；给出了多目标规划问题的弱有效解概念及的最优性必要条件；最后，分别在目标函数和约束函数的3种较弱凸性条件下，研究n-集函数多目标规划问题的对偶问题，获得了3个弱对偶结果和强对偶结果。

Although there are a lot of methods to test otolith function,at present ocular counterrolling is the only relative pure indicator of otolith function.It provide a valid method for predicting SMS susceptibility,it has great application prospect in the research of the SMS mechanism and the readaptability of vestibular function after space flight,it also provides great reference in the clinical diagnosis of vestibular problems.

在耳石功能检测的多种方法中，眼球反转检测是较为单纯反映耳石功能的一项生理指标，它提供了一种可以较为有效地预测空间运动病易感性的手段，且在空间运动病机理研究以及航天飞行后前庭功能的重适应研究上有很好的应用前景，同时对临床上前庭功能障碍的诊断可提供重要参考。

The proposed scheme is achieved by extracting the support of an indicator function on a sampling domain containing the penetrable object as a visualization of the unknown object where the indicator function has noticeably different values inside and outside the penetrable object.

这个算法的一个特别吸引人的性质是不需要关于障碍物的任何几何和物理的先验信息，并且只需要散射场在某个有限孔径中若干个入射和测量方向上的远场信息，即可得到可穿透目标的一个很理想的可视化。

The indicator element (2) is designed as a waveguide panel, wherein light beams propagate with total reflection and get outcoupled therefrom with a diffractive outcoupling system (2u), such as a grating structure or the like, which is configured as an indicator pattern, for producing an indicator pattern (2a) activable in the indicator element (2) by the action of light, such that divergent recesses and/or grooves of various sizes and/or shapes constitute divergent local gratings of various sizes and/or shapes, such as multi-shaped and/or binary pixels and/or units, the filling factor, shape, profile and/or size thereof being optimized in such a way that the diffraction efficiency is a function of place.

把指示元件(2)设计成波导板，其中光束以全反射方式传播并且从那里通过构造成指示图案的衍射外耦合系统(2u)、如光栅结构等得到外耦合，用于在指示元件(2)中产生可由光作用激活的指示图案(2a)，使得各种尺寸和/或形状的分散的凹口和/或槽纹构成各种尺寸和/或形状的发散的局部光栅、诸如多形状的和/或二元像素和/或单像素的，所述局部光栅的填充系数、形状、轮廓和/或尺寸可以以这样的方式优化，使得衍射效率是位置的函数。

For confirmation of this ancient legend and found out the sexual improvement compounds the testosterone and NO in serum of mice were measured,the weight of sexual organs of mices was detected and the sex behaviour of mice was observed.The testosterone and NO concentration in serum of mice as indicator for screening some improving sexual compounds from Chinese chives was builted.1、The preliminary experiment of Chinese chives confirm sexual improvement functionThe sexual improvement function experiments of Chinese chives comparing with herba epimedii,herba cynomorii and radices morindae which were acknowledged as chinese herbals having sexual improvement function were carried out.The result was showed that the Chinese chives was confirmed having sexual improvement function,though its efficacy was less than herba epimedii,herba cynomorii and radices morindae.

为了证实古代医学认为韭菜的壮阳功能，揭示韭菜起温肾壮阳作用的化学物质基础，开发其功能性物质成分，本实验首先应用韭菜酒精初提液对小鼠睾酮、NO含量、性器官、性行为等指标的测定，验证韭菜是否具有改善性功能作用，然后以小鼠睾酮、NO含量等为指标对韭菜中的壮阳物质进行逐步分离和改善性功能作用筛选，以鉴定出几种改善性功能的物质。1、韭菜改善性功能的验证将韭菜与淫羊藿、琐阳、巴戟天三种有温肾补养功能的中草药进行比较，发现韭菜改善性功能作用不如淫羊藿、琐阳、巴戟天壮阳中草药的效果明显，但是韭菜还是具有显著的改善性功能作用的(P＜0.001)。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。