variance method造句
例句与造句
- The methods to achieve the optimal allocation of fixed income securities include the target - penalty method and mean - variance method
固定收益证券最优化的方法包括目标罚金方法和均方差方法等两种方法。 - Some normalization methods are discussed in detail , including histogram method , expectation - variance method and trend surface analysis
这里详细介绍了各种测井数据标准化的方法原理，并给出了相应的实例。 - 3 , game theory analytics has been applied to improve mean - variance method of h . m . markowitz in fields of zero - sum game and non zero - sum game
3 、运用博弈分析方法对马克威茨的均值一方差法在零和博弈和非零和博弈的范畴内进行了改进。 - The focusing evaluation functions are tested in detail in this dissertation . the experiments indicated that using variance method could attain good stability , insensitivity to noise and good regulation effect
论文重点分析了自动对焦评价函数的性能，最后选择了性能相对良好的方差评价函数作为清晰度的评价方法。 - Many risk measuring techniques appears , such as variance method , p analysis method , duration method . these techniques only can be applied into given financial tools or specific field
在西方，许多风险衡量技术，如标准差、系数、持续期和delta等方法都应运而生，但这些技术都只能适应特定的金融工具或在特定的范围内使用，难以综合反映风险承担情况。 - It's difficult to find variance method in a sentence. 用variance method造句挺难的
- Aim at the limit of map - tuned variance method , we use directional noise to handle the motion along different road . then , we evolve the general formula to judge whether the target is on road or not , and present " extended map - tuned variance method "
针对地图调整方差法的局限性，引入方向性过程噪声来表征目标在不同的道路上运动，推导出判断目标在道路上的一般公式，提出“扩展地图调整方差法” 。 - Theory analyzing and simulations show that : when target is on road , on road - junction , or on the transition from on - road to off - road ( from off - road to on - road ) , the performance of tracking algorithm using extended map - tuned variance method is improved obviously
理论分析和仿真研究表明，当目标在道路上或者道路交叉点，或者目标从道路到道路外及从道路外到道路上的过渡过程时，目标跟踪性能得到改善。 - We present " c - imm extended map - tuned variance method " to combine c - imm and extended map - tuned variance method . simulations show that : the performance of target tracking is improved by using c - imm extend map - tuned variance method when target is on road or junction
理论分析和仿真表明，基于多模型的“ c - imm扩展地图调整方差法”对于目标在道路交叉点时，或者目标在道路上匀速运动时，跟踪性能有所改进。 - Developed a new method for selecting optimal segmentation scale : mean variance method . from the graph many classes " optimal segmentation scales could be got . it proved that for different classes their optimal segmentation scale are different
后者是针对于一种地物类别而言的，影像对象多边形既不能太破碎，也不能边界模糊的分割尺度，该尺度下对象大小与特定的地物目标大小接近，且类别内部对象的光谱变异较小。 - In this paper , according to the spermatozoa microscopic image characteristics four conventional image segmentation algorithms are compared . and at last the maximum between - class variance method is determined to be the best segmentation algorithm to the special images
针对精子显微图像的特点，论文分析比较了四种现存的图像分割算法的特点，进而判定：基于灰度直方图的最大类间方差阈值选取法是最适合不同背景光强和样本密度的分割方法。 - Theory of portfolio optimization is an important part of the modern ? nance in - vestment theories , which uses mathematical facilities such as convex analysis , random analysis , nonsmooth analysis , ( nonlinear ) programming etc , combined with the mean - variance method the basic method of modern portfolio theory . by setting up mathe - matical models , discussed the investment rules of ? nance market and o ? ered theoretic guide for investors
投资组合优化理论是现代金融投资理论的重要组成部分，它运用凸分析、随机分析、非光滑优化、 (非)线性规划等数学工具，并与现代投资组合理论的基本方法均值方差方法相结合，通过建立数学模型讨论金融市场投资规律并为个人或机构投资者提供理论指导。 - The study chooses foodstuff industry , textile industry , drug products industry , transportation industry , information technology industry and estate industry ( there are totally 283 listed companies in these six kind of industries ) , based on the financing data of the year of 2001 . firstly , utilizing the one - way analysis of variance method to analyze if trade factor influence capital structure
本课题选取食品饮料业、纺织服装业、医药生物制品业、交通运输业、信息技术业和房地产业六类共283家上市公司，以其2001年年报数据为依据，首先利用单因素方差分析方法检验不同行业的上市公司资本结构是否存在显著差异。 - In the course of measurement of workpiece face runout , variance method of the most species based on separability and image edges distilling based on morphology and marr filtering based on edges segmentation are used to enhance effectively accuracy of image segmentation and edges distilling . accuracy of measurement of face runout is enhanced effectually by use of least square method of compressing rectangle fitting edge of image and transforming of dft
该系统在工件端面跳动测量过程中，采用了基于可分性的最大类间方差法和形态学边缘提取以及基于边界分割的marr算法，使图像分割和边缘提取的准确性得到了很大的提高；用压缩矩形的最小二乘法拟合工件端面图像的边缘以及用dft变换对工件端面的跳动量进行测量，使端面跳动测量的准确性得到了很大的提高。 - In this paper , optic gyro is viewed as the object of investigation and several aspects is investigated as follows . two important indexes - bias instability and scale factor were measured and investigated , including bias , its repetitiveness , temperature sensitivity , random walk coefficient and scale factor , its nonlinearity , asymmetry , repetitiveness . we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro , such as the angle random walk , bias instability , rate random walk , rate ramp , quantization noise , markov noise and sinusoidal noise
本文以光学陀螺为研究对象，开展了以下几方面的研究工作：本文对光学陀螺性能的两个重要指标?标度因数和零偏稳定性进行了较为详细的研究，其中包括陀螺的零偏b _ 0 、零偏重复性b _ r 、零偏温度灵敏度b _ t 、随机游走系数rwc和标度因数k 、标度因数的非线性k _ n 、标度因数不对称性k _ h 、标度因数重复性k _ r等等。
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