| 1. | 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。 |
| 2. | 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. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | 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” 。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |
| 10. | 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。 |
