随机函数

A direct sample method has been used to simulate the discrete polydisperse Mie phase functions of haze aerosol.

提出了一种直接随机抽样拟合散射相函数的方法。

Methods. PSF 1000 analyzer was used to measure retinal image quality for eye of 26 subjects (spherical ranged from –3.00 ~-6.00Ds, astigmatism ranged from –0.75~-3.00Dc) fitted with three forms of full correction in random order : unaided eye, with rigid gas permeable contact lenses and toric soft contact lenses. The modulation transfer function curve was observed, 12 points of the MTF curve ( equivalent 12 points of LogMar VA) was used for analysis. Results.

利用人眼点扩散函数分析系统（PSF-1000）检查和评估26例近视散光患者（年龄18~28岁，球镜–3.00DS~-6.00 DS，角膜散光-0.75DC ~-3.00DC）在裸眼、配戴散光软性角膜接触镜和透氧性硬性角膜接触镜三种全矫状态的光学成像质量，采用26眼屈光介质MTF曲线中的12个点（即分别等同于对数视力表4.0~5.1的12个点）进行比较和统计学分析，为了避免主观误差，三种矫正方式的先后顺序随机选择。

In order to solve the problem effectively, a GA-based strategy is given after the complete analysis of the features of GA, which is very efficient to solve large-scale, non-linear, uncontinuous and multiple optimums optimization problems.

论文在对GA分析的基础上，指出GA是一种通用性很强的自适应随机搜索算法，且对搜索空间要求不高，适用于全局优化，尤其在解决诸如大规模、非线性、不连续、多峰等复杂函数优化问题方面，更显示其优越性。

This paper set up a hardware in the loop and real-time simulate test system of 1/4 vehicle suspension.

摘要本文构建了1／4汽车半主动悬架的硬件在环实时仿真试验系统，将S函数编程实现的线性滤波和谐波叠加模拟产生的随机路面激励用于该试验系统中，进行了时间域内路面不平度、磁流变阻尼器、被动悬架和半主动悬架的仿真及试验，采用性能评价指标对悬架性能进行评价，比较优劣。

This paper set up a hardware in the loop and real-time simulate test system of 1/4 vehicle suspension.

本文构建了1／4汽车半主动悬架的硬件在环实时仿真试验系统，将S函数编程实现的线性滤波和谐波叠加模拟产生的随机路面激励用于该试验系统中，进行了时间域内路面不平度、磁流变阻尼器、被动悬架和半主动悬架的仿真及试验，采用性能评价指标对悬架性能进行评价，比较优劣。

By the idea of non-parametric estimate and the wide understanding of weight function, we obtain a method of randomizing the restrictive conditions of nonlinear regression model.

对带约束条件的非线性模型问题进行了探讨，利用非参数估计的思想，广义地理解权函数估计中的权，给出了一种方法－&约束条件的随机化方法&。

The regression period of cotton aphid: The spatial patterns of aphid population were confirmed to exponent, linear and nugget model under large scale along with the time sequence, respectively, results suggested that the spatial patterns were aggregated, medium intensity aggregation and random distribution, respectively, and the space continuity is decreasing.

3消退期：大尺度下按时间顺序，棉蚜的变异函数模型分别为指数型、线性及块金模型，表明空间格局分别表现为聚集型、中等强度和随机分布，棉蚜种群的空间自相关性及空间连续性在后期递减。

In the second chapter, we show a Log-Barrier method with Benders decomposition for solving two-stage linear stochastic programming, and then we solve the problem with KKT condition of the sub-problem.

第二章，给出了求解一类二阶段随机线性规划问题的基于分解的对数障碍函数方法，利用Bender方法将原问题分解，然后通过子问题的KKT条件求解。

The coupling architecture of double wave-front correctors can be constructed by simultaneously controlling the approximated wave-front corrector and the original one with SPGD technique for a common performance metric.

该校正器与原校正器同步工作，并采用随机并行梯度下降算法对同一个性能评价函数进行优化，从而构成了双校正器的耦合工作结构。

A class of stationary models of singular stochastic control is discussed, in which the functions in cost structure are not restricted to even functions, and the state processes are diffusions with "nonsymmetric" drift and diffusion coefficients.

该文讨论了一类奇异型随机控制的平稳模型，其费用结构中的函数不限于偶函数，其状态过程为扩散型且具有&非对称的&漂移及扩散系数。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。