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detect car plat with NN and Image processing

迭代加权最小二乘法（IRLS） 本算法用于解决某些优化问题。(IRLS(Iteratively reweighted least squares) The method of iteratively reweighted least squares (IRLS) is used to solve certain optimization problems.)

按照一定的要求和参数生成一级海杂波，主要用于雷达海杂波仿真。(Sea clutter level is generated in accordance with certain requirements and parameters, and generate graphics with matlab.)

基于子空间的盲信道估计算法，用的是奇异值的分解Subspace-based blind channel estimation algorithm, using a singular value decomposition (Subspace-based blind channel estimation algorithm, using a singular value decomposition )

利用matlab软件对牛顿环的干涉条纹的仿真，里面有每个语句的含义，可以使用初学者。(Newton ring using matlab software simulation of the interference fringes)

MATlab工具箱的多元优化求解问题，自己进行了一点更改，希望能够好用(MATlab optimization toolbox to solve diverse problems, themselves a little change in the hope of easy to use)

通过步进电机的数学模型对二相步进电机进行仿真，并通过卡尔曼滤波处理数据，最终通过处理后的数据预估两相步进电机的相电流和相电压。(The mathematical model of the stepping motor is used to simulate the two-phase stepping motor, and the data are processed by Kalman filter. Finally, the phase current and phase voltage of the two-phase stepping motor are predicted by the processed data.)

说明：  最速下降梯度法matlab程序和用拟牛顿法求极小值点(apply a gradient–descent based error minimization approach to minimize the difference between the real deformation and the simulated one given the elasticity parameters)

随机数发生器 此功能会产生连续的值（功法的文章中讨论的五个分布随机分布，指数，对数正态分布，拉伸指数，截止功法）。使用信息包含在文件类型的帮助randht在MATLAB提示符更多信息。 幂律分布拟合 这项功能同时实现的离散和连续的最大似然估计拟合幂律分布的数据，以及善良的合适的方法来估计缩放区域较低的截止。使用信息包含在文件类型的帮助plfit在MATLAB提示符更多信息。(This function is a random number generator will produce discrete values ​ ​ (power law discussed in five articles distributed random distribution, exponential, lognormal, stretching index cutoff power law). The use of information contained in the file type of help randht in MATLAB prompt for more information. Power-law distribution fitting This function implements both discrete and continuous maximum likelihood estimation fitting power-law distribution of data, and kind suitable method to estimate the scaling region lower cutoff. The use of information contained in the file type of help plfit in MATLAB prompt for more information.)

该文研究了河南省不同年龄组的历史发展趋势和65岁以上人口未来发展趋势以及影响老龄化相关因素的问题。通过对不同时期的人口数据的分析和预测，从一个经典的模型入手，建立了三个不同的模型，分别 模型、 模型和关联分析模型，然后采用统计分析的方法来解决这些问题，预测出了河南省未来老龄化人口的发展。(This paper studies the different age groups in Henan Province of historical development trends and population over the age of 65, as well as the impact of future development trend of aging-related factors. Different stages of the analysis of population data and projections from a model of the classic, the establishment of three different models, namely, model, models and associated analysis model, and then using statistical analysis methods to solve these problems, predict the Henan Province, the future development of an aging population.)