G-Rilling

为sinudoidal模型的AIC阶估计.AIC信息准则即Akaike information criterion，是衡量统计模型拟合优良性的一种标准，又由于它为日本统计学家赤池弘次创立和发展的，因此又称赤池信息量准则。它建立在熵的概念基础上，可以权衡所估计模型的复杂度和此模型拟合数据的优良性。 在一般的情况下，AIC可以表示为： AIC=2k-2ln(L) 其中：k是参数的数量，L是似然函数。 假设条件是模型的误差服从独立正态分布。 让n为观察数，RSS为剩余平方和，那么AIC变为： AIC=2k+nln(RSS/n) 增加自由参数的数目提高了拟合的优良性，AIC鼓励数据拟合的优良性但是尽量避免出现过度拟合(Overfitting)的情况。所以优先考虑的模型应是AIC值最小的那一个。赤池信息准则的方法是寻找可以最好地解释数据但包含最少自由参数的模型。(AIC order estimation for sinudoidal model)

matlab实现二维抽样定理的模拟，通过peak函数产生的图像，进行二维抽样后还原出原图样(MATLAB realizes the simulation of two-dimensional sampling theorem, and restores the original pattern after two-dimensional sampling through the image generated by peak function.)

经验模态分解工具箱，用于处理复杂信号的特征提取十分有效(Empirical mode decomposition toolbox for dealing with complex signal feature extraction is very effective)

The given code finds the HOG feature vector for any given image. HOG feature vector/descriptor can then be used for detection of any particular object. (The given code finds the HOG feature vector for any given image. HOG feature vector/descriptor can then be used for detection of any particular object.)

求解工程最优化即最大（小）值问题的常用Matlab函数及其使用方法(Ie, the maximum value of (small) problem solving engineering optimization commonly used Matlab functions and methods of use)

航空飞行器惯性导航的数学建模与实时系统仿真(Aviation aircraft inertial navigation Mathematical Modeling and Simulation of real-time systems)

递归法求解整数划分。 整数划分，是指把一个正整数n写成如下形式： n=m1+m2+…+mi （其中mi为正整数，并且1 <= mi <= n），则{m1,m2,...,mi}为n的一个划分。 如果{m1,m2,...,mi}中的最大值不超过m，即max(m1,m2,...,mi)<=m，则称它属于n的一个m划分。这里我们记n的m划分的个数为f(n,m) (Recursive method integer division. Integer division, refers to a positive integer n written as follows: n = m1+m2+ ...+mi (where mi is a positive integer, and 1 < = mi < = n), then {m1, m2, ..., mi} is a division of n. If {m1, m2, ..., mi} does not exceed the maximum value of m, i.e., max (m1, m2, ..., mi) < = m, m n is said that it belongs to a division. Where m is the number of division n our mind is f (n, m) )

Skin Detection using matlab

DQ Model - single phase stationary

画出地球，模拟不同时刻卫星位置，模拟用户位置，与可见卫星(Draw the earth, the simulation satellite location, different time simulated user s location, with the visible satellites)