stft4

FDTD方法是把 Maxwell 方程式在时间和空间领域上进行差分化。利用蛙跳式(Leap frog algorithm)--空间领域内的电场和磁场进行交替计算，通过时间领域上更新来模仿电磁场的变化，达到数值计算的目的(FDTD method Maxwell s equations in the field of time and space differencing. Leapfrog (of Leap frog algorithm)- the electric and magnetic fields within the field of space alternating the update time field to mimic the changes in the electromagnetic field to reach the numerical calculation purposes)

This is an archive for background remove images.

计算pearson相关系数的函数,hen xiang xi(ji suan pearson xiang guan xishu de han shu)

第9章 方程求根.zip。是从书中光盘里直接拷贝的代码，放在这里，与大家共享，共同交流，希望对大家有帮助。(Chapter 9 Equations in One Variable)

一个UPF的例程，内含matlab源代码和相关的文档资料（英文），对UPF的基本原理有详细的介绍(a UPF of routines, containing Matlab source code and related documentation information (English), UPF of the basic tenets is described in detail)

MATLAB与c++混编的案例代码，可运行，是学习的好例子(MATLAB and c++ mixed case code can be run, is a good example of learning)

粒子群优化算法，通过追随当前搜索到的最优值来寻找全局最优(Particle swarm optimization algorithm, by following the current search to the optimal value of to find the global optimal)

可以实现单极性双极性在不同信噪比的条件下对误码率的比较。(BER Comparison)

vad（语音活动检测）的matlab代码，采用频域的方法计算信噪比。(vad (voice activity detection) Matlab code, using frequency-domain approach to calculate the signal-to-noise ratio.)

包括优化算法源程序及算法原理介绍。自适应协方差矩阵进化策略，一种2000年左右发展起来的新优化算法，简称CMA-ES，最近十几年得到了学术界的广泛关注，非常有应用前景。这是一种黑箱子优化算法，可以再程序末自己定义优化函数，也可以调用外部程序（如有限元等）进行计算，然后提取优化函数的解。该优化算法在各种变量维度下的表现优于蚁群算法、粒子群算法，有较好的收敛性，这归功于其严谨的数学表达。(Covariance matrix adaptation evolution strategy, about one kind of new optimization algorithms developed in 2000, referred to as CMA-ES, the last ten years has been widespread concern in academic circles, very prospect. This is a black box optimization algorithm, you can then define their own optimization program at the end of the function, you can also call an external program (such as finite element, etc.) are calculated, and then extract the optimal solution function. The optimization algorithm in a variety of variable dimensions outperformed ant colony algorithm, particle swarm optimization, better convergence, thanks to its rigorous mathematical expression.)