dwtsinsigenergycalculation

说明：  关于gauusian函数的matlab代码，角点提取时会用到(About gauusian function matlab code that will be used corner detection)

利用Matlab编写的短时傅里叶变换，将时间域信号变换到时频域进行分析(The short-time Fourier transform written in Matlab is used to transform the time domain signal into time-frequency domain.)

说明：  用于数字图像相关方法中散斑质量评价，评价标准之一是平均灰度梯度，此压缩包中包含了如何形成高斯分布的数字散斑以及用于计算不同子区大小的平均灰度梯度值(For speckle quality evaluation in digital image correlation method, one of the evaluation criteria is the average gray gradient. The compression package contains how to form a Gaussian digital speckle distribution and the average gray gradient value used to calculate the size of different subareas)

说明：  基于matlab的BP神经网络的电网谐波研究相关参考资料，pdf格式文件。(Based on the BP neural network matlab harmonic of related references, pdf format.)

资料中含有几篇经典的关于基于小波的时频分析技术及其发展现状，并配有一个简单的matlab小波仿真程序。(Information contained several classic on the frequency analysis of wavelet-based technology and its development status, and with a simple wavelet matlab simulation program.)

用Matlab写的关于UDP（用户数据报协议）下的主机间的数据通讯。如需运行这个程序，只需把程序中的IP替换成你的主机IP地址即可 (Matlab UDP)

This m.file is intended to perform the numerical integration of a structural system subjected to an external dynamic excitation. The integration scheme utilized for this alysis is the newmark alpha-beta method.

说明：  用简单迭代法求非线性方程f(x)=0有根区间[a,b]中的一个根 maiter 用途：用定步长高斯就积公式求函数的积分 magsint(w)

航天器的飞行动力学计算，航空航天参数分析(Spacecraft flight dynamics calculations，Aerospace parametric analysis )

说明：  Matlab 的Numerical Computing，全书pdf＋全代码，英文版(Matlab Numerical Computing, the whole book pdf+ code, in English)