my_fillnan

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)

找椭圆的中心，用得到了很多算法，可以借鉴！(Find the ellipse center, many algorithms have been used, you can learn!)

need for source code using matlab

用Matlab软件求解微分方程 的解析解和数值解(Analytical solutions and numerical solutions of differential equations solved using Matlab software)

通过使用matlab进行模拟仿真，得到比较可靠的模拟数据与实验进行对比，方便日后类似的数据处理(Obtain reliable simulation data and experimental comparison, to facilitate future similar data processing by using matlab simulation)

Content based Image retrieval

it s about beamforming

asynchronous startup dune machien directly connected to the network

基于MATLAB环境下偏微分方程组的求解对应的代码 简单明了 便于初学者学习使用(Based on the MATLAB environment to solve partial differential equations corresponding code is simple for beginners to learn to use)

Human skin detection using morphological operation...