Chapter-8

matlab genetic algorithm

利用kraken计算的声场信息，在matlab中仿真得到声传播损失(Calculated by kraken sound field sound transmission loss simulation in matlab)

考虑雨衰 阴影 和多径影响，利用自然梯度算法，非归零型差分相位调制信号建模与仿真分析 ，能量熵的计算，借鉴了主成分分析算法（PCA），基于负熵最大的独立分量分析，包括最小二乘法、SVM、神经网络、1_k近邻法。( Consider shadow rain attenuation and multipath effects Use of natural gradient algorithm, NRZ type differential phase modulation signal modeling and simulation analysis, Energy entropy calculation, It draws on principal component analysis algorithm (PCA), Based on negative entropy largest independent component analysis, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.)

运用FDTD算法计算了喇叭天线的近场分布，有一定的参考价值。(Use the FDTD algorithm to calculate the the horn antenna near-field distribution, there is a certain reference value.)

用显示euler法、heun法、中点法和rk4方法求解一阶微分方程精确解和数值解的程序(Euler method with the show, heun method, midpoint method and rk4 exact method for solving first order differential equations and numerical solutions of the procedures)

语音识别的MATLAB代码，包括用于测试的语音，实现了利用HMM(隐含马尔可夫)和DTW(动态规划)两种方法的实现。(ASR use HMM and DTW method include wave files use for test and training.)

求取信号的包络，信号的包络含有重要的调制信息，本程序给出了求取信号包络的方法(To strike a signal envelope, signal modulation envelope contains important information, this program gives way to strike a signal envelope)

Matlab小波能量谱的程序wavelet energy spectrum (wavelet energy spectrum )

this file is about fuzzy logic system

二维光子晶体能带结构算法和三维光子晶体能带结构算法，主要是平面波展开法计算的(Two-dimensional and three-dimensional photonic crystal band structure algorithms)