zishiying

本程序为一维fdtd代码。激励为高斯脉冲。边界为pml。(This program is one-dimensional fdtd code. Gaussian pulse excitation. Boundary pml.)

说明：  matlab中的几种滤波器文件，包括对其的仿真(matlab filter in several documents, including the simulation of its)

分段函数，进行采样，画出采样图，幅频图，频谱图(Piecewise function, sampling draw sample Figure Figure amplitude-frequency spectrogram)

水声传播衰减的射线理论传播衰减示意图，可绘制不同声源深度关于距离的声线传播图(Ray attenuation of sound propagation theory spread water attenuation diagram can be drawn in different source depth chart on sound propagation distance line)

MUSIC算法，即多重信号分类法，经典的高分辨方位估计估计方法，好好学习一下(Multiple signal classification, which is the tipical DOA method with high resolution, should be well studied.)

说明：  本程序是对语音信号去除噪声。MATLAB编写(This procedure is a speech signal to remove noise. MATLAB prepared)

BPX神经网络在matlab开发环境中的实现实例，有利于初学者学习与掌握(BPX neural network in the matlab environment development to achieve the example, be helpful for beginners to learn and master)

基于matlab的阵风风速模型。希望对大家有用(Gust wind speed model based on matlab. Hope to useful)

包含了用matlab编写的bp程序和动量-自适应学习调整算法(BP改进算法)程序。(includes using Matlab bp prepared by the procedures and momentum-adaptive learning algorithm adjustments (BP improve operator France) program.)

基于电流，转速的双闭环永磁同步电机的矢量控制的仿真模型。。。(Based on current double closed loop speed permanent magnet synchronous motor vector control simulation model)