non-linear-ansis-for-structure

优化设计，鲍威尔法，无约束条件求解最优解，二维(Optimal design)

利用matlab编写的二维fdtd，加点源，pml吸收边界，适合fdtd初学者学习研究(Prepared using matlab dimensional fdtd, plus a point source, pml absorbing boundary, suitable for beginners study fdtd)

mvdr 最小方差无失真波束形成器 张贤达 空间谱 波达方向角的确定 matlab完整程序(mvdr minimum variance beamformer Zhang XD distortion spatial spectrum matlab DOA to determine the full program)

不同结构元素的腐蚀效果。MATLAB环境代码，配有实验用图。《精通Matlab数字图像处理与识别》(Corrosive effects of different structural elements. MATLAB environment code with experimental Figure)

基于数字信号处理器(DSP)的异步电机直接转矩控制研究(DTC)

this code will help you to Compute a discrete-time transfer function to approximate a distributed LPF

matlab中的数字滤波器:butterworth滤波,besself滤波,chebyshev type1（2）滤波,椭圆滤波(Matlab the Digital Filter : butterworth filtering, besself filtering, chebyshev type1 (2) filtering, elliptic filter)

离散时间的基本运算，是MATLAB函数改进增强版本，更加的实用，包括卷积，折叠等基本运算(Discrete-time basic operations, is an enhanced version of MATLAB function improved, more practical, including convolution, folding and other basic operations)

unit root test!!!!!!!!!!!!!!!!!!!!!including kinds of toolbox

基于升余弦滚降系统的多径传播的总体时域特性及其眼图(The overall spread of multi-path time-domain characteristics and eye diagram)