costas

矩形域上的二阶椭圆差分格式，适合偏微分方程的学习，是有限差分格式(this is the equetion about the partial differetial equotion)

小波分析理论与Matlab 7一书中的代码(wavelet analysis theory and Matlab 7 a code book)

小波包分解并能提取特征频段能量的完整的matlab程序(The wavelet packet decomposes and can extract the full matlab program of feature frequency energy)

Capon提出MVDR（Minimum Variance Distortionless Response）高分辩方位估计方法以来，MVDR以其简单的算法、良好的性能得到了广泛关注，是一种具有良好实用前景的数字波束形成方法。(Capon proposed MVDR (Minimum Variance Distortionless Response) high resolution DOA estimation methods since, MVDR algorithm with its easy, good performance has been widespread public concern, is a good practical prospect of digital beamforming methods.)

matlab 密码锁的实现 matlab 实现的加密，希望对大家有用啊 (The realization of the matlab combination lock matlab encryption, hope of the useful ah)

个人开发，用c++描述一种有限状态搜索机算法，根据设定的限制条件搜索满足需求的码字组合，用于搜索满足条件的ldpc码(a finite state searching program by c++)

一维定长热传导方程，时间项采用向后差分，隐式求解。(One dimensional heat conduction equation of time length, using backward difference, implicit solution. )

function for lpcc feature extractions.functions taken from voicebox toolbox

正交匹配追踪(OMP)在稀疏分解与压缩感知重构，稀疏分解先于压缩感知提出，信号稀疏表示的目的就是在给定的超完备字典中用尽可能少的原子来表示信号，可以获得信号更为简洁的表示方式，从而使我们更容易地获取信号中所蕴含的信息，更方便进一步对信号进行加工处理，如压缩、编码等。(Orthogonal Matching Pursuit (OMP) is used in sparse decomposition and compressive sensing reconstruction. Sparse decomposition is proposed prior to compressed sensing. The purpose of signal sparse representation is to represent the signal with as few atoms as possible in a given overcomplete dictionary. The more concise representation of the signal allows us to more easily obtain the information contained in the signal, making it easier to further process the signal, such as compression and coding.)

说明：  异步电动机有速度传感器矢量控制，逆变侧使用SVPWM，启动超调量约3.2%(The asynchronous motor has speed sensor vector control, the inverter side uses SVPWM, and the starting overshoot is about 3.2%)