lms

异步电动机的MATLAB仿真，根据异步电机在两相同步旋转坐标系下的数学模型, 利用SIMULINK软件包中的S函数模块和基本模块, 构建出电机的仿真模型。(MATLAB simulation of induction motor，According to the mathematical model of induction motor in the two-phase synchronous rotating coordinate system, the use of SIMULINK package S-function modules and basic modules to build the simulation model of the motor)

模糊PID控制程序，采用MATLAB编写。(Fuzzy PID control procedures, the use of MATLAB to prepare.)

BCJR译码算法的matlab源代码，附有详细注释，适合学习map算法实现。(BCJR decoding algorithm matlab source code, detailed notes, suitable for studying the map algorithm. )

This file consists matlab programs implemented in image compression in Digital image processing

Code for ECEF to GCRF coversion

arc 电弧模型库，MATLAB2013版本可以运行(The arc arc model library, MATLAB2013 version can be run)

this is simple ann code

这是用于通信系统中MIMO干扰对齐的算法，此算法通过对齐多小区干扰，提高通信系统的性能。(This is used in the MIMO communication system of interference alignment algorithm that by aligning the multi-cell interference and improve performance of the communication system.)

基于matlab的地震傅式谱编写程序，很有用的一个程序。(Fuh-based seismic spectrum matlab programming, a very useful program.)

研究表明，构成K一L变换矩阵的向量也就是ToePhtz矩阵的特征向量。与此同时，离散 余弦变换矩阵逼近于ToePutz矩阵的特征向量矩阵，所以离散余弦变换矩阵与自然图像的 K一L变换矩阵十分相似。经过离散余弦变换后的变换系数块的协方差矩阵Cy非常接近对角 阵，即除了对角线元素以外，其它很多元素都近似为0，并且在左上角集中了主要能量。这 反映了自然图像大部分区域变化不大，亮度突变只占少数，即图像能量以低频成分为主的特 性。通过变换后的量化，舍弃对视觉效果影响较小的次要信息，可达到进一步的压缩效果。 虽然从去相关性能的意义上讲，DCT是一种次于K一L变换的准最佳变换，但是从算法实现的角度来看，DCT则远远优于K一L变换。首先，当图像的分块大小确定后，DCT的变换矩阵也就随之确定了，不随输入信号的统计特性变化而变化 其次，二维DCT能够分解成两次一维DCT，有利于硬件实现。 (Studies have shown that constitute a K L transformation matrix vector is ToePhtz eigenvector of the matrix. At the same time, discrete The cosine transform matrix approximation in ToePutz matrix eigenvector matrix, so the discrete cosine transform matrix and natural images Is very similar to a K L transformation matrix. After discrete cosine transform, the transform coefficient block of Cy is very close to the diagonal of covariance matrix Matrix, namely except diagonal elements, many other elements are approximate to 0, and focused the main energy in the upper left corner. this Reflects the natural images most area changed little, brightness mutations accounted for only a few, the energy is given priority to with low frequency components of image Sex. Through quantitative after transformation, abandoning smaller effect on the visual performance of secondary information, can achieve further compression effect. Although from related to the performance of the sense, DCT is a kind o)