DSP_using_MATLAB_LiuShutang

利用matlab的数值计算方法，主要针对数值计算领域。(Numerical method using matlab, mainly for numerical computing.)

用镜像矩阵求出矩阵的QR分解（正交三角分解），并求解线性方程组，该方法不必选主元，但其计算过程非常稳定。也可用于求矩阵的广义逆和求解线性最小二乘问题。子过程QRDCMP用镜像矩阵求m*n矩阵A的QR分解，A=Q^TR,其中Q是m*m正交矩阵，R为m*n上三角矩阵；子过程QRBKSB用矩阵的QR分解求解线性方程组Ax=b，其中A为n阶非奇异方阵。(Matrix obtained with the mirror matrix QR decomposition (orthogonal triangular decomposition), and solving linear equations, the method does not have to choose the main element, but its calculation process is very stable. Can also be used to find the generalized inverse matrix and solving linear least squares problems. Sub-process of the mirror matrix QRDCMP m* n matrix A QR decomposition, A = Q ^ TR, wherein Q is a m* m orthogonal matrix, R is m* n upper triangular matrix subprocess QRBKSB a QR decomposition to solve the matrix linear equations Ax = b, where A is non-singular square matrix of order n.)

基于Mcrochip的PMSM滑模观测器FOC控制(FOC PMSM control sliding mode observer)

16-QAM MODULATIONTECHNIQUE USED FOR OFDM SYSTEM (orthogonal frequency division multiplexing)

说明：  matlab编写的训练som自组织特征映射神经网络的源代码。(Matlab prepared by the training som self-organizing feature map neural network source.)

说明：  小波，功能分析，主要是图形分析方面，还可以图形压缩(matlab)

多进制PSK调制的matlab实现程序，能过实现M进制的psk调制(Ary PSK modulation matlab implementation program that can achieve over the psk M-ary modulation)

产生任意相关系数的多路高斯分布的噪声，用于模拟信号处理的噪声环境。(Generate multiple channals of noise with arbitrary cross-correlation coefficient )

论述了MALAB仿真的一系列经常遇到的基本知识及难题，是这方面的经典书籍(Discusses the simulation MALAB often encountered in a series of basic knowledge and problems, is a classic book in this area)

在matlab中编程实现求解二维抛物线方程的程序TDE。(Programming in matlab program for solving two-dimensional parabolic equation TDE.)