JIANGZUO

• To design a GUI in MATLAB for Dual-Tone Multi-Frequency (DTMF) telephone key pad, including DTMF Signal generator and DTMF tone detector • To simulate the DTMF signals with noise based on the specifications given. • To decode and display the DTMF signals by using FFT algorithm

说明：  MATLAB的诸多例题和解法，对于matlab基础学习和指导很有用。多大上百例题。(Example and solution of many MATLAB for matlab-based learning and guidance very useful. How hundreds of Example.)

这个代码可以画出一个具有一定倾角的规则长城(This code can draw a certain angle with the rules of the Great Wall)

三维直角坐标系FDTD应用UPML吸收边界条件，激励源为高斯脉冲(Three-dimensional Cartesian coordinate system FDTD application UPML absorbing boundary conditions, excitation source for the Gaussian pulse)

an example of inverter with simulink

解线性方程组的直接法（标准数值算法），包括高斯消去法程序、列主元高斯消去法程序、LU分解以及用LU分解求线性方程组、Cholesky分解以及用Cholesky分解求线性方程组、改进的Cholesky分解以及用改进的Cholesky分解求线性方程组、解三对角方程的追赶法。全部为本人原创程序，且全部经过测试无误。共9个MATLAB程序。程序内部含详细注释。(Solving linear equations of the direct method (standard numerical algorithms), including Gaussian elimination procedure, the column pivot Gaussian elimination procedure, LU decomposition and the use of linear equations, LU decomposition, Cholesky decomposition, and find line with the Cholesky decomposition linear equations, Cholesky decomposition and improved using the improved Cholesky decomposition of linear equations, solution of tridiagonal equations pursuit method. All of my original program, and all tested correctly. A total of nine MATLAB. Internal procedures with detailed notes.)

二维傅里叶变换进行雷达信号处理，获取距离-速度二维频谱。(Two-dimensional Fourier transform for radar signal processing, the distance- speed, two-dimensional spectrum.)

matlab仿真的GPS信号捕获程序，相关及非相关累积算法(matlab simulation of the GPS signal acquisition process, relevant and non-related accumulation algorithm)

基于灰度梯度最大熵的分割方法，先通过聚类进行改进做初分割然后再进行细分割。(Segmentation of gray gradient based on maximum entropy, first through the clustering is improved. At first, then the fine segmentation segmentation.)

Null Steering Broadside Beam former自适应波束成形，使用了干扰零陷的方法。程序注释非常详细，每句语句都对应了算法的基本原理，保证可以读懂，程序运行结果正确明了(Null Steering Broadside Beam former adaptive beam forming, the use of interference nulling method. Program notes are very detailed and end of each statement corresponds to the basic principle of the algorithm to ensure that you can read, the program runs correctly understand the results)