DCT_DWT

DFT：离散傅立叶变换 符运行后得频谱图(DFT: Discrete Fourier Transform running at a frequency spectrum)

一些MATLAB应用程序，MATLAB计算机模拟(Some MATLAB application, MATLAB simulation)

本程序是圆形相控阵方向图合成，阵型位于不同坐标面上所得的方向图不同。本程序分别从阵型位于水平和竖直阵面两种情况进行仿真，结果不同。有利于初学者对相控阵方向图合成的理解和对matlab编程软件的学习。(This program is the circular phased array pattern synthesis.The direction of the circular phased array placed on the different coordinate surface of a simulation result. This program simulation points placed vertically and horizontally both cases, contribute to the understanding of phased array direction pattern synthesis and matlab programming learning.)

律u律pcm编码 若输入A律PCM编码器的正弦信号为x(t)=sin(1600πt),采样序列为x(n)=sin(0.2πn),n=0,1,2,…,10，将其进行PCM编码，求出编码器的输出码组序列y(n)。 要求：1) 直接采用A律扩展器函数求解上述问题。 2）使用13折线法近似A律PCM 求解上述问题。 3）计算量化误差。(Law a law pcm coding If the input A-law PCM encoder is sinusoidal signal x (t) = sin (1600πt), for the sample sequence x (n) = sin (0.2πn), n = 0,1,2, ..., 10, it will be PCM coding to obtain the coded output code group sequence y (n). Requirements: 1) directly A-law expander function to solve the above problems. 2) using a 13 fold line approximation A-law PCM to solve the above problems. 3) calculating the quantization error.)

说明：  异步电动机转矩与转差率之间的关系，以M文件形式编写。可用。(Slip induction motor torque and the relationship between the form of a document prepared by M. Available.)

FFT实践及频谱分析,帮助理解FFT及谐波处理的一些问题(Practice and FFT spectrum analysis, FFT and harmonic treatment to help understand some of the issues)

基于matlab的串口通信界面程序。程序中基于MatlabGUI编写了串口上位机界面，并且生成了.exe可执行文件(Matlab-based serial communication interface program. MatlabGUI based program written serial PC interface, and generates a. Exe executable file)

《MATLAB时频分析技术及其应用》源程序代码(that s a souce code of <Matlab time-frequnce analysis and application>)

实现信源编码的MATLAB仿真研究，并用GUI设计出可视化界面。(MATLAB source code to achieve simulation, and GUI design using the visual interface.)

说明：  压缩传感介绍性文章，文章详细介绍了稀疏矩阵的构建方法(an introduction to compressed sensing and the sparse matrix)