puxiangguan

说明：  matlab在通信原理中的应用，信道编码RS码仿真，希望大家能用得上！(matlab in Communication Theory in the application of channel coding RS code simulation, hope that we can useful!)

说明：  加椒盐噪声，二维高斯低通滤波器，计算二维线性滤波(Add salt and pepper noise, Gaussian low-pass filter to calculate two-dimensional linear filtering)

混沌时间序列预测工具箱，包括了李雅普诺夫指数、分形纬、嵌入纬以及神经网络预测(chaotic time series forecasting tool kit, including the Lyapunov exponent, fractal-wai, Wei and embedded neural network prediction)

power_steppermotor.rar,功率电子领域matlab仿真文件，已经验证过，程序运行正常(power_steppermotor.rar,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

本例子清晰表达了傅里叶变换的基础及FFT变换的 要领，能清楚的了解FFT变换，观察频谱特征。(This example clearly expresses the foundation and essentials Fourier Transform FFT transform, can clearly understand the FFT transform, observed spectral characteristics)

基于S变换的短时电能质量扰动检测方法，从S变换的结果S模矩阵及S复矩阵中提取出所需数据并以此来对各种扰动情况下的电压暂降的幅值、相位跳变、持续时间和谐波含量进行分析(Disturbance detection method based on the results of short-term power quality S transform from S Mode S transform matrix and complex matrix S to extract the required data and use it to various disturbances in case of voltage dips in amplitude, phase jump variable, duration and content of harmonic analysis)

说明：  以二阶非线性系统为例，假设系统方程和状态方程含有高斯白噪声，通过CKF算法估计系统真实状态(Taking the second-order nonlinear system as an example, assuming that the system equation and state equation contain Gaussian white noise, the real state of the system is estimated by CKF algorithm)

包括两种算法的信道估计，lmmse和ls算法，文件还包括一个小m序列的产生函数，可以方便的产生需要的小m序列(There are two types of channel estimation algorithm, lmmse and ls algorithm, the document also includes a small m sequences and functions, can easily generate the required small m sequence)

该文件时 mimo仿真源代码，对了解整体通信有用。(The file mimo simulation source code, useful in understanding the overall communication.)

matlab的教程，例题，包括数值，符号，图像等运算及答案(matlab tutorials, sample questions, including the values, symbols, images and other computing and answers)