Block_5_1

使用matlab来实现直接序列扩频的调制和解调(Using matlab to achieve direct sequence spread spectrum modulation and demodulation)

16v280柴油机活塞连杆作用力与反作用力的计算matlab程序(16v280 diesel engine piston connecting rod action and reaction calculation matlab program)

该文档详细介绍了4G LTE下的MIMO OFDM的工作原理(very good document for get knowledge of 4G MIMO OFDM)

GM(1,1)灰色预测的matlab的.m文件，可以直接使用。(GM (1,1) in matlab forecasts gray. M files can be used directly.)

说明：  用S变换对电压暂降进行检测，得到基频幅值，相位跳变，突变点，谐波检测，频率幅值包络线等特征量(The S-transform is used to detect the voltage sag, and the characteristic parameters such as fundamental frequency amplitude, phase jump, mutation point, harmonic detection, frequency amplitude envelope are obtained)

统计分析用的一些常用方法，比如回归、聚类、主成分分析、线性回归等的matlab程序(Some commonly used statistical analysis methods, such as regression, clustering, principal component analysis, linear regression of the matlab program)

Lte fundamentals and mathematical algorithms

电子与电气工程丛书：＜通信系统仿真原理与无线应用＞书的程序源代码，有助于理解书中的内容(Electronic and Electrical Engineering Series : "Communication System Simulation Principle and wireless applications" on the program source code, contribute to the understanding of the contents of the book)

如何检测数据是否服从正态分布，kstest检测。(How to detect whether the data follow a normal distribution, kstest testing.)

包含在word中提到的大部分同步算法，包括时间和频率同步(It contains most of the synchronization algorithm in the word mentioned, including time and frequency synchronization)