gravity_tides

generate the gaussian noise

这是一本对MATLAB函数进行说明及运用MATLABDE 一些知识的书籍(This is one pairs of MATLAB function descriptions and the use of some knowledge of books MATLABDE)

本文在分析移动无线信道衰落特性的基础上,阐述了OFDM系统的基本原理,主要研究了OFDM通信系统中的基于导频符号的信道估计问题,分析了几种经典的信道估计算法以及相关的关键技术环节。 在此基础上介绍了OFDM技术在现实中的一个应用——WLAN IEEE802.11a系统模型,利用Matlab仿真软件完成OFDM系统信号生成、噪声生成、导频插入、循环前缀、调制、解调等部分的设计,最后结合计算机仿真对系统关键技术(导频、循环前缀、估计算法)的有效性和可行性进行了全面的分析与比较。适合matlab研究(Based on the analysis of mobile channel fading characteristics based on the OFDM system on the basic principles of research in the OFDM communication system of the pilot symbols based on channel estimation problem, an analysis of several classical channel estimation algorithm and the associated key technical links. On this basis, introduced OFDM technology in a practical application- WLAN IEEE802.11a system model, using Matlab simulation software to complete OFDM signal generation, noise generation, pilot insertion, cyclic prefix, modulation, demodulation and other parts of the design, the final combination of computer simulation of the system of key technologies (pilots, cyclic prefix, it is estimated that algorithm) the effectiveness and feasibility of a comprehensive analysis and comparison. Suitable for research matlab)

color segmentation matlab code source

信号用m序列进行扩频，成型滤波和BPSK调制后经过信道发送到接收端，接收端进行解扩解调(Using m sequence spread spectrum signal, after forming filter and BPSK modulation channel is sent to the receiver, the receiver to enlarge demodulation )

用Matlab实现的人脸检测算法. Based on the paper: Face Detection using Local SMQT Features and Split Up SNoW Classifier(Face Detection algorithm for Matlab. Based on the paper: Face Detection using Local SMQT Features and Split Up SNoW Classifier)

说明：  建立包含直驱型风力发电机 、 单级式光伏发电系统和储能蓄电池的风能与光伏混合微电网模型 。 混合微电网在并网运行时 ， 通过储能蓄电池平滑风能和光伏电源的输出功率波动 ， 维持公共连接点 （PCC） 电压 ；(Building a direct drive wind turbine , Single stage photovoltaic power generation system and energy storage battery wind energy and photovoltaic hybrid microgrid model . Hybrid microgrid in grid connected operation , Smoothing the output power fluctuation of wind power and photovoltaic power supply by storage battery , Maintain common connection point (PCC) Voltage)

无线通信系统中的空时编码的仿真程序。多天线发送，多天线接受系统。衰落信道。(wireless communication systems and space-time coding the simulation program. Multi-antenna sending, receiving multiple antenna system. Fading Channel.)

周期性差分自动平滑回归模型(SARIMA)的matlab代码，附有注释(英文)。包括模型阶数的选择和预测输出以及分析用图像和MAPE评价数值。(The code for matlab code for the periodic differential automatic smoothing regression model (SARIMA) with comments (in English). Including the choice of model order and forecast output and analysis of image and MAPE evaluation values.)

基于传输矩阵法的线性啁啾光纤光栅反射谱的仿真研究( linearly chirped fiber grating reflection spectrum of the simulation based on Transfer matrix method )