MC_CDMA

正交频分复用(OFDM)是第四代移动通信的核心技术,它是实现多媒体业务发展的基础.讨论了如何利用Simulink进行OFDM系统仿真,并给出了具体的仿真模型.利用仿真模型得到OFDM差错性能分析结果,通过对结果的分析,提出了改善性能的方法. (Orthogonal frequency division multiplexing (OFDM) is the core of the fourth generation mobile communication technology, it is the basis for the development of multimedia services. Discusses how to use Simulink for OFDM system simulation, and given the specific simulation model. Using the simulation model OFDM Error Performance Analysis of the results obtained through analysis of the results, proposed to improve performance.)

Comparison of performance for 2-PPM and 2-PAM under two pulse shapes, Gaussian Pulse and Hermit Pulse with Three scenarios are considered (5, 20, and50 users).

fortran简单程序集，常用程序，适合新手学习。(fortran simple assembly, common procedures, suitable for novice to learn.)

Self organized map implementation in matlab

学习APF过程中的读书笔记和SIMULINK仿真模型(瞬时功率理论)(APF process of learning reading notes and SIMULINK simulation model (Instantaneous Power Theory))

ML与MMSE的性能比较，通过观察误码率可以发现ML的性能要比MMSE好。(Performance comparison between ML and MMSE.)

说明：  自抗扰控制算法，适合初学者，算法简单，包括跟踪微分器，扩张状态观测器，非线性误差反馈率(Active disturbance rejection control algorithm, suitable for beginners, simple algorithm, including tracking differentiator, extended state observer, nonlinear error feedback rate)

系统辨识，最小二乘法matlab仿真程序，非常实用(System identification, least squares matlab simulation program, very useful)

该程序是MATLAB源程序，通过区域生长来对图像进行分割。(MATLAB source code of the program is through the growth to the region segmentation of images.)

根据手机号码判断城市，需要手机号码7字段对应城市的信息。(According to cell phone number to determine the city, needed a mobile phone number 7 corresponds to the city' s information field.)