main_spl

该程序可以计算出混沌系统的李亚普诺夫指数，根据其大小，判断其状态(The program can calculate the Lyapunov index chaotic system, according to their size, to determine its status)

pcm编解码模型，测试指定误码条件下PCM解码语音信号的音质和可懂度(pcm codec model, sound quality and intelligibility test conditions specified BER PCM decoded speech signal)

数模MATLAB的写作书籍，关于美赛论文的写作论文，还有matlab的使用操作(writing，math，and MATLAB，and learn some knowledge by yourself)

88E1111S 88E1118R circuit application

说明：  基于GUI界面的matlab演示程序，从简单的学起，从友好的交互页面学起。(GUI-based interface matlab demo program, from simple to learn, from the friendly and interactive pages to learn.)

ofdm系统的基本系统图仿真，包括调制，IFFT，解调，FFT等(The basic system diagram ofdm system simulation, including the modulation, IFFT, demodulation, FFT, etc.)

瑞利分布的气象雷达回波，时频分析，功率谱密度，频谱分布。(Rayleigh distribution of meteorological radar echo time-frequency analysis, power spectral density, spectral distribution.)

利用matlab仿真实现在不同信道下使用不同的分集算法，以及使用不同的分集数，观察信噪比和误码率的关系，得出结论，体会分级的效果(Simulation using matlab to use different channels in different sub-set algorithm, and the use of different sub-set of the number of observed signal to noise ratio and bit error rate, concluded that the effect of experience rating)

以实际应用中的一些具体问题为基础，详细介绍多种情况下MATLAB的使用方法(Based on some specific issues of practical applications,introduce how to use MATLAB in many cases.)

BER for BPSK modulation with Alamouti STBC