isentropic_vortex

改程序实现QPSK系统的性能仿真，仿真与理论相符，供大家参考。(QPSK System Simulation, Pe evaluation)

Trigonometric functions using MATLAB to achieve power spectral analysis

基于全局图像信息的图像分割代码。matlab(image segmentation matlab code based on image globle information)

matlab环境，瑞利信道下mimo无线通信系统的仿真，包括原始的单入单出siso,到单入双出sido，到单入多处simo,到mimo系统中垂直分层空时码vblast的误码率仿真曲线。(Matlab environment, Rayleigh Channel mimo wireless communication system simulation, including the original single-input single-output siso, single-and double-sido to multiple single-simo, mimo system of vertical layered space-time codes vblast BER simulation curve.)

This program is testing the function

使用遗传算法求最优值 带有详细的讲解 并附有测试函数 (The use of genetic algorithms for optimal value with a detailed explanation)

3G系统中，利用扩频技术来扩频的代码。即为PN码产生器的程序代码。(The code of PN generate for spread spectrum tecnology.)

包含了目前常用的各种重采样算法的matlab代码，可直接在滤波算法中调用，不用修改。(Contains a variety of currently used resampling algorithm matlab code, can be directly in the filtering algorithm in the call, need not be amended.)

B-M算法的实现，求出产生M序列的最短LFSR的联接多项式，调试成功，可以运行(BM algorithm, find the shortest LFSR sequence generated M join polynomials, debug successfully, you can run)

信号的频谱分析函数，输入复信号，fft的长度和Fs，可以直接输出信号频谱图。(Signal spectrum analysis function, the input complex signal, fft length and Fs, can be directly output signal spectrum.)