gm21

主要用途是对抗多径衰落。由于多径衰落的存在，使得同一个帧由于路径不同，到达用户端的时延有先有后。在相关的频域上的会造成子载波之间的相互干扰，影响 性能。另外，由于有了循环前缀，使得IFFT FFT操作把原来的线性卷积变成循环卷积，大大简化了相应的信号处理复杂度(The main purpose is to fight against multipath fading. Due to the presence of multipath fading, the first after they have the same frame different paths to reach the client delay. Would cause mutual interference between sub-carriers in the frequency domain, affecting performance. In addition, thanks to the cyclic prefix, so IFFT FFT operation to the linear convolution of the original into a circular convolution, greatly simplifying the corresponding signal processing complexity)

帮助大家学习matlab和mathmatica(help you learn matlab)

Least squares solution of Ax=b.

利用matlab进行图形的二维傅里叶变换(Using matlab graphical two-dimensional Fourier transform)

说明：  matlab编译知道，包括matlab的很多编译器(Matlab Compiler 4 Guide)

Test of Object Tracking

说明：  应用MATLAB进行维特比译码，这对仿真很有用(Application of MATLAB to carry out Viterbi Decoder, which is useful in simulation)

利用duffing振子检测微弱信号频率的matlab程序。可以检测与周期策动力频率相差0.03之内的微弱信号频率。信噪比达到-68db(use Duffing oscillator frequency detection of weak signals in Matlab procedures. Can be detected with the cycle driven frequency difference of 0.03 within the weak signal frequency. Signal-to-noise ratio-68db)

4QAM modulation using BERTOOL

MATLAB 常用函数参考，对学校matlab学习帮助较大，快速掌握常用函数功能(MATLAB functions used for reference in school to learn matlab help large, frequently used functions quickly master the function of)