Spectral-subtraction-speech-denoise

用Jacobi叠待法解线性方程组 function Jacobi(A,b,n,x0,e,N)(Jacobi method to be stacked with solving linear equations function Jacobi (A, b, n, x0, e, N))

结合实例详细介绍了各种改进的PSO算法及应用(Detail with examples of various improved PSO algorithm and application)

生成二维码和解析二维码的功能样板，具有嵌套图片，文字等个性化二维码生成器，解析二维码，抽取二维码内容(Generate two-dimensional code and two-dimensional code parsing model with nested images, text and other personalized two-dimensional code generator, two-dimensional code parsing to extract the contents of the two-dimensional code)

RELAX algorithm thank you

程序为参数寻优的集合，包含当今主流优化工具，适合初学者参考。(Program for the parameter optimization of collection, including today s mainstream optimization tool, suitable for beginners reference. )

Towards Human Exploration of Space: a EUropean Strategy

OFDM系统信道估计算法MATLAB实现，基于信噪比和误码率对LS、MMSE算法进行性能对比。(OFDM channel estimation algorithm MATLAB system, based on the signal to noise ratio and bit error rate performance comparison of LS, MMSE algorithm.)

matlab中解调谱的示例程序，操作简单，可直接复制，便于调用。(spectrum demodulation in matlab sample program, simple operation, can be directly copied, easy call.)

说明：  产生一定频率的正弦信号，并利用matlab函数加瑞利噪声和高斯噪声，模拟传输信道的衰落，最后画图对比加噪前后的信号。(Adding Rayleigh noise and Gaussian noise to a given signal)

说明：  异步电动机有速度传感器矢量控制，逆变侧使用SVPWM，启动超调量约3.2%(The asynchronous motor has speed sensor vector control, the inverter side uses SVPWM, and the starting overshoot is about 3.2%)