一个可用的自然梯度算法matlab源程序

将格式为rgb的数字图像转换成格式为hsi的数字图像，方便简单，操作容易(change rgb image into hsi image)

矢双谱的处理方法。方便快捷的更有效的方便信号处理(Vector processing method bispectrum. More convenient and effective to facilitate the signal processing)

To calculate the Bit Error Rate (BER)of AWGN channel for a given range of SNR in MATLAB

数学的相关资料，刘炳初等_《泛函分析》第二版课后习题答案。(Mathematical information, Liu Bing primary _ the second edition of the functional analysis the solutions after class. )

一维信号小波去噪，运用硬、软阈值进行去噪(One-dimensional signal wavelet de-noising, the use of hard and soft threshold de-noising)

三相PLL锁相环的闭环系统仿真模型，仿真并分析三相输入信号包含谐波、不平衡、负序和直流偏移时锁相环的锁相结果(Closed-loop system simulation model of three-phase PLL phase-locked loop,Simulation and analysis of phase-locked loop results when three-phase input signals include harmonics, unbalance, negative sequence and DC offset)

matlab的GUI开发，对于matlab学习非常有用！(GUI development of matlab)

说明：  很全的MATLAB6.x 符号运算及其应用 (MATLAB6.x very symbol of the whole operation and its application)

直接序列扩频就是直接用具有高码率的扩频码序列在发端去扩展信号的频谱。而在收端，用相同的扩频码序列去进行解扩还原成原始的信息。(Direct Sequence Spread Spectrum is the direct use of the spreading code sequence with a high rate in the originator to expand the spectrum of the signal. Receiving end, using the same spreading code sequence to despread the broadening of the spread spectrum signal to restore the original information.)

multi user mimo matlab code