chap9_1

matlab 下的协作分集和各种方案性能比较(cooperative diversity)

MATLAB 牛顿下山法的一个小程序，原理就不详细说了。因牛顿迭代法受初值选取的限制，为防止迭代发散，对迭代过程再附加一项要求:|f(x(k+1))|<|f(x(k))|,将牛顿法迭代的结果:x(k+1) =x(k)-f(x(k))/f (x(k))和前一近似值x(k)适当加权平均做为新的改进值:x(k+1)=u*x(k+1) +(1-u)*x(k),其中u(0<> 迭代时u取1开始，逐次减半计算，直至附加要求符合为止。实例计算中x(k)=x(0)不变，只更新u和x(k+1)，直至:|f(x(k+1))|<|f(x(k))|（即|f(x(1))|<|f(x(0))|)，然后更新下山因子为u=1,继续以牛顿法迭代。(MATLAB Newton-down a small program, the principle is not explained in detail. Newton iteration by the initial value of the selected limit, in order to prevent additional iterative divergence, the iterative process a request: | f (x (k+1)) | < | f (x (k)) | Newton iteration Results: x (k+1) ' = X (k)-f (x (k))/f' (x (k)) and a previous approximation x (k), appropriately weighted average as a new improved value: x (k+1 ) = u* x (k+1) ' + (1-u)* x (k), where u (0 < u> iteration take successive calculated at 50 until the additional requirements found so far. examples of calculation of X ( k) = x (0) unchanged profile u and x (k+1, hungry) until: | f (x (k+1)) | < | f (x (k)) | (i.e. | f (x (1)) | < | f (x (0)) |), then profile downhill factor for u = 1, to continue to Newton iteration.)

本书全面系统地介绍了DSP芯片的基本原理、开发和应用。首先，介绍了目前广泛使用的DSP 芯片的基本结构和特征，定点和浮点DSP处理中的一些关键问题。然后，对用C 语言和MATLAB 语言进行DSP算法的模拟进行了介绍。(This book a comprehensive and systematic introduction to the basic principles of DSP chips, the development and application. First of all, on current DSP chips are widely used in the basic structure and characteristics of fixed-point and floating-point DSP to deal with some of the key issues. Then, using C language and MATLAB language for DSP algorithm simulation are introduced.)

本程序用于测量增强语音与纯净语音的对数谱距离，用于语音增强。对数谱距离越小，表明增强语音与纯净语音越接近，增强语音质量越好；反之，则增强语音质量越差。(Calculates the average log-spectral distance between CLEAN and NOISY signals. Frames are 25ms long with 60 percent (15ms) overlap, hamming windowed. RS is the remove silence option (default: 0) if 1, the program uses a Voice Activity Detector to find non-speech frames and eliminates them from calculation of LSD. FS is the sampling frequency (Default 10KHz). )

Cours de Matlab tres bon ource

一种常用的关于信号稀疏度测试的指标，值得拥有。(A commonly used test for signal sparsity indicators, worth having.)

it is a book for learning practical genetic algorithm in matlab

医学仪器课程做的CT成像原理——radon变换(medical equipment courses do CT imaging principle-- in Chinese Transform)

motor simulations in matlab output

用于产生正弦波数据文件。在matlab环境下使用。希望对你有所帮助(Used to generate the sine wave data file. Matlab environment. I hope for your help)