NK12---1000

信号与系统第二版作者是Steven T. Karris。全书分为基本信号表述，拉普拉斯变换，反拉普拉斯变换，电路分析，脉冲响应等章节。(Signals and Systems 2nd edition written by Steven T. Karris. The book is divided into basic signal representation, Laplace transform, anti-Laplace transform, circuit analysis, impulse response and other sections.)

this is a codeto detect voice or unvoice specch

模拟光场成像MATLAB 利用光场成像原理对图片模拟(light field,Simulated optical field imaging, Using the principle of optical field imaging to simulate the picture)

模糊神经网络的源代码，最近在学习这方面的知识，共享一下，初学者可以看看(Fuzzy neural network source code)

矩量法计算二维圆柱体散射，通过比较波长与半径比值，分析雷达散射截面结果变化。(The method of moment method is used to calculate the scattering of two-dimensional cylinder. The ratio of wavelength and radius is analyzed.)

对一幅图像的频谱进行频率位移，移到窗口中央，并显示出频率变换后的频谱图(The frequency spectrum of the image frequency shift, to move the central window, and shows the spectrum after the frequency conversion)

full implementation to LDA with Minumum distance Classifier for face recognition and easy to implement.

针对三阶包氏混沌系统，刻画系统李雅普诺夫指数谱。改程序采用雅可比矩阵法，运算速度快捷。Bao chaotic system Lyapunov exponent spectrum(system, describe the system of Lee Yap Andrianof spectrum index. Change the program using the Jacobi matrix method, fast calculation speed.)

说明：  Fast_Infogram MATLAMB程序，包含时域谱负熵、频域谱负熵和平均谱负熵(Fast_Infogram MATLAMB program, including time-domain spectral negativity, frequency-domain spectral negativity and average spectral negativity)

cdma based congnitive radio application over power allocation.