DVB_T_energy

该程序包是各向异性扩散的MATLAB程序，经过测试，绝对好用的(The package is the anisotropic diffusion of the MATLAB program, tested, absolutely easy to use)

说明：  用matlab实现的稀疏字典学习算法，可以用于图像去噪、图像分类、图像识别等(Sparse dictionary learning algorithm implemented by Matlab can be used for image denoising, image classification, image recognition and so on.)

在matlab中应用牛顿切线法和割线法求解一元多次方程。具体详见压缩包中说明文档。(Apply Newton tangent and secant method to solve unitary multiple order functions in matlab. Please read the readme document in the zip file.)

说明：  图像的加密与解密，非常好的一个例子，可以学到不少的好东西。。(Image encryption and decryption, a very good example, can learn a lot of good things. .)

this file is useful in finding snr ratio

用MATLAB 实现直接求解线性方程 Direct method for solving linear equations(Solving linear equations Direct method for solving linear equations using MATLAB to achieve direct)

对眼电图、心电图以及正玄函数的图像进行峰值提取(Cross-eyed emg), electrocardiogram (ecg) and peak is xuan function image are extracted )

几个地震勘探用的雷克子波小程序，有正常相位以及最小相位的子波。(Several seismic waves used Leike Zi applet, a normal phase and minimum phase wavelet.)

计算夫琅禾费单缝衍射的强度和条纹的代码，对于学习物理光学和做模拟波动光学的人，非常有用。(calculate Fraunhofer single-slit diffraction intensity and stripe . It is useful for study of physical optics and wave optics simulation. )

说明：  用于波束成形的matlab代码，主要思想是用DFT码本实现(A large number of antennas are arranged at the base station of the system, and then the signals from different directions are weighted by beamforming preprocessing. After that, the power of each signal can be concentrated in a certain beam space for transmission,)