Watermarking

function [g, badg] = numgrad(fcn,x,varargin)

breast cancer detection

这是对线性调频信号的MATLAB仿真代码及代码跑出后的图，绝对真实无差错(Emulation of LFM signal)

说明：  关于MLS的算法之类的课件 总结性强 可以参考(about MLS algrathem)

nonlinear system with inknown inputs : matlab code for real system

ssm in sine wave modulation

说明：  局域世界模型，复杂网络的多局域世界网络模型(multi-local world model complex network theory)

面阵的幅度相位全控制自适应数字波束形成算法——对角加载 QRD-SMI 算法的研究；两种面阵唯相位(Phase-Only)数字波束形成算法——小相 位扰动约束算法和期望方向增益最大约束算法的研究；面阵的数字多波束形成算法——二维 FFT 多波束的研究，以及 FFT 在可编程逻辑器件中的实现。 (Research of the adaptive digital beamforming algorithm, which control both amplitude and phase of each array element: diagonal loading QRD-SMI algorithm. ② Research of two Phase-Only DBF algorithms: small phase perturbation restriction algorithm and maximum gain of the expected direction restriction algorithm. ③ Research of multiple beams algorithm for planar array: 2D-FFT multiple beams. And the realization of FFT with CPLD. )

用matlab对wav文件采用不同的方式读取（wavread和fopen），并对其进行低通滤波处理。滤波用的fir直接型低通滤波器(to read the wav file in different ways with Matlab (wavread, and fopen), and then low-pass filtering. the low-pass filter is direct_type FIR filter )

说明：  bp神经网络用于回归的matlab程序，修改数值就可适用(bp neural network for regression matlab procedures can modify the application of numerical)