matlab(zhong)

说明：  this file is about risk managment in marketing....

Modulaç ã o AM Simulink

BP神经网络预测数据，matlab实现。(BP(ANN)relize forecasts data,matlab.)

DCT给灰度图像加二值的水印信息，运行显示四幅图，分别是原图像，水印图像，加水印的图像和提取的水印图像(DCT to gray image plus two watermark values, run the show four maps are the original image, watermark image, add watermark image and extracted watermark image)

LDPC译码仿真实验 程序代码 simulingk仿真(LDPC decoder simulation simulation code simulingk)

说明：  改进欧拉法的matlab程序，并且其中有一个例子(Improved Euler method matlab program, and an example)

说明：  一阶微分算子 一阶微分算子常用的有 roberts 算子、sobel 算子和 prewitt 算子(First-order differential operators of first-order differential operator used the roberts operator, sobel operator and prewitt operator)

MATLAB画图结构源程序，画二维图像源程序(MATLAB source structure drawing, painting a two-dimensional image source)

说明：  matlab中的傅里叶变换，线性卷积，循环卷积，在基带等效信号加高斯白噪声信道模型下，BPSK,QPSK,QAM等调制解调的误码率计算。(Do not call any function in the case, resulting in [0,1]uniform distribution of interval random variable matlab program.)

matlab有限元结构动力分析与工程应用 第4章源程序(matlab finite element structural dynamic analysis and engineering applications Chapter 4 source)