ex3-network

本程序为抗JPEG压缩的半脆弱性彩色图像数字水印，主要原理为DCT转换和DCT系数比较法，内含5中攻击仿真测试以及GUI界面，测试环境为MATLAB2009a，系本人2013年本科毕业设计(The procedures for the anti-JPEG compression semi-fragile color image watermarking, the main principle is the DCT transform and DCT coefficients comparative law, including five in the attack simulation testing and GUI interface, the test environment is MATLAB2009a, Department I graduated design 2013)

可以实现快速傅里叶的计算，适用于matlab环境(Calculation can achieve fast Fourier for matlab environment)

pi/4 DQPSK 系统仿真程序 pi/4 DQPSK 系统仿真程序 pi/4 DQPSK 系统仿真程序 pi/4 DQPSK 系统仿真程序 pi/4 DQPSK 系统仿真程序 pi/4 DQPSK 系统仿真程序 pi/4 DQPSK 系统仿真程序(pi/4 DQPSK system simulation program pi/4 DQPSK system simulation program pi/4 DQPSK system simulation program pi/4 DQPSK system simulation program pi/4 DQPSK system simulation program pi/4 DQPSK system simulation program pi/4 DQPSK system simulation program)

用最大似然估计训练分类器，用Train.txt里的数据进行训练，用Test.txt的数据进行性能检测(Use the maximum likelihood estimation training classifier, use the data in Train.txt to train the classifier and use the data in Test.txt to test the performance of the classifier)

信号维数的估计，使用高阶累积量对MPSK信号进行调制识别，多抽样率信号处理。( Signal dimension estimates, Using high-order cumulants of MPSK signal modulation recognition, Multirate signal processing.)

说明：  超全的模式识别Matlab源程序，涉及几乎所有常见算法，还有图形界面，可以图形显示分析结果(Ultra-wide recognition of the Matlab source code, involving almost all the common algorithms, as well as a graphical interface, you can graph display the results of the analysis)

rand, randn, randint.... you can understand my code

说明：  在simulink环境中搭建的风力机模型，能够输出风力机的功率和转矩曲线(Built environment in the simulink model of wind turbine, wind turbine output to the power and torque curves)

Gantry detector tilt correction

This function solves the boundary integral equation (2.33) in the notes by the simplest boundary element method in the 2D case (though the code applies in 3D if the function G is redefined to be the 3D Green s function).