ETMPSLC_OFF_ALR_MATLAB

数字水印图像的攻击测试 包括滤波、剪切、添加噪声、jepg压缩攻击等等(Attack test digital watermarking images, including filtering, cropping, adding noise, jepg compression attack, etc.)

在Matlab中编写了有向图算法的调用函数(The calling function of directed graph algorithm is written in Matlab)

在MATLAB环境下，以上代码通过编译。P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理(In the MATLAB environment, the above code through the compiler. P0311: the use of Butterworth (Butterworth) low pass filter on the image noise by smoothing treatment P0312: the use of Butterworth (Butterworth) high-pass filter for sharpening images treatment)

MATLAB实现循环码的编码与解码，Cyclic code encoding and decoding based on MATLAB(Cyclic code encoding and decoding based on MATLAB)

说明：  观察数据长度N的变化对DTFT分辨率的影响 这几个程序是老师写的 对于理解DTFT有很大帮助(Effect of observation data length N on DTFT resolution These programs are written by the teacher and are very helpful for understanding DTFT.)

用贝塞尔画曲线的demo，能够控制参数，调节曲线的形式(a demo using bezier)

韦布尔分布，对数正态分布和高斯分布条件下的时频二维恒虚警处理(under the condition of Weibull, Log-normal and Gauss, Time-Frequency CFAR)

说明：  Matlab实验一 信号、系统和系统响应.实验二的补充说明.(Matlab experiment a signal system and the system response. Experiment II supplementary explanation.)

ADPCM的matlab算法，很简单，一般人都能看懂。(Matlab the ADPCM algorithm, is very simple, ordinary people can understand.)

PSK的解调第二部分，完整的参数设置.与第一部分相连接(PSK demodulator of part2 of a complete set of parameters)