delsig

说明：  ：针对MP3 编码方式和帧结构进行分析，利用帧中的比例因子提出了一种压缩域水印算法。算法通过引入帧变化分析步 骤，很好地实现了水印的自适应嵌入。对于不同的系统要求，还可以通过修改门限信噪比的值SNRlim按需进行水印嵌入，使算法 具有更大灵活性。同时在牺牲一定的嵌入空间前提下，实现了水印信息的自同步。实验表明，对于不同风格的音乐，该水印算法 具有很好的不可听性。(In this paper，the encoding method and the frame structure of MP3 are expounded in detail，a watermark algorithm is proposed based on the scale factor in MP3 frame.By introducing the step of frame altering analysis，the algorithm can realize that watermarks is embedded adaptively.By modifying threshold SNRlim（the ratio of signal to noise），the algorithm can meet different requirements of some system，that is what enable the algorithm to have a bigger flexibility.Based on expense of some embedding positions，the watermark can be embedded with self-synchronization.The experiment results show this algorithm can get a good audio effect with various types of audio.)

经验模态安装工具包，方便好用，大家学学吧(emd empirical mode toolkit)

在能源行业做有源电力滤波时主管推荐的参考文章，很有价值，值得分享。(Executives in the energy industry to do active power filter when recommended reference articles, valuable, worth sharing.)

Store contains 48 * 48 blackbody, including English and Japanese alphanumeric characters, special symbols(Store contains 48* 48 blackbody, including English and Japanese alphanumeric characters, special symbols)

说明：  LASSO算法的MATLAB资料，对于数学建模很有帮助。(LASSO algorithm based on MATLAB. It is very useful for mathematical modeling.)

毕业论文-数字滤波器设计 （详细讲解各种滤波器）(Thesis- digital filter design (explained in detail the various filters))

说明：  用来进行温湿度反演的前期工作，标准大气吸收模型，权重函数，(temperature and humidity retrieval, standard atmospheric aabsorbtion model )

this is a array test code running on windows

Practical Matlab experiment for Series Resonamce

数字信号处理 实验3 matlab代码 东南大学(Digital Signal Processing Experiment 3 matlab code Southeast University)