differentcalsiificationpalying

采用离散余弦变换DCT，通过MATLAB实现数字水印（包括水印的嵌入和盲提取）。( Uses discrete cosine transformation DCT, realizes the digital watermark through MATLAB (including watermark inserting and blind extraction). )

利用MATLAB开发的，连铸二次冷却区铸坯表面温度和中心温度的分布曲线图。可以求出所有点的温度。(Using MATLAB development, continuous casting slab of secondary cooling zone and the core temperature of the surface temperature distribution curve. The temperature of all points can be obtained.)

快速傅里叶变换在Matlab环境下的实现(Fast Fourier Transform in Matlab environment to achieve)

可进行短时平均能量，短时平均幅度，短时平均过零率，短时自相光，短时傅里叶变换的函数,使用方便，(The average energy can be short-term, short-term average rate, the average short-term zero-crossing rate, short-term autocorrelation of light, short-time Fourier transform of the function, easy to use,)

求解离散微分方程组的MATLAB 的原始方程以及程序(Original equations and procedures for solving the discrete differential equations MATLAB)

compress the watermarked audio signal with the mpeg1 codec to test the robustness input : vector representing the watermarked audio file output : vector representing the watermarked audio file compressed by the mpeg1 codec

这是一个Word版的资料，是关于Ansys动力分析的-模态分析、谱分析。对初学者很有帮助。(This is a word file. It is about dynamic analysis of Ansys question,such as modal analysis spectrum analysis and so so on ,It is very important for new learners.)

这是原始的matlab扩展有限元程序，包括裂纹，夹杂分析，简单易懂(matlab for XFEM)

这个与相应的教材相对应的matlab代码，如果有需要的可以下载，免去手动输入的麻烦(This matlab code corresponding with the corresponding textbook, if need can be downloaded, eliminating the need to manually enter the trouble)

用Lattice Boltzmann方法求解不可压缩流动的圆柱绕流问题。(By Lattice Boltzmann method for solving incompressible flow around a cylinder flows.)