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混凝土配合比计算程序。可根据混凝土强度得到配合比。自己编的。参考规范为2009年之前的规范。(Concrete mix calculations. Be in accordance with the ratio of concrete strength. Their series. Reference standard for the specification by 2009.)

matlab gui..................(matlab gui.........................)

短时傅立叶变换与魏格纳威尔分部相结合的时频分析算法以及自适应短时傅立叶变换( U77ED u65F6 u5085 u7ACB u53F6 u53D8 u6362 u4E0E u9B4F u683C u7EB3 u5A01 u5C14 u5206 u90E8 u76F8 u7ED3 u5408 u7684 u65F6 u9891 u5206 u6790 u7B97 u6CD5 u4EE5 u53CA u81EA u9002 u5E94 u77ED u65F6 u5085 u7ACB u53F6 u53D8 u6362)

These file contains an implementation of eigenfaces for MAtlab

说明：  采用FDTD计算2维光子晶体的散射和透射的可执行程序小软件，修改输入文件可用于光子晶体的建模和计算，比较好用(FDTD calculation using two-dimensional photonic crystal scattering and transmission of the executable program small piece of software, modify the input file can be used for modeling and calculation of photonic crystals, compare easy to use)

Monte Garlo 仿真程序，关于误码率与信噪比的对应关系，希望对大家学习有所帮助(Monte Garlo simulation program, on the bit error rate and signal to noise ratio of the corresponding relations and hopes to help them to learn)

验证企业信息中的组织机构代码的合法性，错误会提示并定位到出错的地方，可以在离开焦点时验证(organize code check)

基于高频电流注入的永磁同步电机初始角检测，具体是旋变高频电流注入。效果不错，外带相关论文几篇，很有参考意义。(The initial angle detection based on high frequency current injection of permanent magnet synchronous motor, in particular high-frequency current injection resolver. Well, take away a few relevant papers, it is very useful.)

matlab系统仿真的说明，例子多样清楚，简单易懂(system simulation matlab note, for example, clearly diverse, easy-to-read)

this is a periodogram matlab code