qiumianbo

说明：  逆冗余曲波变换,或者是逆冗余三角波变换，脊波变换(IRCT.m- Inverse Redundant Curvelet Transform.Its enough.no more to say)

该文件是SOM型神经网络的源程序，可基于SOM原理对数据进行分类(The document is the source of the SOM neural network data classification based on SOM principle)

Data Analysis，matlab数据分析教材，英文版本，是一本比较新的资料(Data Analysis, matlab data analysis textbook English versions, is a relatively new information)

该程序是适用于罗鹏飞主编的随机信号处理里边第八章的程序(random signalprocessing )

比率检验方法，可以对大样本的比率进行显著性检验(Ratio test method, the ratio can be conducted on a large sample significance test)

把整个频率范围中的某段重点频区局部放大，获得比整个频率范围高的频率分辨率，从而观察频谱中的细微部分(The entire frequency range of the frequency of certain key areas enlarged to obtain the entire frequency range than the high frequency resolution, and thus observe the subtle part of the spectrum)

this file is an ac to ac controller. you can control the output by adjusting the firing angle of the SCR.

固体力学的大作业，有限元法计算阶段梁，包括了计算单元应力。(Finite Element Method matlab program, an example of 1D step beam element. Including calculation of elemental stress.)

compression and decompression for image

对空间卫星、飞机等图像进行特征提取，提取的特征包括面积，周长，紧密度，及离心率(Space satellites, aircraft and other image feature extraction, the extracted features include area, perimeter, compactness, and eccentricity)