wavelet

This is useful document for femtocell network

最近交互式电源技术，软交换、同步整流、频率固定(Alternating expressions Power technology recently、Softswitch, synchronous rectification, fixed frequency)

SIFT算法的改进加速版本SURF算法，matlab源代码，有测试图片(SIFT algorithm to improve the accelerated version of SURF algorithm, matlab source code, test picture)

matlab 模拟退火经典程序，简单但实用，能很好的理解模拟退，里面还有一个无约束优化的例子(matlab classical simulated annealing procedure, a simple but practical, a good understanding of simulation can retire, which have an example of unconstrained optimization)

谱聚类和SVM相结合的图像分割程序,这是用matlab编的谱聚类程序，该方法能有效的用于数据分类。(This is a matlab procedures for the spectral clustering.The method is effective for data classification.)

基于MATPOWER修改而成的潮流计算软件，可以采用直流潮流法、牛顿拉夫逊法、PQ分解法与高斯－塞代尔法解算IEEE9-300节点的潮流。 (MATPOWER modifications made based on the flow calculation software, DC power flow method can be used Newton Raphson method, PQ decomposition method and the Gauss- Cypriot dayr Act solver IEEE9-300 nodes trend.)

channel estimation in OFDM system

批量数据处理，内含有非线性拟合代码、数据拟合、非线性拟合、非线性回归分析(Matlab batch data processing Matlab general nonlinear fitting code, data fitting, nonlinear fitting, nonlinear regression analysis )

这是接着上一次的一些大家很可能用到的聚类分析方法，有PCA等，希望能给大家一些帮助。(then this is the last time some people may use the cluster analysis method, PCA. I hope that it provides some help.)

Matlab实现模糊控制与传统PI控制比较后证明模糊控制修正优于PI控制( Input X: 2 membership functions, Y: 2 membership functions Output U: 3 membership functions)(Matlab fuzzy control with conventional PI control proved that the fuzzy control correction is superior to PI control (Input X: 2 membership functions, Y: 2 membership functions Output U: 3 membership functions))