OFDM_16QAM2

一个用matlab编写的最近邻插值法求图像的范大于缩小的小程序(Matlab prepared using a nearest neighbor interpolation for images larger than narrow the scope of small programs)

This is an essential guide for power grad students

last som methods for clustering hope usefull

图像特征提取的总结，用MATLAB模糊聚类算法进行图像分割，阀值分割及特征提取的资料和作业。(Summary of the image feature extraction, fuzzy clustering algorithm using MATLAB for image segmentation, threshold segmentation and feature extraction of data and operations.)

matlab codes for some programms

说明：  matlab用的惯性导航工具箱，用来实现算法仿真。(Matlab toolbox with inertial navigation, used to realize the algorithm simulation.)

说明：  matlab潮流计算，利用牛顿法计算线路潮流，各位大神进来指点(Matlab power flow calculation, using Newton method to calculate line power flow, you gods come in and give advice)

说明：  利用LSSVM对数据进行训练，然后可以进行分类和预测，包括LSSVM工具箱。(LSSVM is used to train the data, and then classification and prediction can be carried out, including the LSSVM toolbox.)

LDPC(Low-density-parity-check，低密度奇偶校验)码是一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低，结构灵活，是近年信道编码领域的研究热点(LDPC (Low-density-parity-check, low-density parity check) codes are a class of sparse check matrix of linear block codes, is not only good performance approaching Shannon limit, and the decoding complexity low, flexible structure , the field of channel coding in recent years the research focus)

说明：  简要介绍了认知无线电中基于能量检测的频谱感知方法,在分析能量检测法原理和性能基础上,研究了噪声的不确定性对检测性能的影响. 仿真表明,能量检测法是一种简单、有效的频谱感知方法.(A brief introduction of cognitive radio spectrum sensing based on energy detection method, the analysis and performance of energy detection principle, based on the uncertainty of the noise effect on detection performance. Simulations show that the energy detection method is a simple, effective spectrum sensing method.)