sdrtrasmit

channel estimation of ofdm using pilot based

说明：  简介卫星姿态控制系统的模型，并针对该模型分析故障发生的特点，故 障诊断的难点，以及可能发生故障的部位和故障的类型，给出故障检测的方法。(Introduction of satellite attitude control system model and the model for the analysis of the characteristics of faults, fault diagnosis of the difficulties, and possible failure location and fault type, fault detection methods are given.)

说明：  最基本的直接扩频中如何用m语言编写语句产生pn序列(generate pn sequence )

support vector classification machine ％ soft margin ％ uses "kernel.m" ％ ％ xtrain: (Ltrain,N) with Ltrain: number of points N: dimension ％ ytrain: (Ltrain,1) containing class labels (-1 or +1) ％ xrun: (Lrun,N) with Lrun: number of points N: dimension ％ atrain: alpha coefficients (from svcm_train on xtrain and ytrain) ％ btrain: offest coefficient (from svcm_train on xtrain and ytrain) ％ ％ ypred: predicted y (Lrun,1) containing class labels (-1 or +1) ％ margin: (signed) separation from the separating hyperplane (Lrun,1(support vector machine classification% s oft margin% uses "kernel.m"%% xtrain : (Ltrain, N) with Ltrain : number of points N : % ytrain dimension : (Ltrain. 1) containing class labels (-1 or 1)% xrun : (Lrun, N) with Lrun : number of points N : % atrain dimension : alpha coefficients (from svcm_train on xtrain and ytrain)% btrain : offest coefficient (from svcm_train on xtrain and ytrain)%% ypred : predicted y (Lrun. 1) containing class labels (-1 or 1)% margin : (signed) separation from the separating hyper plane (Lrun, 1)

解决一些回归问题用到的matlab程序，简短清晰，运行速度快，适用于进行数据分析。(Solve some regression problems used the matlab procedure, short and clear, fast running speed, suitable for data analysis.)

聚类算法中的启发式算法中的FEC算法，可以处理复杂网络的问题。(Clustering algorithm heuristics in the FEC algorithm can handle complex network problems.)

电能质量数据压缩，基于小波变换的（如Db3 haar）压缩(Power quality data compression, wavelet transform (such as Db3 haar) compression)

这是几个不同形状参数的广义高斯分布的密度函数作图，以及形状参数的极大似然估计的程序。(This is several different shape parameters of the generalized Gaussian distribution density function mapping, as well as the shape parameter of the great likelihood estimation procedures.)

this is extended euclid source code

灰色预测法，灰色预测使用的数据小预测精度高，(Gray prediction method, high prediction accuracy of the data small gray prediction to use,)