fenjifenge1

A semi blind technique for estimating the carrier frequency offset in OFDM communication systems is presented in this paper. The fractional and integer frequency offsets are esti-mated by employing a few null subcarriers in the rst OFDM symbol in a frame. While the conventional null subcarrier based methods estimate the offset by a single global search, the proposed method employs a two stage estimator, which greatly minimize the computational complexity.

这是一个用matlab编写的C4.5算法的实现(this is a classification of machine learing,C4.5,using matlab)

对于数字图像等一系列处理进行系统的实验，有效提高自学者对于数字图像的能力(For digital image processing system, a series of experiments, effectively improve the scholars of digital image ability )

OFDM以SLM方法結合CES降低PAPR(OFDM PAPR reduction SLM method combined with CES)

主成分自相关系数可以进行两组对变量的偏最小二乘回归分析(Partial least squares regression analysis can be two groups of variables)

说明：  例题全部代码.薛定宇,陈阳泉.高等应用数学问题的Matlab求解.(All the code examples. Xue Dingyu, Chen Yangquan. MATLAB to solve advanced applied mathematical problems.)

回归轨道卫星，回归周期1天，倾角分别为60度，周期为4h。(Orbit satellites, one day return period, inclination of 60 degrees and a period of 4h.)

采用db4小波对是与信号进行降噪处理，实际效果良好(Using DB4 wavelet denoising is processing and signal, the actual effect is good)

说明：  可用于求解六自由度并联机器人正解的matlab程序(Matlab program that can be used to solve the forward solution of a 6-DOF parallel robot)

This package implements fast compressed sensing using structurally random matrices (SRM) described in [1] and [2]. As the package is still under development any comments or bug reports are highly welcome.