Understanding-the-SDR

创建了为主成分分析所需的数据矩阵，并通过主成分分析完成对所得数据的处理。(Analysis of the main ingredients to create the required data matrix, and principal component analysis of the data to complete the deal.)

进行傅里叶变换的详细说明，可以依据操作快速掌握福利叶变换(A detailed description of Fourier transform, can be based on the operation quickly grasp the welfare leaf transformation)

this code correct bias field of MR images

利用Kalman及EKF对两相永磁同步电机的状态进行估计。假设电机线圈电流可测，利用 EFK来估计电机的位置和转速。(Use of Kalman and EKF on two-phase permanent magnet synchronous motor of the state estimate. Assumptions motor coil current can be measured using EFK to estimate the motor position and speed.)

说明：  决定性系统中，设计一个状态观测器和反馈系统(Design a combined state observer and feedback system for the system below)

用户个人信息的设计题,将姓名,性别,生日,爱好记录在TextArea中,只是一个小程序而已.(The design problem, the personal information of the user s name, gender, birthday, interest is recorded in TextArea, only a small program. )

MUSIC算法是基于天线阵列协方差矩阵的特征分解类DOA估计算法，这里给出的是基于解相干的MUSIC算法。(MUSIC algorithm is based on the antenna array covariance matrix eigen-decomposition DOA estimation algorithm presented here is based on the MUSIC algorithm decoherence.)

说明：  灰色系统理论提出了对各子系统进行灰色关联度分析的概念，意图透过一定的方法，去寻求系统中各子系统（或因素）之间的数值关系。因此，灰色关联度分析对于一个系统发展变化态势提供了量化的度量，非常适合动态历程分析。 计算步骤 ? 确实参考数列与比较数列 ? 对参考数列与比较数列进行无量纲化处理 ? 计算关联度(The grey system theory puts forward the concept of grey relational degree analysis for each subsystem. The purpose is to find the numerical relationship among subsystems (or factors) in the system through certain methods. Therefore, the grey relational degree analysis provides a quantitative measure for the development and change of a system, which is very suitable for dynamic process analysis. Computing steps_Independent reference sequence and comparison sequence_Dimensionless processing of reference sequence and comparison sequence_Computing correlation degree)

matlab例程，非常好用，便以移植,bianyuxuexi(matlab routines, very easy to use, then to transplant, bianyuxuexi)

meshgrid method in matlab