k-means

dem差值计算，给定基础网格高程对相应空间迭代差值获得网格高程(dem difference calculation, given the appropriate space on the basis of the grid elevation difference of iterations to get the grid elevation)

说明：  简单的画折线功能，单击右键示图取消，按住control键重置起点。(The painting features a simple broken line, right-click Diagram canceled, hold down the control key to reset the starting point.)

PCA MATLAB程序.PCA MAATLAB程序PCA MATLAB程序. (PCA MATLAB program. PCA MAATLAB program PCA MATLAB program.)

说明：  详细的讲述了mimo 的原理 应用背景 适用范围 是英文版的(Described in detail the background mimo application of the principle of application is in English)

调幅广播数字化软件接收机，配备简单的前端即可收听数字化的调幅广播。(AM broadcasting digital software receivers equipped with a simple front can listen to digital AM broadcasting.)

RecPlayUserMemBlock 功能：双缓冲内存录、放音演示程序。 版本：Ver1.0。 (RecPlayUserMemBlock function: double-buffered memory, record, playback demo. Version: Ver1.0.)

主成分分析的c++实现使用奇异值分解svd算法(Principal Component Analysis based on svd algorithm ，used c++)

实现快速傅里叶变换，自编函数FFT.而不需使用matlab自带的FFT函数(it can realize the fast fuleir tansform)

说明：  根据波导的边界条件求取麦克斯韦方程组，对波导当中电磁波传播的模式进行仿真(strike the Maxwell s equations According to the boundary conditions of media ,simulate electromagnetic wave propagation of waveguide modes )

1. To design FIR filters in MATLAB to achieve various types of frequency selectivity, e.g., lowpass, highpass，bandpass, etc 2. To verify the frequency response of the designed filters in MATLAB 3. To implement the designed FIR filters using C6713 DSK and 4. To perform real-time testing of the performance of the designed FIR filters.