waves

说明：  通过fft，求噪声功率谱的功率谱估计方法。(By fft, seeking the power spectrum of the noise power spectrum estimation method.)

说明：  4种光束动画,FLASH素材,FLASH源码,FLA格式(Four kinds of beam animation, FLASH material, FLASH source, FLA format)

matlab中解调谱的示例程序，操作简单，可直接复制，便于调用。(spectrum demodulation in matlab sample program, simple operation, can be directly copied, easy call.)

说明：  KNN分类练习，有100数据，进行简单的KNN练习(KNN classification exercise, 100 data, simple KNN exercise)

OFDM system implementaion

image matching相关的matlab程序，可运行，已调试(image matching procedures related to the Matlab can be run, debug)

傅里叶变换，系统信号转换有关，频域时域变换问题(Fourier transform, the system signal conversion is related to the frequency domain the domain transform)

实现2D—fft的matlab程序 以二维时间序列为基(Achieve 2D-fft matlab program)

利用wolfe算法，编写了wolfe程序模块。测试数据引用《最优化方法及其Matlab程序设计》(马昌凤编)的Armijo准则搜索例题(Use wolfe algorithm, written wolfe program modules. Test data reference " optimization methods and Matlab programming" (Ma Changfeng ed.) The search criteria examples Armijo)

piano contpue detection - image processing