FPGA 电子琴音乐演奏器。使用频率计，计算音乐谱的不同发音，用蜂鸣器发音，实现音乐演奏。-FPGA keyboard music player. Frequency meter, calculate the different pronunciation of the musical spectrum, buzzer pronunciation, the music played.

Root-MUSIC，适用于DOA估计，程序简单易懂，非常适合于刚入门的同学-Root-MUSIC Algorithm

BP neural network function fitting and pattern recognition, Synthetic Aperture Radar (SAR) imaging simulation target, music higher order spectral analysis algorithm.