PID

一篇关于能量检测很经典的文章，可以在初学CR能量检测时用到。(Classic article on the energy detection of articles, energy detection can be used when CR beginner.)

互质阵MUSIC法,能够有峰值，还有复杂度分析，曲线对比等(Coprime array MUSIC method, can have a peak value, and complexity analysis, curve comparison.)

microcontroller consists of an ARM7TDMI-S CPU

HILBERT 变换的实现用于信号处理中(HILBERT realize Transform for Signal Processing)

ssd5 exercise1答案，绝对正确-ssd5 exercise1,

基于open MV的人脸检测与识别,闲来无事，兴趣为之(ji yu openMV de re lian shi bie)

说明：  51单片机简单的蜂鸣器代码，新手入坑，还有字数限制(51 MCU simple buzzer code. Novice into the pit. There are word limits.)

说明：  解决Trace的比的问题，使得它可以达到类间最大化，类内最小化。对于分类问题作用广泛(Solve the problem of Trace ratio.So that it can achieve maximum class, minimized within the class. Widely used for classification problems)

说明：  准确的世界范围的省市区，三级联动下拉选择(Accurate worldwide provinces and municipalities)

说明：  intesim建模脚本，详细介绍共享拓扑网格划分流程。(intesim software modeling script)