快速傅里叶分析，可移植性强

ADC检测，电流检测，pir检测感应并输出电平，外接mcu检测电平后可实现pir人体感应功能(ADC detection, current detection, PIR detection of induction and output level, external MCU detection level can achieve PIR human body induction function)

说明：  实时对A/D转换数据通过串口通讯方式发送上位机，并实时显示当前下位机A/D转换值(Real time a / D conversion data is sent to the upper computer through serial communication, and the current a / D conversion value of the lower computer is displayed in real time)

扩展卡尔曼滤波在纯方位目标跟踪中的应用实例(Application of Extended Kalman Filter in Bearing-only Target Tracking)

MFC详细的学习例子，很多实例供初学者学习(MFC detailed study examples, many examples for beginners to learn)

基于STM32的液晶屏硬件显示程序，用来配套原子的液晶屏和开发板(The LCD screen hardware display program based on STM32 is used to support the atomic LCD screen and development board.)

采用多线程技术，在任务管理器上显示CPU正弦曲线，挺有意思的，《编程之美》中提到过的(Multi-threading technology, the task manager shows CPU sine curve, very interesting, " Programming of the United States" in the mentioned)

数据库结构中实验内容Binary Tree实验源代码，代码比较短(Database structure experiments Binary Tree experiment source code, the code is relatively short)

该程序简单介绍了如何创建局域网的C/S工作模式，简单可靠。(The simple procedure describes how to create LAN C/S mode, simple and reliable.)

TI关于基于DSP的旋转变压器解码原代码(TI DSP-based resolver on decoding the original code)

一个c#写的能识别四则表达式运算的程序-c# 1 was able to identify the four expressions Operational procedures