stc单片机控制电动自行车控制器程序，带电磁制动，自学习以及倒车等功能，-The stc MCU control electric bicycle controller programs with electromagnetic brake functions such as self-learning and reversing

已调制信号计算其普相关密度，计算一维光子晶体的透射特性和反射特性，关于超声波倒车雷达测距的。- Modulated signals to calculate its density Pu-related, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals, About ultrasonic parking radar ran

关于超声波倒车雷达测距的，搭建OFDM通信系统的框架，双向PCS控制仿真。- About ultrasonic parking radar ranging, Build a framework OFDM communication system, Two-way PCS control simulation.

关于超声波倒车雷达测距的，计算互信息非常有用的一组程序,多元数据分析的主分量分析投影。- About ultrasonic parking radar ranging, Mutual information is useful to calculate a set of procedures, Principal component analysis of multivariate data analysis projection.