matlab中的pn码仿真 PN码的仿真实验 pn码在通信系统中占据了重要的位置，在即将到来的3G通信中比较重要-the pn Matlab simulation code PN code simulation pn code in communications systems occupy an important location in the upcoming three G communications more important

基于stm32f10x系列单片机的电机调速实验，利用pwm做的，包括正反转，调速等，比较基础。-Matlab-based digital image processing experiments, direct gray-scale transformation program, includes image content. Has the test pass.

信号与系统；仿真；MATLAB；例子；实验；(Signal and system; simulation; MATLAB; example)