简易的基于51单片机的示波器程序，含protues仿真图-51 simple microcontroller based oscilloscope program, including the simulation of Figure protues

下变频的各种matlab仿真程序，都是已经编译好，而且已经实现的，很方便-Down-conversion of a variety of Matlab simulation program are compiled, and has been achieved, it is convenient