matlab键盘输入模型程序，用simulink制作。在7.0以上版本直接运行 运行过程中按一下键盘就会看到示波器上出现一个脉冲信号。-Matlab keyboarding model procedures used Simulink production. In version 7.0 to run over the course of operation under the keyboard will see what appeared on an oscilloscope pulse