连续信号及其Matlab实现,包括单位冲激信号,单位阶跃函数等 -Continuous signal and its Matlab to achieve, including the unit impulse signal, unit step function, etc.-Continuous signal and its Matlab implementation, including the unit impulse signal, the unit step function and so-Continuous signal and its Matlab to achieve, including the unit impulse signal, unit step function, etc.