利用matlab对BPSK系统的误码率进行仿真，解压无需密码-use matlab to realize the BER of BPSK and it needn t password for extract the file

一、 利用MATLAB产生下列连续信号并作图 （1） x(t)=-2u(t-1),-1<t<5 x(t)=cos(100t)+cos(3000t),设-0.1<t<0.1-one, Using MATLAB produce the following continuous signals and mapping (1) x (t) =- u (t-1) -1