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

时频分析的toolbox的guide，可以用于<Matlab时频分析技术及其应用>一书-time-frequency analysis of the toolbox the guide, can be used

时频分析的toolbox的tutorial，可以用于<Matlab时频分析技术及其应用>一书-time-frequency analysis of the toolbox the tutorial, which can be used