1- Using MATLAB plot the time domain and frequency domain response for DSB-FC signal if m(t) is sinusoidal signal with frequency fm=100 Hz and sinusoidal carrier signal with frequency of 1000Hz. Use unity amplitudes for both signals. Plot the signals for modulation index values (0.5, 1,1.5). 2- Repeat q1 for DSB-SC, and USB of SSB. Use the appropriate filter function in MATLAB. 3- For the same message signal and carrier signal values plot the time domain response for narrow band FM with B=0.2