; This batch file creates a plot of the simulated signal used
; in the example from Chapter 13, "Signal Processing", of _Using IDL_.

@sigprc01                   ; include simulated signal
T = delt * FINDGEN(N)       ; vector of discrete times

; create a histogram plot of time data from t1 to t2
t1 = 1.0 
t2 = 2.0 

PLOT, T + delt/2, U, PSYM=10, $
      XRANGE=[t1,t2], XTITLE='time in seconds', $
      YTITLE='amplitude', TITLE='Portion of Sampled Time Signal u(k)'