;  $Id: //depot/idl/IDL_71/idldir/examples/doc/signal/sigprc01#1 $

;  Copyright (c) 2005-2009, ITT Visual Information Solutions. All
;       rights reserved.
; 
; This batch file creates simulated signals.

N = 1024                      ; number of time samples in data set
delt = 0.02                   ; sampling interval in seconds

; Simulated signals.
U = -0.3 $                                    ;  DC component
   + 1.0 * Sin(2*!Pi* 2.8 *delt*FIndGen(N)) $ ;  2.8  c/s component
   + 1.0 * Sin(2*!Pi* 6.25*delt*FIndGen(N)) $ ;  6.25 c/s component
   + 1.0 * Sin(2*!Pi*11.0 *delt*FIndGen(N))   ; 11.0  c/s component
