www.pudn.com > MATLAB.rar > Ondita_Basica.m, change:2012-08-27,size:1883b


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% 
%   Archivo: Ondita_Basica.m 
% 
%   function Ondita_Basica 
% 
%   Autor: ROUX, Federico G. (rouxfederico@gmail.com) 
% 
%   Profesor: PESSANA, Franco 
%   Procesamiento Digital de Señales(PDS) 
%   Departamento de Ing.Electrónica. 
%   Facultad Buenos Aires 
%   Universidad Tecnológica Nacional 
% 
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function [w t] = Ondita_Basica(a, b, f0, fm, N, Fs) 
 
    Ts = 1/Fs;                                                          % Frecuencia de muestreo 
 
    t = 0:(N - 1);                                                      % Array de nro. de muestras 
    t = t * Ts;                                                         % Escalo el array en tiempo 
    t = t - b;                                                          % Inicio el array en t0 
    t = t / a;                                                          % Escalo el array con el factor "a" 
     
    fmod = mySin(1, f0, 0, N, Fs);                                      % Señal modulante 
     
    w0 = 2*pi*f0;                                                       % Frecuencia básica de la sinc 
         
    k0 = w0 / (pi * Fs);                                                % Constante de amplitud 
     
    w = mySinc(k0, f0, b/a, N, Fs * a);                                   % Calculo la sinc 
     
    w = w .* fmod;                                                      % Multiplico por la frecuencia de modulación 
     
    w_sum = sum(w);                                                     % Calculo el área bajo la curva 
    w = w/w_sum;                                                        % Y la normalizo a uno 
end