BRIEF DESCRIPTION OF THE DRAWINGS
Exemplary embodiments of the invention are illustrated in the drawings and are explained in more detail in the following description. In the drawings:
FIG. 1 is a diagram illustrating the flicker sensitivity of the human eye;
FIG. 2 is a couple of diagrams illustrating the uniform sampling of a function x(t);
FIG. 3 is a couple of diagrams illustrating the sampling process inn the time domain and in the frequency domain;
FIG. 4 is a couple of diagrams illustrating a sampling operation with a low sampling frequency;
FIG. 5 is a couple of diagrams showing the frequency bandwidth of a base band signal and an amplitude-modulated signal;
FIG. 6 illustrates the amplitude of the function sinc(πfT) for the frequency band 0-50 Hz;
FIG. 7 illustrates the amplitude of the function sinc(πfT) for the full spectrum;
FIG. 8 represents four diagrams illustrating the method of the invention;
FIG. 9 shows an example of warning message; and
FIG. 10 shows a circuit implementation of the present invention.
Patent Application
20070172057
