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. 2014 Dec 2;109(1):125–139. doi: 10.1007/s00422-014-0639-x

Fig. 2.

Fig. 2

Nyquist rate versus information rate. The signal x1(t) depicted in part a is bandlimited as shown in part b. The sum of x1(t) with a step function lead to a signal x2(t) with infinite bandwidth as shown in part c and d