Abstract
A new class of digital correlators and other related instruments have been developed recently for photoelectron statistics applications. In this work we explore the possibility of using these low cost devices for analyzing trains of Barkhausen pulses. We also outline the applications of the theory of random point processes (specifically, self-exciting point processes) to Barkhausen noise. Finally, we present a new technique for exposing ferromagnetic samples to a linearly variable induction field. Our technique is fully digital and offers several advantages in terms of accuracy and reproducibility of control over the conventional tape-recorder method.
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