A simple analyser capable of portraying the cumulative probability distribution of random and deterministic signals is described. The instrument uses standard analogue computing elements and examples are shown of its application to a variety of signals.

The turbulent diffusion equation is solved by means of a hybrid simulation approach. The wind velocity profile and eddy diffusivities which appear in the general diffusion equation are assumed to be function of height only. The simulation technique to solve the general diffusion equation is...

With the initiation of nuclear reactor design and construction in Finland, a general purpose precision electronic analog computer becomes a valuable development and training tool. The design and construction of the nucleus of an analog facility on a small equipment budget is described. The...

Many problems of engineering are described only by great non-linear systems of differential equations. Their equations often have a similar structure. Usually such problems cannot be solved by an analogue computer because the capacity of such a computer is too limited. In this paper an iterative...