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This paper addresses the problem of an efficient dispatch mechanism in an object-oriented system with multiple inheritance. The solution suggested is a direct table indexed branch such as is used in C++. The table slot assignments are made using a coloring algorithm. The method is applicable to strongly typed languages such as C++ (with multiple inheritance added) and Eiffcl, and in a slightly slower form to less strongly typed languages like Objective C.

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Electromagnetic radiation in the form of atmospheric radio waves (or sferics) originate from power system apparatus when transient fault currents are present. This paper discusses research conducted into the reception of these events using purpose-built VLF and VHF monitoring equipment. Experience in the use of the monitoring equipment is described and typical results presented. Results of sferic propagation tests are given and current understanding of the sferic generation process is given. The paper concludes with a discussion on the potential of this technique for fault location

Previous investigations of noise in mutually synchronized coupled-oscillator systems are extended to include the effects of phase noise introduced by externally injected signals. The analysis is developed for arbitrarily coupled arrays and an arbitrary collection of coherent injected signals, and is illustrated with the specific case of linear chains of nearest neighbor coupled oscillators either globally locked (locking signal applied to each array element) or with the locking signal applied to a single-array element. It is shown that the general behavior is qualitatively similar to a single injection-locked oscillator, with the output noise tracking the injected noise near the carrier, and returning to the free-running array noise far from the carrier, with intermediate behavior significantly influenced by the number of array elements and injection strength. The theory is validated using a five-element GaAs MESFET oscillator array operating at X-band.