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Abstract: In this paper, gain is enhanced by the introduction of step taper towards the end of a folded wave-guide slow wave structure for W band traveling wave tube amplifier. The effect of mean-path ...

Abstract: The multichannel analysis of surface waves (MASWs) method has been broadly used to investigate subsurface structures. The inversion of a single dispersion curve (DC) from an individual ...

ABSTRACT: The equation of time is the difference between the apparent (sun observed) time and the modern day uniform time. This paper explains what causes the Equation of Time to arise. It is shown ...