Tables of joint probabilities useful in evaluating mixed acceptance sampling plans

Tables of joint probabilities useful in evaluating mixed acceptance sampling plan

An A2_2 Bailey lemma and Rogers--Ramanujan-type identities

Using new $q$-functions recently introduced by Hatayama et al. and by (two of) the authors, we obtain an A_2 version of the classical Bailey lemma. We apply our result, which is distinct from the A_2 Bailey lemma of Milne and Lilly, to derive Rogers-Ramanujan-type identities for characters of the W_3 algebra.Comment: AMS-LaTeX, 25 page

Coaxial prime focus feeds for paraboloidal reflectors

A TE11 - TM11 dual mode coaxial feed for use in prime focus paraboloidal antenna systems is investigated. The scattering matrix parameters of the internal bifurcation junction was determined by the residue calculus technique. The scattering parameters and radiation fields of the aperture were found from the Weinstein solution. The optimum modeing ratio for minimum cross-polarization was determined along with the corresponding optimum feed dimensions. A peak cross-polarization level of -58 dB is predicted. The frequency characteristics were also investigated and a bandwidth of 5% is predicted over which the cross-polarization remains below -30 dB, the input VSWR is below 1.15, and the phase error is less than 10 deg. Theoretical radiation patterns and efficiency curves for a paraboloidal reflector illuminated by this feed were computed. The predicted sidelobe level is below -30 dB and aperture efficiencies greater than 70% are possible. Experimental results are also presented that substantiates the theoretical results. In addition, experimental results for a 'short-cup' coaxial feed are given. The report includes extensive design data for the dual-mode feed along with performance curves showing cross-polarization as a function of feed parameters. The feed is useful for low-cost ground based receiving antennas for use in direct television satellite broadcasting service

Der zweite Tod des Autors?:Metamorphosen der Postmoderne in Christoph Ransmars "Die letzte Welt"

In seinem Beitrag zu Christoph Ransmayrs ‚Die letzte Welt setzt sich Erik Schilling mit den Möglichkeiten des historischen Romans für das postmoderne Schreiben auseinander. Anhand von Michel Foucaults Konzept der Heterotopie geht der Autor dem Übergang des Zentrums in die Peripherie nach und stellt durch Untersuchung von Raum und Zeit die selbstreflexiven Strukturen des Romans heraus

Analysis of an F.M. Discriminator with Fading Signal plus Additive Gaussian Noise

Fading signal plus additive Gaussian noise applied to frequency modulation discriminator for determining fading effects on threshol