July - September 1998, Volume 19, Number 3


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In Memoriam

    In Memoriam
   K. Moorjani


Basic Research

   Jim's Bright Idea (Reprinted from New Scientist [6 June 1998])
   R. Taylor


Applied Research

   Development and Use of Electromagnetic Parabolic Equation Propagation Models for U.S. Navy Applications
   G. D. Dockery

   Infrared Refractive Index and Thermo-optic Coefficient Measurement at APL
   W. J. Tropf and M. E. Thomas



   Aircraft Wake Detection Using Bistatic Radar: Analysis of Experimental Results
   R. J. Iannuzzelli, C. E. Schemm, F. J. Marcotte, L. P. Manzi, H. E. Gilreath, J. M. Hanson, Jr., D. A. Frostbutter, A. S. Hughes, A. D. Bric, D. L. Kershner, and L. E. McKenzie

   Exo-atmospheric Discrimination of Thrust Termination Debris and Missile Segments
   C. Resch

   Parametric Classification Techniques for Theater Ballistic Missile Defense
   G. L. Silberman


Test and Evaluation

   Differential Global Positioning System Navigation Using High-Frequency Ground Wave Transmissions
   J. R. Vetter and W. A. Sellers


Book Reviews

   Webspace Engineering
   B. Benokraitis

   Optical Signal Processing
   J. N. Lee



   Publications, Presentations, and Colloquia

Icon THE COVER: Modernization of facilities is essential for maintaining the vitality and vibrance of research and development organizations. The cover depicts an example of "work in progress" at The Johns Hopkins University Applied Physics Laboratory. (Cover illustration by Kenneth R. Moscati.)

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The Electronic Version of The Johns Hopkins APL Technical Digest was created by the Technical Publications Group (TSP).