Selected Papers, Books and Patents

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Selected Papers

ORCID 0000-0003-4430-8704

Beard, J.K., Characterization of Rotating and Spinning Bodies with Quaternions, Presented at the Philadelphia Section IEEE meeting, February 21, 2017. Link: slides (2.4 MB PDF file). Other files related to this presentation are on this web site here.

Beard, J.K., Planar Array Design and Performance, June 26, 2014. Presented at a meeting of the Philadelphia IEEE Signal Processing Chapter, co-sponsored by the Aerospace and Electronic Systems Chapter. Link: slides (20 MB ZIP file). This paper is the original release of a high performance Bayliss weighting with a three-parameter design, as opposed to the classical two-parameter Taylor and Bayliss weighting.

A binary to generate Taylor and Bayliss weightings, and the source code for a Fortran 2003 module that contains procedures to compute Taylor and Bayliss weightings for your program are both available for download here.

Jon C. Russo, Keith G. Erickson, and James K Beard, Costas array search technique that maximizes backtrack and symmetry exploitation, CISS 2010, March 17, 2010, Princeton University, Session WA-04, Paper 6; links: paperslidesaddendum slides.

Konstantinos Drakakis, Scott Rickard, James K Beard, Rodrigo Caballero, Francesco Iorio, Gareth O'Brien and John Walsh, Results of the enumeration of Costas arrays of order 27, IEEE Transactions on Information Theory, 54, 10 (October 2008). [The Drakakis group at University College, Dublin, Ireland, announces completion of an exhaustive search over order 27 in this paper. They made their announcement to the community by email on May 23, 2008 but did not notice the only new Costas array of that order in a log file dated March 9; the group of Beard, Russo, Erickson, Monteleone and Wright announced this new Costas array a few days after the Konstantinos group made their announcement; their log file indicates that this array appeared in their logs on April 7 in a processor node provided by Keith Erickson. The Beard team announced the discovery of this Costas array by email on May 29, 2008.]

Beard, J. K., Costas array generator polynomials in finite fields, CISS 2008, March 21 2008, Princeton University, Session TP 03, Paper 5; links: paper; slides, CISS even years at Princeton, CISS odd years at JHU. Database of Costas arrays from orders 2 to 200 on a CD-ROM given out at CISS 2006 was extended to order 400; see Files page.

Beard, J. K., Problems and Solutions in Efficient, Accurate Computation of the Airy Functions in the Complex Plane, Joint Mathematics Meetings, (MAA and AMS, click here for home page), meeting 1035 Session O1 Paper 1238, January 8, 2008. Click here for slides (no text paper).

Beard, J. K., Russo, J. C., Erickson, K., Monteleone, M., and Wright, M., Costas Array Generation and Search Methodology, IEEE Transactions on Aerospace and Electronic Systems, 43, 2 (April 2007), 522-538. Click here for PDF of scanned paper. Click here for pre-publication draft from original.

Beard, J. K., Generating Costas Arrays to Order 200, presented at Conference on Information Sciences and Systems (CISS) 2006, March 23, 2006. Click here for CD-ROM image with a database of 663,702 Costas arrays of orders 2 through 200. Database extraction utility update is here (old one here for historical purposes). Please email me to request a CD-ROM by mail. See Files page for extension of database to order 400 and updates to the data extraction utility.

Maritime Situational Awareness, tutorial given at IEEE/ISIF FUSION2005, July 2005, Philadelphia. Also a bonus topic, Interactive Multiple Models (IMM) in trackers. Links: Tutorial, IMM.

Beard, J. K., and Pilieh Chen, Bistatic GMTI Experiment for Airborne Platforms, IEEE International Radar Conference RADAR 2000, Alexandria, VA, May 8, 2000. Click here for paper.

Beard, J. K., Configuration Trades for a Space Object Surveillance Fence, 18th Space Control Conference, MIT/LL, April 12, 2000. Links: Abstract, Slides.

Beard, J. K., Designing FIR filters in a New Vector Space, 1988 IEEE ICASSP, Transactions pp 1459 -1462. Click here for paper.

Beard, J. K., An Efficient, Reliable Approach for Hydroacoustical Bearings Only Target Motion Analysis, Proceedings of the IEEE Conference on Decision and Control, 14 December 1984, PP 1251-1256. Click here for paper. Click here for the figures.

Beard, J. K., Optimization of Discrete Signal Processors using Array Processor and CCD Technology, IEEE ICASSP, April 1979.

Beard, J. K., On the Ambiguity Function of a Two Frequency Synthetic Aperture Sonar, ongoing work session of the IEEE ICASSP, April 21, 1978 (impromptu "Ongoing Work" session; not in Proceedings – ask Author for synopsis).

Beard, J. K. Broadband Quadrature Sampling, ARL TM 71 45 (AD 739343), 7 January 1972


“Digital Radio Frequency Tag,” Patent 6,870,501 awarded March 22, 2005, assigned to Raytheon Company.

Beard, J. K., An ECCM Subsystem for Pulse Doppler Radar (U), Northrop Grumman Baltimore Advanced Techniques Technical Memo ATTM 5, 1962 (Earned a patent award for subsystem concept).


The FFT in the 21st Century, Springer, October 2003, ISBN 1-4020-7675-4; ISBN-13 978-1402076756 (a June 2013 e-mail from Springer gives the ISBN-13 as 978-1-4419-5410-7). Click here for errata.

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