2004 IEEE Radar Conference

Innovative Radar Technologies - Expanding System Capabilities

 
 
 April 26-29, 2004 Wyndham Philadelphia at Franklin Plaza Philadelphia, Pennsylvania
 
 
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Poster 1.7
Waveform Generation and Signal Processing for a Multifunction Radar System

Marvin A. Conn - Army Research Laboratory, Eric Adler - Army Research Laboratory, Geoffrey H Goldman - Army Research Laboratory, Francois Koenig - Army Research Laboratory

Tue, 27 April 2004, 9:30 AM - 10:20 AM


Abstract

A multifunction, single platform RF sensor capable of performing target acquisition and tracking, combat identification, high data rate communications, and active protection is of interest to the U.S. Army. The sensor ultimately must be affordable and the size minimized to meet the demands of a rapidly deployable force. To address these needs, the Army Research Laboratory has built and tested a multifunction radar test bed capable of performing multiple tasks simultaneously at Ka-band. The system has integrated high-end RF components together with commercial-off-the-shelf (COTS) signal processing technology. Key elements of the test bed are a commercial direct digital synthesizer (DDS) for adaptable waveform generation, multiple COTS field programmable gate array (FPGA) processors for real-time data acquisition and signal processing, a COTS FPGA based multi-port input/output (I/O) board programmed for radar timing and control, and an electronically scanned antenna (ESA) based upon a Rotman lens beam-former with active elements for multi-beam generation. The radar is capable of transmitting and receiving two simultaneous and independent beams in azimuth with up to 3-GHz of bandwidth and up to 8 watts of average power. The current configuration uses one beam for a radar target acquisition function and the other for a high data rate communication channel. The emphasis of this paper is on the radar?s waveform generation and signal processing capability.

Bios

Mr. Marvin A. Conn - Army Research Laboratory

Marvin Conn is a computer engineer employed with the Army Research Laboratory since 1989. He received his B.S. degree in Electrical Engineering at the University Of Pittsburgh, in 1987, and his M.S. degree, in Software Engineering, at Monmouth College, in 1989. His primary area of expertise in in the field of computer systems design and integration, primarily focused in the area of millimeter wave radar sensor systems, and radar digitial signal processing.

Mr. Eric Adler - Army Research Laboratory

Eric Adler is an Electronics Engineer in the Millimeter Wave Branch of the Army Research Laboratory, Adelphi, MD. He received his B.S. degree in Electrical Engineering at Rutgers University in 1985, and his M.S. degree, also in Electrical Engineering, at The Johns Hopkins University in 1990. Since joining ARL (formerly Harry Diamond Laboratories) in 1985, his work has involved the design, simulation, and integration of various microwave and millimeter wave (mmW) Army prototype systems on radar, communications, electronic support measures (ESM), and communication intercept (COMINT) programs. Mr. Adler currently executes the ARL Multifunction RF initiative, which is addressing technologies for electronic scanning antennas (ESAs), direct digital synthesizers, wideband transceivers, and programmable processors. His current technical areas of interest include the various developing mmW ESA technologies that include Rotman lens beamformers, ferroelectric delay lines, and MEMS phase shifters. He is a Senior Member of the IEEE and currently President of the Washington/Northern Virginia chapter of IEEE-MTTs.

Mr. Geoffrey H Goldman - Army Research Laboratory

Geoffrey H. Goldman was born in Washington D.C. on September 9, 1963. He received the B.S. degree in physics from the University of Maryland, College Park, in 1985 and the M.S. degree in biomedical engineering from University of North Carolina, Chapel Hill, in 1988. Since 1988, he has worked as an engineer for the U.S. Army Research Laboratory at Adelphi, Maryland. He has over 20 publications in the fields of radar tracking, imaging, and modeling clutter and targets at millimeter-wave frequencies.

Mr. Francois Koenig - Army Research Laboratory

Mr. Koenig received his Bachelor of Science in Electrical Engineering from The Catholic University of America, Washington, D. C in 1976. He received his Master of Science in Electronic Engineering from The Ohio State University, Columbus, Ohio in 1978. Mr. Koenig is currently an Electronics Engineer at the US Army Research Laboratory in Adelphi, MD.

 
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