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This thesis presents a comparison of the effectiveness of 'smart noise' jamming waveforms against advanced threat radars, which are generated using either Direct Digital Synthesis (DDS) or Digital RF Memory (DRFM) based support jamming. The challenge lies in the fact the modern radar employs advanced waveforms, ultralow sidelobe antennas, coherent sidelobe cancelers, and sidelobe blankers to inhibit signals entering through its sidelobes. This thesis compares the effectiveness of using DDS versus DRFM techniques to meet this challenge. In particular, the effect of mismatched frequency on the DDS jamming waveform is described, as is the effect of quantization and multi-signal storage in the DRFM. A quantitative comparison of these jamming techniques against the AN/TPS-70 surveillance radar is made.
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A comparison of DDS and DRFM techniques in the generation of "smart noise" jamming waveforms
1996, Naval Postgraduate School, Available from National Technical Information Service
in English
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Edition Notes
Thesis advisor(s): Phillip E. Pace, D. Curtis Schleher.
"September 1996."
Thesis (M.S. in Systems Engineering) Naval Postgraduate School, September 1996.
Includes bibliographical references (p. 135-136)
Approved for public release; distribution unlimited.
Also available online.
Mode of access: World Wide Web.
System requirements: Adobe Acrobat Reader.
US Army (USA) author.
dk/dk cc:9116 5/15/97
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