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Time-frequency analysis of HPM sources. REPORT DOCUMENTATION PAGEPublic reporting burden for this colltction of information is estimated lo average 1 hour per response, gathering and maintaining the dan needed, and completing and reviewing the collection of information, collection of information, including suggestions for reducing this burden, The overall emphasis of the proposed research was to increase the device efficiencies and to reduce their weight and volume. Efforts to increase the radio frequency, vacuum electric field strength of cavities and windows hold promise for higher energy density devices. Novel cathodes may lead to longer pulse devices resulting in higher energy sources. An important aspect of the program is to research various control strategies relevant to pulsed high power microwave sources. A list of journal and conference papers is attached showing progress on investigations during this contract period. SUBJECT TERMS

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