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Ultrawideband adaptive transmitter for ultrawideband radar feasibility demonstration

An ultrawideband (UWB) adaptive transmitter has been developed with a view to the feasibility of a UWB radar design able to transmit a train of 200 picosec pulses; the generation of such a pulsetrain is via the transmission of all its frequency spectral components. A tradeoff study is conducted to ascertain the design parameters and the requisite transmitter components. A complete demonstration model of the UWB transmitter has been built and tested in an outdoor far-field range; its short-pulse waveform is in good agreement with calculated results.