Adaptive waveform design based on Morlet wavelet for ultra-wideband MIMO radar-中国期刊网

摘要 Fortheissueofdeteriorationindetectionperformancecausedbydynamicallychangingenvironmentinultra-wideband(UWB)multipleinputmultipleoutput(MIMO)radar,thispaperproposesanoveladaptivewaveformdesignwhichisaimedtoimprovetheabilityofdiscriminatingtargetandclutterfromtheradarscene.Firstly,asequenceofMorletwaveletpulseswithfrequencyhoppingandpulsepositionmodulationbyWelch-Costasarrayisdesigned.Thenawaveformoptimizationsolutionisproposedwhichisachievedbyapplyingtheminimizationmutual-information(MI)strategy.Afterthat,withsubsequentiterationsofthealgorithm,simulationresultsdemonstratethattheoptimalwaveformdesignmethodbringsanimprovementinthetargetdetectionabilityinthepresenceofnoiseandclutter.

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Adaptive waveform design based on Morlet wavelet for ultra-wideband MIMO radar

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Adaptive waveform design based on Morlet wavelet for ultra-wideband MIMO radar

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