Simutaneous radar imaging and velocity measuring with step frequency waveforms-中国期刊网

摘要 Theprincipleandmethodofbothradartargetimagingandvelocitymeasurementsimultaneouslybasedonstepfrequencywaveformsispresented.VelocitycompensationisnecessaryinordertoobtainthegoodHighresolutionrangeprofilesincethiswaveformisgreatlysensitivetotheDopplershift.Thevelocitymeasurementperformanceofthefourstylesisanalyzedwithtwopulsetrainsconsistedofpositiveandnegativestepfrequencywaveforms.Thevelocityoftargetscanbeestimatedfirstcoarselybyusingthepulsetrainswithpositive-positivestepfrequencycombination,andthenfinebypositive-negativecombination.Simulationresultsindicatethatthemethodcanaccomplishtheaccurateestimationofthevelocitywithefficientcomputationandgoodanti-noiseperformanceandobtainthegoodHRRPsimultaneously.

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Simutaneous radar imaging and velocity measuring with step frequency waveforms

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Simutaneous radar imaging and velocity measuring with step frequency waveforms

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