A novel approach of extracting a true target component from radar superposing echoes on the premise of that a repeater jammer is detected, when radar is suffered from range false targets jamming, is presented based on multicomponent polynomial phase signals (mc-PPS's) modeling. For linear frequency modulation (LFM) waveform, the differences of the echoes' polynomial phase coefficients between a true target and a false target are analyzed first. Parameter estimation of the true target by using product high-order ambiguity function (PHAF) is described. After the desired parameters be estimated, the true target signal can be reconstructed. Validity of the method is verified by simulation results.
Using polynomial phase signal modeling against range false targets
2007
5 Seiten, 11 Quellen
Aufsatz (Konferenz)
Englisch
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