An ECCM Scheme for Orthogonal Independent Range-Focusing of Real and False Targets

This article develops a radar signaling scheme providing full immunity against a repeat jammer. Resistance against the jammer is achieved by employing the concept of pulse diversity where the radar continuously emits either modified version of previous waveforms or new pulses following a specific orthogonal structure. This structure enables the radar to successfully separate the signals being reflected off the real targets and the false reflectors being emulated by the jammer, resulting in full independent range-focusing. The method permits combination of various types of pulses and also offers waveform diversity.