A staggered waveform HF frequency modulated radar simulation

The use of three staggered waveforms with HF frequency modulated continuous waveform, (FMCW), radar is described in this paper. This technique is introduced to overcome the Doppler/range ambiguity problem usually associated with this type of radar. The waveforms are transmitted sequentially during a single target illumination time. The combination of the waveform repetition frequencies, (WRFs), are chosen to have a common multiple frequency greater than the expected target velocity to enable the resolution of the Doppler ambiguity. The simulated results show that this technique is useful in eliminating the effect of ambiguities caused by Doppler spread clutter or that caused by discrete signals of high Doppler targets.