Novel waveform and processing techniques for monostatic and bistatic radar

In this paper, we study the resolution properties of linear FM pulses (chirps). Based on the ambiguity surface properties of chirp pulses, we propose a transmission strategy and a processing algorithm that has better delay-Doppler resolution than traditional matched filtering. It is shown that the improvement in resolution is accompanied by a small degradation in detection performance. We also discuss the general requirements on the signal set that will result in improved resolution properties when using the proposed form of processing. Our results also show that we can change resolution performance for detection performance under certain conditions. The contribution of our proposed scheme is a significant increase in delay-Doppler resolution without a significant increase in system or computational complexity or a significant degradation in detection performance. We also extend the results to a simple bistatic radar configuration and evaluate the performance for orthogonal and near-orthogonal transmitted signals under varying conditions.