MIMO-SAR Waveform Design Using Modified Costas Pulses
Konferenz: EUSAR 2016 - 11th European Conference on Synthetic Aperture Radar
06.06.2016 - 09.06.2016 in Hamburg, Germany
Tagungsband: EUSAR 2016
Seiten: 4Sprache: EnglischTyp: PDFPersönliche VDE-Mitglieder erhalten auf diesen Artikel 10% Rabatt
Khosravi, Mahdi; Bastani, Mohammad Hassan; Nayebi, Mohammad Mahdi (Sharif University of Technology, Iran)
In this paper, the problem of designing waveform for MIMO-SAR systems is investigated. The family of modified Costas pulses (MCP) are used because of their advantages. However, a MIMO-SAR system will not be beneficial unless the waveforms transmitted through different antennas are orthogonal, even under different delay/Doppler shifts. An iterative algorithm is proposed that finds a set of MCPs and guarantees that the maximum cross-correlation (under different Doppler/delay shifts) among different waveforms is below a threshold. Simulation results show that the proposed waveform design outperforms the conventional one in terms of orthogonality, resolution, and signal-tointerference-plus-noise ratio (SINR).