Target spatial and frequency scattering diversity property for diversity MIMO radar

Authors:
Shenghua Zhou;Hongwei Liu;Yongbo Zhao;Liangbing Hu
Affiliations:
National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China;National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China;National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China;National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China
Venue:
Signal Processing
Year:
2011

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Abstract

Statistical multiple-input multiple-output (MIMO) radar, e.g., frequency diversity MIMO radar (FDMR) and spatial diversity MIMO radar (SDMR), can exploit signal diversity to improve target detection performance. The statistical property of target echo signals received in diversity channels is an important concern in designing signal processing algorithms for an FDMR and an SDMR, which is studied in this paper by using a round shaped scatterers centre target model. A uniform formula is derived to estimate the correlation coefficients of target echo signals in diversity channels for both an FDMR and an SDMR. The theoretical correlation coefficients are testified by numerical experiments.