Abstract
The current research of the statistical resolution limit (SRL), which is based on the hypothesis test, usually takes Taylor expansion and approximation to get a linear model of general likelihood rate test (GLRT) and achieves an analytical expression of the SRL. In the way, one dimension (range, angle) and two dimensions (range-Doppler, angle-Doppler) SRLs have been explored. In this paper we dwell on the three-dimension (3D) SRL in range-angle-Doppler domain and discuss the factors which make effects on 3D SRL. Our theoretical and simulation results both demonstrate that the 3D SRL is the weighting square sum of three respective SRLs, which will throw some insights into the systemic design to improve the resolution ability.
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