A two dimension distributed MVI-CFAR detector

摘要

MVI-CFAR detector has a strong adaptive characteristic in both homogeneous and inhomogeneous distributed background, which tackles the problem of degraded VI-CFAR detection performance when interference targets appear in both leading and lagging sliding windows. This paper focuses on target detection using ultra-band radar and presents a two dimensional distributed MVI-CFAR detector by exploiting target environment information contained in Range-Doppler matrix and combining detection advantages of MVI-CFAR as well. By conducting MVI-CFAR detection of the same target detection unit in both Range dimension and Doppler dimension and then fusion decision of two dimensional detection result under the guidance of the principle of distribution, target detection under the condition of complex clutter background/multi-target is realized. By Monte Carlo simulation, this paper analyzes the detection performance of this algorithm in both homogeneous and inhomogeneous background and verifies the effectiveness of it.