ZHANG Zenghui, YU Wenxian. Local-DoFs of Airborne Radar Clutter for Reduced-Dimensional STAP with Sparse Antenna Array[J]. Chinese Journal of Electronics, 2015, 24(2): 426-433. doi: 10.1049/cje.2015.04.034
Citation: ZHANG Zenghui, YU Wenxian. Local-DoFs of Airborne Radar Clutter for Reduced-Dimensional STAP with Sparse Antenna Array[J]. Chinese Journal of Electronics, 2015, 24(2): 426-433. doi: 10.1049/cje.2015.04.034

Local-DoFs of Airborne Radar Clutter for Reduced-Dimensional STAP with Sparse Antenna Array

doi: 10.1049/cje.2015.04.034
Funds:  This work is supported by the National Natural Science Foundation of China (No.60901071, No.61102169).
  • Publish Date: 2015-04-10
  • Space-time adaptive processing (STAP) technique can mitigate airborne radar clutter and detect moving targets effectively. Based on adaptive radar theory, the Degrees-of-freedom (DoF) of a STAP processor should be larger than that of the received clutter. The local-DoFs of clutter for Reduced-dimensional STAP (RDSTAP) methods with sparse linear array are studied. The proposed formulas show that the local-DoFs of clutter can be estimated as the product of the equivalent clutter bandwidth with the equivalent sampling interval.
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