Radar clutter time space adaptive pre-filtering method based on sparse recovery
A space-time self-adaptive and sparse recovery technology, applied to radio wave measurement systems, instruments, etc., can solve the problems of increased processing equipment, errors, and large amount of clutter information, so as to reduce storage capacity, facilitate and fast search, and improve efficiency The effect of sex and usability
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[0026] refer to figure 1 , is a schematic flow chart of a radar clutter space-time adaptive pre-filtering method based on sparse recovery in the present invention, and the sparse recovery-based radar clutter space-time adaptive pre-filtering method includes the following steps:
[0027] Step 1, establishing the airborne phased array radar clutter model, in the airborne phased array radar clutter model, the airborne phased array radar antenna is a 1×N-dimensional equivalent linear array, and the airborne phased array radar The controlled array radar transmits K pulses in a coherent processing interval and receives the clutter in the detection area, and then divides the clutter received by the airborne phased array radar into N l distance rings, each containing N c Scattering units, and then arrange the clutter received when the airborne phased array radar transmits K pulses in a coherent processing interval into a column vector form, and then calculate the NK×1 dimensional clu...
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