Inversion range migration method for synthetic aperture radar large-scale scene deception jamming
A technology of synthetic aperture radar and inverse distance migration, which is applied in the direction of using re-radiation, radio wave reflection/re-radiation, and measurement devices, which can solve the problems of sacrificing the focusing effect of interference signals and the inability to focus on false targets in large scenes.
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[0050] The present invention will be further explained below in conjunction with the accompanying drawings. figure 1 The space situation map of the confrontation between the jammer and the radar is displayed on the radar two-dimensional slant range plane. The spatial geometric relationship in the figure is described by three rectangular coordinate systems, which are radar coordinate system, jammer coordinate system and deception template coordinate system. The radar coordinate system is described by the coordinate axis r-x, and its x-axis coincides with the radar track, the r-axis is perpendicular to the radar track, and the coordinate origin O rad Located closest to radar and jammer. The coordinate system of the jammer and the coordinate system of the deception template are obtained by translation of the radar coordinate system. They are respectively described by the coordinate axes p-q and u-v. Generally, the origins of their coordinates are respectively located at the posi...
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