COLD array arrival direction and polarization parameter joint estimation method based on resampling
A direction of arrival and joint estimation technology, applied in the field of radar array signal processing, can solve problems such as the degradation of DOA estimation performance, and achieve the effect of reducing the order of the root polynomial, improving the estimation performance, and avoiding spectral peak search.
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] The embodiment of the present invention provides a method for joint estimation of DOA and polarization parameters of COLD array based on resampling, refer to figure 1 , the method includes the steps of:
[0025] Step 1, establish a three-dimensional spatial coordinate system OXYZ, place M uniformly distributed COLD array elements on the X axis, and the M uniformly distributed COLD array elements form a COLD array, such as figure 2 Shown; Obtain the ra...
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